Water quality violations
Historical data from the 2017 News21 investigation. Original values, terminology, empty fields and source notes are retained. These records describe the original reporting period.
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| State name | County | County name | Violations per water system | Id | Counties served | Fips code | Map identifier | Total violations | Arsenic | Treatment rules | Inorganic chemicals | Lead copper rule | Nitrates | Radionuclides | Disinfection byproducts rule | Synthetic organic chemicals | Coliforms | Volatile organic chemicals | Unregulated contaminants |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DC | District of Columbia | District of Columbia | 1.8 | 1 | District of Columbia | 1 | us-dc-001 | 9 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Alaska | Aleutians East Borough, Alaska | Aleutians East Borough, AK | 3.166666667 | 2 | Aleutians East Borough | 13 | us-ak-013 | 19 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Alaska | Aleutians West Census Area, Alaska | Aleutians West Census Area, AK | 3.8 | 3 | Aleutians West Census Area | 16 | us-ak-016 | 19 | 0 | 11 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | |
| Alaska | Anchorage Municipality, Alaska | Anchorage Borough/municipality, AK | 0.480519481 | 4 | Anchorage Municipality | 20 | us-ak-020 | 37 | 28 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Alaska | Bethel Census Area, Alaska | Bethel Census Area, AK | 4.666666667 | 5 | Bethel Census Area | 50 | us-ak-050 | 168 | 5 | 106 | 0 | 3 | 0 | 0 | 37 | 0 | 17 | 0 | |
| Alaska | Dillingham Census Area, Alaska | Dillingham Census Area, AK | 2.727272727 | 6 | Dillingham Census Area | 70 | us-ak-070 | 30 | 2 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Alaska | Fairbanks North Star Borough, Alaska | Fairbanks North Star Borough, AK | 1.703703704 | 7 | Fairbanks North Star Borough | 90 | us-ak-090 | 46 | 11 | 15 | 0 | 0 | 0 | 0 | 12 | 0 | 7 | 1 | 1,1-dichloroethane, chlorate, chromium, chromium-6, strontium, vanadium |
| Alaska | Haines Borough, Alaska | Haines Borough, AK | 2.5 | 8 | Haines Borough | 100 | us-ak-100 | 5 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Alaska | Juneau City and Borough, Alaska | Juneau Borough/city, AK | 0.333333333 | 9 | Juneau City and Borough | 110 | us-ak-110 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium-6, strontium, vanadium |
| Alaska | Kenai Peninsula Borough, Alaska | Kenai Peninsula Borough, AK | 3.2 | 10 | Kenai Peninsula Borough | 122 | us-ak-122 | 96 | 20 | 65 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 3 | chlorate, chromium, chromium-6, manganese, strontium |
| Alaska | Ketchikan Gateway Borough, Alaska | Ketchikan Gateway Borough, AK | 28.23076923 | 11 | Ketchikan Gateway Borough | 130 | us-ak-130 | 367 | 0 | 101 | 0 | 0 | 0 | 0 | 259 | 0 | 7 | 0 | |
| Alaska | Kodiak Island Borough, Alaska | Kodiak Island Borough, AK | 4 | 12 | Kodiak Island Borough | 150 | us-ak-150 | 36 | 0 | 33 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Alaska | Lake and Peninsula Borough, Alaska | Lake and Peninsula Borough, AK | 12 | 13 | Lake and Peninsula Borough | 164 | us-ak-164 | 108 | 3 | 101 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Alaska | Matanuska-Susitna Borough, Alaska | Matanuska-Susitna Borough, AK | 1.878787879 | 14 | Matanuska-Susitna Borough | 170 | us-ak-170 | 124 | 55 | 52 | 0 | 0 | 0 | 0 | 5 | 0 | 12 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Alaska | Nome Census Area, Alaska | Nome Census Area, AK | 18.44444444 | 15 | Nome Census Area | 180 | us-ak-180 | 332 | 26 | 103 | 0 | 0 | 10 | 14 | 178 | 0 | 1 | 0 | |
| Alaska | North Slope Borough, Alaska | North Slope Borough, AK | 0.888888889 | 16 | North Slope Borough | 185 | us-ak-185 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| Alaska | Northwest Arctic Borough, Alaska | Northwest Arctic Borough, AK | 26.27272727 | 17 | Northwest Arctic Borough | 188 | us-ak-188 | 289 | 0 | 124 | 0 | 0 | 0 | 0 | 159 | 0 | 3 | 3 | |
| Alaska | Sitka City and Borough, Alaska | Sitka Borough/city, AK | 11.5 | 18 | Sitka City and Borough | 220 | us-ak-220 | 23 | 0 | 7 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | |
| Alaska | Skagway Municipality, Alaska | Skagway Municipality, AK | 10.375 | 19 | Skagway Municipality | 230 | us-ak-230 | 83 | 0 | 33 | 0 | 0 | 0 | 0 | 43 | 0 | 7 | 0 | |
| Alaska | Southeast Fairbanks Census Area, Alaska | Southeast Fairbanks Census Area, AK | 3.142857143 | 20 | Southeast Fairbanks Census Area | 240 | us-ak-240 | 22 | 0 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | |
| Alaska | Valdez-Cordova Census Area, Alaska | Valdez-Cordova Census Area, AK | 5.052631579 | 21 | Valdez-Cordova Census Area | 261 | us-ak-261 | 96 | 0 | 38 | 0 | 0 | 0 | 0 | 53 | 0 | 5 | 0 | |
| Alaska | Wrangell City and Borough, Alaska | Wrangell Borough/city, AK | 8 | 22 | Wrangell City and Borough | 275 | us-ak-275 | 48 | 0 | 8 | 0 | 0 | 0 | 0 | 40 | 0 | 0 | 0 | |
| Alaska | Yakutat City and Borough, Alaska | Yakutat Borough/city, AK | 8 | 23 | Yakutat City and Borough | 282 | us-ak-282 | 8 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Alaska | Yukon-Koyukuk Census Area, Alaska | Yukon-Koyukuk Census Area, AK | 7.75862069 | 24 | Yukon-Koyukuk Census Area | 290 | us-ak-290 | 225 | 0 | 125 | 0 | 2 | 0 | 0 | 87 | 0 | 11 | 0 | |
| Alabama | Autauga, Alabama | Autauga County, Alabama | 0.166666667 | 25 | Autauga | 1 | us-al-001 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, Halon 1011, manganese, molybdenum, PFHpA, strontium, vanadium |
| Alabama | Baldwin, Alabama | Baldwin County, Alabama | 0.4375 | 26 | Baldwin | 3 | us-al-003 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| Alabama | Barbour, Alabama | Barbour County, Alabama | 0.555555556 | 27 | Barbour | 5 | us-al-005 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Alabama | Blount, Alabama | Blount County, Alabama | 0.181818182 | 28 | Blount | 9 | us-al-009 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Alabama | Bullock, Alabama | Bullock County, Alabama | 1 | 29 | Bullock | 11 | us-al-011 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Alabama | Butler, Alabama | Butler County, Alabama | 1.5 | 30 | Butler | 13 | us-al-013 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0 | chromium-6, strontium |
| Alabama | Chambers, Alabama | Chambers County, Alabama | 0.4 | 31 | Chambers | 17 | us-al-017 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Alabama | Choctaw, Alabama | Choctaw County, Alabama | 0.6 | 32 | Choctaw | 23 | us-al-023 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Alabama | Clarke, Alabama | Clarke County, Alabama | 2.7 | 33 | Clarke | 25 | us-al-025 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 1 | 0 | |
| Alabama | Clay, Alabama | Clay County, Alabama | 2.8 | 34 | Clay | 27 | us-al-027 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 4-androstene-3,17-dione |
| Alabama | Cleburne, Alabama | Cleburne County, Alabama | 2.75 | 35 | Cleburne | 29 | us-al-029 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Alabama | Coffee, Alabama | Coffee County, Alabama | 0.5 | 36 | Coffee | 31 | us-al-031 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium |
| Alabama | Colbert, Alabama | Colbert County, Alabama | 0.9 | 37 | Colbert | 33 | us-al-033 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, PFOA, PFOS, strontium, vanadium |
| Alabama | Coosa, Alabama | Coosa County, Alabama | 0.142857143 | 38 | Coosa | 37 | us-al-037 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Alabama | Covington, Alabama | Covington County, Alabama | 0.3 | 39 | Covington | 39 | us-al-039 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Alabama | Crenshaw, Alabama | Crenshaw County, Alabama | 0.142857143 | 40 | Crenshaw | 41 | us-al-041 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Alabama | Cullman, Alabama | Cullman County, Alabama | 0.2 | 41 | Cullman | 43 | us-al-043 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFHpA, PFOA, PFOS, strontium, vanadium |
| Alabama | Dallas, Alabama | Dallas County, Alabama | 0.166666667 | 42 | Dallas | 47 | us-al-047 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,1-dichloroethane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Alabama | DeKalb, Alabama | DeKalb County, Alabama | 0.166666667 | 43 | DeKalb | 49 | us-al-049 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, molybdenum, PFBS, PFHpA, PFOA, PFOS, strontium, vanadium |
| Alabama | Elmore, Alabama | Elmore County, Alabama | 0.3 | 44 | Elmore | 51 | us-al-051 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, strontium, vanadium |
| Alabama | Escambia, Alabama | Escambia County, Alabama | 0.4 | 45 | Escambia | 53 | us-al-053 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, cobalt, strontium, vanadium |
| Alabama | Etowah, Alabama | Etowah County, Alabama | 0.941176471 | 46 | Etowah | 55 | us-al-055 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFBS, PFHpA, PFOA, PFOS, strontium, vanadium |
| Alabama | Franklin, Alabama | Franklin County, Alabama | 0.25 | 47 | Franklin | 59 | us-al-059 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Alabama | Greene, Alabama | Greene County, Alabama | 1 | 48 | Greene | 63 | us-al-063 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Alabama | Hale, Alabama | Hale County, Alabama | 0.25 | 49 | Hale | 65 | us-al-065 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Alabama | Henry, Alabama | Henry County, Alabama | 0.4 | 50 | Henry | 67 | us-al-067 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | chromium-6, manganese, strontium |
| Alabama | Jackson, Alabama | Jackson County, Alabama | 0.5 | 51 | Jackson | 71 | us-al-071 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Alabama | Jefferson, Alabama | Jefferson County, Alabama | 0.363636364 | 52 | Jefferson | 73 | us-al-073 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Alabama | Lamar, Alabama | Lamar County, Alabama | 0.666666667 | 53 | Lamar | 75 | us-al-075 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium-6, manganese, strontium |
| Alabama | Lauderdale, Alabama | Lauderdale County, Alabama | 0.375 | 54 | Lauderdale | 77 | us-al-077 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, PFOA, PFOS, strontium, vanadium |
| Alabama | Lawrence, Alabama | Lawrence County, Alabama | 0.333333333 | 55 | Lawrence | 79 | us-al-079 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFHpA, PFOA, PFOS, strontium, vanadium |
| Alabama | Lee, Alabama | Lee County, Alabama | 1.166666667 | 56 | Lee | 81 | us-al-081 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Alabama | Limestone, Alabama | Limestone County, Alabama | 1.4 | 57 | Limestone | 83 | us-al-083 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | chromium, chromium-6, strontium, vanadium |
| Alabama | Lowndes, Alabama | Lowndes County, Alabama | 0.333333333 | 58 | Lowndes | 85 | us-al-085 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Alabama | Macon, Alabama | Macon County, Alabama | 0.8 | 59 | Macon | 87 | us-al-087 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | chromium-6, strontium |
| Alabama | Madison, Alabama | Madison County, Alabama | 1.555555556 | 60 | Madison | 89 | us-al-089 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Alabama | Marengo, Alabama | Marengo County, Alabama | 1 | 61 | Marengo | 91 | us-al-091 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | chromium-6, strontium |
| Alabama | Marion, Alabama | Marion County, Alabama | 0.888888889 | 62 | Marion | 93 | us-al-093 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| Alabama | Marshall, Alabama | Marshall County, Alabama | 0.222222222 | 63 | Marshall | 95 | us-al-095 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, PFOA, strontium, vanadium |
| Alabama | Mobile, Alabama | Mobile County, Alabama | 0.4 | 64 | Mobile | 97 | us-al-097 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Alabama | Monroe, Alabama | Monroe County, Alabama | 0.571428571 | 65 | Monroe | 99 | us-al-099 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | |
| Alabama | Montgomery, Alabama | Montgomery County, Alabama | 0.125 | 66 | Montgomery | 101 | us-al-101 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Alabama | Morgan, Alabama | Morgan County, Alabama | 0.666666667 | 67 | Morgan | 103 | us-al-103 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFHpA, PFOA, PFOS, strontium, vanadium |
| Alabama | Perry, Alabama | Perry County, Alabama | 1 | 68 | Perry | 105 | us-al-105 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Alabama | Pickens, Alabama | Pickens County, Alabama | 0.6 | 69 | Pickens | 107 | us-al-107 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| Alabama | Pike, Alabama | Pike County, Alabama | 0.4 | 70 | Pike | 109 | us-al-109 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chloromethane, chromium-6, manganese, molybdenum, strontium |
| Alabama | Randolph, Alabama | Randolph County, Alabama | 2.2 | 71 | Randolph | 111 | us-al-111 | 11 | 0 | 0 | 0 | 2 | 0 | 0 | 6 | 0 | 3 | 0 | |
| Alabama | Russell, Alabama | Russell County, Alabama | 0.75 | 72 | Russell | 113 | us-al-113 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Alabama | Shelby, Alabama | St. Clair County, Alabama | 0.25 | 73 | Shelby | 115 | us-al-115 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, strontium, vanadium |
| Alabama | St. Clair, Alabama | Shelby County, Alabama | 0.375 | 74 | St. Clair | 117 | us-al-117 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, n-propylbenzene, strontium, vanadium |
| Alabama | Sumter, Alabama | Sumter County, Alabama | 1 | 75 | Sumter | 119 | us-al-119 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium |
| Alabama | Talladega, Alabama | Talladega County, Alabama | 0.25 | 76 | Talladega | 121 | us-al-121 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Alabama | Tallapoosa, Alabama | Tallapoosa County, Alabama | 1.333333333 | 77 | Tallapoosa | 125 | us-al-125 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 5 | 0 | chlorate, chromium-6, strontium, vanadium |
| Alabama | Walker, Alabama | Walker County, Alabama | 1.8 | 78 | Walker | 127 | us-al-127 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 1 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Alabama | Washington, Alabama | Washington County, Alabama | 0.583333333 | 79 | Washington | 129 | us-al-129 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 6 | 0 | |
| Alabama | Wilcox, Alabama | Wilcox County, Alabama | 5 | 80 | Wilcox | 131 | us-al-131 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 1 | 0 | |
| Alabama | Winston, Alabama | Winston County, Alabama | 0.6 | 81 | Winston | 133 | us-al-133 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | chlorate, chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Arkansas | Arkansas, Arkansas | Arkansas County, Arkansas | 1.777777778 | 82 | Arkansas | 1 | us-ar-001 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | chlorate, strontium, vanadium |
| Arkansas | Ashley, Arkansas | Ashley County, Arkansas | 5.636363636 | 83 | Ashley | 3 | us-ar-003 | 62 | 0 | 0 | 0 | 2 | 0 | 0 | 24 | 0 | 36 | 0 | |
| Arkansas | Baxter, Arkansas | Baxter County, Arkansas | 2.176470588 | 84 | Baxter | 5 | us-ar-005 | 37 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Arkansas | Benton, Arkansas | Benton County, Arkansas | 1.826086957 | 86 | Benton | 7 | us-ar-007 | 42 | 0 | 1 | 0 | 0 | 0 | 0 | 22 | 0 | 19 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Arkansas | Boone, Arkansas | Boone County, Arkansas | 1.375 | 89 | Boone | 9 | us-ar-009 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | chromium-6, strontium, vanadium |
| Arkansas | Bradley, Arkansas | Bradley County, Arkansas | 2.714285714 | 93 | Bradley | 11 | us-ar-011 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 14 | 0 | 4 | 0 | manganese, strontium |
| Arkansas | Calhoun, Arkansas | Calhoun County, Arkansas | 0.5 | 94 | Calhoun | 13 | us-ar-013 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Arkansas | Carroll, Arkansas | Carroll County, Arkansas | 1 | 95 | Carroll | 15 | us-ar-015 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Arkansas | Chicot, Arkansas | Chicot County, Arkansas | 5.5 | 96 | Chicot | 17 | us-ar-017 | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 12 | 0 | |
| Arkansas | Clark, Arkansas | Clark County, Arkansas | 2 | 97 | Clark | 19 | us-ar-019 | 20 | 0 | 3 | 0 | 1 | 0 | 0 | 13 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Arkansas | Clay, Arkansas | Clay County, Arkansas | 2.909090909 | 98 | Clay | 21 | us-ar-021 | 32 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 22 | 0 | manganese, molybdenum, strontium |
| Arkansas | Cleburne, Arkansas | Cleburne County, Arkansas | 0.5 | 99 | Cleburne | 23 | us-ar-023 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| Arkansas | Cleveland, Arkansas | Cleveland County, Arkansas | 0.333333333 | 101 | Cleveland | 25 | us-ar-025 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | manganese, strontium |
| Arkansas | Columbia, Arkansas | Columbia County, Arkansas | 3.615384615 | 102 | Columbia | 27 | us-ar-027 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 26 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Arkansas | Conway, Arkansas | Conway County, Arkansas | 1 | 103 | Conway | 29 | us-ar-029 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium-6, strontium, vanadium |
| Arkansas | Craighead, Arkansas | Craighead County, Arkansas | 0.125 | 105 | Craighead | 31 | us-ar-031 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Arkansas | Crawford, Arkansas | Crawford County, Arkansas | 2.923076923 | 108 | Crawford | 33 | us-ar-033 | 38 | 0 | 5 | 0 | 0 | 0 | 0 | 21 | 0 | 12 | 0 | chromium-6, strontium, vanadium |
| Arkansas | Crittenden, Arkansas | Crittenden County, Arkansas | 1.461538462 | 109 | Crittenden | 35 | us-ar-035 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 18 | 0 | chlorate, chromium-6, strontium |
| Arkansas | Cross, Arkansas | Cross County, Arkansas | 2 | 110 | Cross | 37 | us-ar-037 | 10 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Arkansas | Dallas, Arkansas | Dallas County, Arkansas | 2.6 | 111 | Dallas | 39 | us-ar-039 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | |
| Arkansas | Desha, Arkansas | Desha County, Arkansas | 3.3 | 112 | Desha | 41 | us-ar-041 | 33 | 0 | 5 | 0 | 0 | 0 | 0 | 20 | 0 | 8 | 0 | |
| Arkansas | Drew, Arkansas | Drew County, Arkansas | 1.454545455 | 113 | Drew | 43 | us-ar-043 | 16 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 13 | 0 | chromium, strontium |
| Arkansas | Faulkner, Arkansas | Faulkner County, Arkansas | 8.714285714 | 114 | Faulkner | 45 | us-ar-045 | 61 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Arkansas | Franklin, Arkansas | Franklin County, Arkansas | 3.666666667 | 116 | Franklin | 47 | us-ar-047 | 33 | 0 | 0 | 0 | 1 | 0 | 0 | 23 | 0 | 9 | 0 | |
| Arkansas | Fulton, Arkansas | Fulton County, Arkansas | 5.6 | 117 | Fulton | 49 | us-ar-049 | 28 | 0 | 13 | 0 | 0 | 0 | 0 | 5 | 0 | 10 | 0 | |
| Arkansas | Garland, Arkansas | Garland County, Arkansas | 3 | 118 | Garland | 51 | us-ar-051 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 5 | 0 | chromium, chromium-6, strontium, vanadium |
| Arkansas | Grant, Arkansas | Grant County, Arkansas | 0.166666667 | 119 | Grant | 53 | us-ar-053 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Arkansas | Greene, Arkansas | Greene County, Arkansas | 0.5 | 121 | Greene | 55 | us-ar-055 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium-6, strontium, vanadium |
| Arkansas | Hempstead, Arkansas | Hempstead County, Arkansas | 3 | 122 | Hempstead | 57 | us-ar-057 | 27 | 0 | 0 | 0 | 1 | 0 | 0 | 25 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Arkansas | Hot Spring, Arkansas | Hot Spring County, Arkansas | 2.5 | 124 | Hot Spring | 59 | us-ar-059 | 15 | 0 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 5 | 0 | |
| Arkansas | Howard, Arkansas | Howard County, Arkansas | 7.142857143 | 125 | Howard | 61 | us-ar-061 | 50 | 0 | 1 | 0 | 3 | 0 | 0 | 34 | 0 | 12 | 0 | |
| Arkansas | Independence, Arkansas | Independence County, Arkansas | 0.9 | 126 | Independence | 63 | us-ar-063 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 7 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Arkansas | Izard, Arkansas | Izard County, Arkansas | 1.444444444 | 128 | Izard | 65 | us-ar-065 | 13 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 10 | 0 | |
| Arkansas | Jackson, Arkansas | Jackson County, Arkansas | 0.111111111 | 129 | Jackson | 67 | us-ar-067 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Arkansas | Jefferson, Arkansas | Jefferson County, Arkansas | 1.916666667 | 131 | Jefferson | 69 | us-ar-069 | 23 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 17 | 0 | chlorate, strontium |
| Arkansas | Johnson, Arkansas | Johnson County, Arkansas | 0.444444444 | 132 | Johnson | 71 | us-ar-071 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Arkansas | Lafayette, Arkansas | Lafayette County, Arkansas | 0.666666667 | 133 | Lafayette | 73 | us-ar-073 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | |
| Arkansas | Lawrence, Arkansas | Lawrence County, Arkansas | 1.6 | 134 | Lawrence | 75 | us-ar-075 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 14 | 0 | |
| Arkansas | Lee, Arkansas | Lee County, Arkansas | 5.5 | 135 | Lee | 77 | us-ar-077 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 7 | 0 | |
| Arkansas | Lincoln, Arkansas | Lincoln County, Arkansas | 4 | 136 | Lincoln | 79 | us-ar-079 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | |
| Arkansas | Little River, Arkansas | Little River County, Arkansas | 3.125 | 137 | Little River | 81 | us-ar-081 | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 17 | 0 | 7 | 0 | |
| Arkansas | Logan, Arkansas | Logan County, Arkansas | 5.375 | 138 | Logan | 83 | us-ar-083 | 86 | 0 | 3 | 0 | 0 | 0 | 0 | 70 | 0 | 13 | 0 | 4-androstene-3,17-dione |
| Arkansas | Lonoke, Arkansas | Lonoke County, Arkansas | 0.8 | 139 | Lonoke | 85 | us-ar-085 | 8 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 2 | 0 | |
| Arkansas | Marion, Arkansas | Marion County, Arkansas | 1.428571429 | 143 | Marion | 89 | us-ar-089 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Arkansas | Miller, Arkansas | Miller County, Arkansas | 5.333333333 | 144 | Miller | 91 | us-ar-091 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Arkansas | Mississippi, Arkansas | Mississippi County, Arkansas | 1.227272727 | 145 | Mississippi | 93 | us-ar-093 | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 25 | 0 | chromium-6, strontium |
| Arkansas | Monroe, Arkansas | Monroe County, Arkansas | 3.333333333 | 146 | Monroe | 95 | us-ar-095 | 20 | 0 | 0 | 0 | 2 | 0 | 0 | 9 | 0 | 9 | 0 | |
| Arkansas | Montgomery, Arkansas | Montgomery County, Arkansas | 26.25 | 147 | Montgomery | 97 | us-ar-097 | 105 | 0 | 35 | 0 | 0 | 0 | 0 | 64 | 0 | 6 | 0 | |
| Arkansas | Nevada, Arkansas | Nevada County, Arkansas | 3 | 148 | Nevada | 99 | us-ar-099 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 2 | 0 | |
| Arkansas | Newton, Arkansas | Newton County, Arkansas | 5.555555556 | 149 | Newton | 101 | us-ar-101 | 50 | 0 | 5 | 9 | 1 | 0 | 24 | 0 | 0 | 11 | 0 | |
| Arkansas | Ouachita, Arkansas | Ouachita County, Arkansas | 5.9 | 151 | Ouachita | 103 | us-ar-103 | 59 | 0 | 0 | 0 | 1 | 0 | 0 | 51 | 0 | 7 | 0 | chromium, chromium-6, strontium, vanadium |
| Arkansas | Perry, Arkansas | Perry County, Arkansas | 3.75 | 152 | Perry | 105 | us-ar-105 | 15 | 0 | 0 | 0 | 4 | 0 | 0 | 9 | 0 | 2 | 0 | |
| Arkansas | Phillips, Arkansas | Phillips County, Arkansas | 1.375 | 154 | Phillips | 107 | us-ar-107 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 9 | 0 | |
| Arkansas | Pike, Arkansas | Pike County, Arkansas | 7.714285714 | 155 | Pike | 109 | us-ar-109 | 54 | 0 | 4 | 0 | 2 | 0 | 0 | 42 | 0 | 6 | 0 | |
| Arkansas | Poinsett, Arkansas | Poinsett County, Arkansas | 0.818181818 | 156 | Poinsett | 111 | us-ar-111 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 0 | |
| Arkansas | Polk, Arkansas | Polk County, Arkansas | 3.666666667 | 157 | Polk | 113 | us-ar-113 | 33 | 0 | 5 | 0 | 0 | 0 | 0 | 22 | 0 | 6 | 0 | |
| Arkansas | Pope, Arkansas | Pope County, Arkansas | 1.666666667 | 159 | Pope | 115 | us-ar-115 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 0 | chlorate, chromium-6, strontium, vanadium |
| Arkansas | Prairie, Arkansas | Prairie County, Arkansas | 1 | 161 | Prairie | 117 | us-ar-117 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Arkansas | Pulaski, Arkansas | Pulaski County, Arkansas | 1.571428571 | 163 | Pulaski | 119 | us-ar-119 | 11 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 8 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Arkansas | Randolph, Arkansas | Randolph County, Arkansas | 1.875 | 164 | Randolph | 121 | us-ar-121 | 15 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 11 | 0 | |
| Arkansas | Saline, Arkansas | St. Francis County, Arkansas | 4.1 | 165 | Saline | 123 | us-ar-123 | 41 | 0 | 3 | 0 | 0 | 0 | 0 | 33 | 0 | 5 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Arkansas | Scott, Arkansas | Saline County, Arkansas | 27 | 166 | Scott | 125 | us-ar-125 | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 24 | 0 | 2 | 0 | |
| Arkansas | Searcy, Arkansas | Scott County, Arkansas | 22.2 | 167 | Searcy | 127 | us-ar-127 | 111 | 0 | 0 | 50 | 0 | 0 | 54 | 0 | 0 | 7 | 0 | |
| Arkansas | Sebastian, Arkansas | Searcy County, Arkansas | 4.8 | 168 | Sebastian | 129 | us-ar-129 | 72 | 0 | 1 | 0 | 1 | 0 | 0 | 64 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Arkansas | Sevier, Arkansas | Sebastian County, Arkansas | 5 | 169 | Sevier | 131 | us-ar-131 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 5 | 0 | |
| Arkansas | Sharp, Arkansas | Sevier County, Arkansas | 5.142857143 | 170 | Sharp | 133 | us-ar-133 | 36 | 0 | 1 | 0 | 0 | 0 | 0 | 24 | 0 | 11 | 0 | |
| Arkansas | St. Francis, Arkansas | Sharp County, Arkansas | 1.111111111 | 171 | St. Francis | 135 | us-ar-135 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 3 | chromium, chromium-6, strontium, vanadium |
| Arkansas | Stone, Arkansas | Stone County, Arkansas | 1.2 | 172 | Stone | 137 | us-ar-137 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Arkansas | Union, Arkansas | Union County, Arkansas | 2.884615385 | 173 | Union | 139 | us-ar-139 | 75 | 0 | 0 | 0 | 1 | 0 | 0 | 26 | 0 | 48 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Arkansas | Van Buren, Arkansas | Van Buren County, Arkansas | 3.4 | 174 | Van Buren | 141 | us-ar-141 | 17 | 0 | 6 | 0 | 3 | 0 | 0 | 6 | 0 | 2 | 0 | |
| Arkansas | Washington, Arkansas | Washington County, Arkansas | 1.714285714 | 175 | Washington | 143 | us-ar-143 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 10 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Arkansas | White, Arkansas | White County, Arkansas | 1.538461538 | 176 | White | 145 | us-ar-145 | 20 | 0 | 6 | 0 | 1 | 0 | 0 | 7 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Arkansas | Woodruff, Arkansas | Woodruff County, Arkansas | 2.4 | 177 | Woodruff | 147 | us-ar-147 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | |
| Arkansas | Yell, Arkansas | Yell County, Arkansas | 9.571428571 | 178 | Yell | 149 | us-ar-149 | 67 | 0 | 10 | 0 | 1 | 0 | 0 | 50 | 0 | 6 | 0 | |
| Arizona | Apache, Arizona | Apache County, Arizona | 1.944444444 | 179 | Apache | 1 | us-az-001 | 35 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 32 | 0 | |
| Arizona | Cochise, Arizona | Cochise County, Arizona | 2.277777778 | 180 | Cochise | 3 | us-az-003 | 123 | 45 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 48 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Arizona | Coconino, Arizona | Coconino County, Arizona | 2.129032258 | 181 | Coconino | 5 | us-az-005 | 66 | 12 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 47 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Arizona | Gila, Arizona | Gila County, Arizona | 1.088888889 | 182 | Gila | 7 | us-az-007 | 49 | 25 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 19 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFOA, strontium, vanadium |
| Arizona | Graham, Arizona | Graham County, Arizona | 0.142857143 | 183 | Graham | 9 | us-az-009 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Arizona | Greenlee, Arizona | Greenlee County, Arizona | 3.666666667 | 184 | Greenlee | 11 | us-az-011 | 22 | 18 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | |
| Arizona | La Paz, Arizona | La Paz County, Arizona | 5.947368421 | 185 | La Paz | 12 | us-az-012 | 113 | 29 | 15 | 37 | 1 | 2 | 0 | 25 | 0 | 4 | 0 | |
| Arizona | Maricopa, Arizona | Maricopa County, Arizona | 1.905660377 | 186 | Maricopa | 13 | us-az-013 | 202 | 126 | 0 | 0 | 0 | 42 | 0 | 5 | 0 | 28 | 1 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, HCFC-22, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| Arizona | Mohave, Arizona | Mohave County, Arizona | 2.949152542 | 187 | Mohave | 15 | us-az-015 | 174 | 41 | 1 | 0 | 0 | 1 | 34 | 14 | 0 | 83 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| Arizona | Navajo, Arizona | Navajo County, Arizona | 0.578947368 | 188 | Navajo | 17 | us-az-017 | 22 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 21 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Arizona | Pima, Arizona | Pima County, Arizona | 0.590604027 | 189 | Pima | 19 | us-az-019 | 88 | 50 | 0 | 1 | 1 | 1 | 2 | 0 | 0 | 33 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, n-propylbenzene, PFHxS, PFOS, strontium, vanadium |
| Arizona | Pinal, Arizona | Pinal County, Arizona | 6.774193548 | 190 | Pinal | 21 | us-az-021 | 420 | 138 | 0 | 33 | 1 | 176 | 51 | 0 | 0 | 21 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Arizona | Santa Cruz, Arizona | Santa Cruz County, Arizona | 4 | 191 | Santa Cruz | 23 | us-az-023 | 64 | 41 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 18 | 1 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Arizona | Yavapai, Arizona | Yavapai County, Arizona | 5.018691589 | 192 | Yavapai | 25 | us-az-025 | 537 | 455 | 0 | 5 | 1 | 3 | 10 | 0 | 0 | 63 | 0 | chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, vanadium |
| Arizona | Yuma, Arizona | Yuma County, Arizona | 6.939393939 | 193 | Yuma | 27 | us-az-027 | 229 | 112 | 62 | 2 | 2 | 0 | 15 | 19 | 0 | 17 | 0 | chlorate, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| California | Alameda, California | Alameda County, California | 0.071428571 | 194 | Alameda | 1 | us-ca-001 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, PFHxS, strontium, testosterone, vanadium |
| California | Alpine, California | Alpine County, California | 1.8 | 195 | Alpine | 3 | us-ca-003 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| California | Amador, California | Amador County, California | 0.909090909 | 196 | Amador | 5 | us-ca-005 | 20 | 0 | 3 | 0 | 2 | 0 | 0 | 5 | 0 | 10 | 0 | |
| California | Butte, California | Butte County, California | 0.652173913 | 197 | Butte | 7 | us-ca-007 | 30 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 26 | 0 | 1,1-dichloroethane, 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, HCFC-22, PFHxS, PFOS, strontium, vanadium |
| California | Calaveras, California | Calaveras County, California | 0.647058824 | 198 | Calaveras | 9 | us-ca-009 | 11 | 0 | 2 | 0 | 1 | 0 | 0 | 3 | 0 | 5 | 0 | chlorate, chromium, chromium-6, estriol, manganese, strontium, vanadium |
| California | Colusa, California | Colusa County, California | 3.444444444 | 199 | Colusa | 11 | us-ca-011 | 31 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| California | Contra Costa, California | Contra Costa County, California | 1 | 200 | Contra Costa | 13 | us-ca-013 | 41 | 20 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 20 | 0 | chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| California | Del Norte, California | Del Norte County, California | 0.0625 | 201 | Del Norte | 15 | us-ca-015 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| California | El Dorado, California | El Dorado County, California | 0.818181818 | 202 | El Dorado | 17 | us-ca-017 | 18 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 5 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| California | Fresno, California | Fresno County, California | 8.697478992 | 203 | Fresno | 19 | us-ca-019 | 1035 | 242 | 141 | 0 | 0 | 18 | 56 | 453 | 3 | 122 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, 17-alpha-ethynylestradiol, 4-androstene-3,17-dione, chlorate, chloromethane, chromium, chromium-6, germanium, Halon 1011, HCFC-22, manganese, molybdenum, strontium, testosterone, vanadium |
| California | Glenn, California | Glenn County, California | 0.6 | 204 | Glenn | 21 | us-ca-021 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| California | Humboldt, California | Humboldt County, California | 1.695652174 | 205 | Humboldt | 23 | us-ca-023 | 78 | 0 | 59 | 0 | 0 | 0 | 0 | 12 | 0 | 7 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| California | Imperial, California | Imperial County, California | 3.034482759 | 206 | Imperial | 25 | us-ca-025 | 88 | 0 | 5 | 0 | 0 | 0 | 1 | 77 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| California | Inyo, California | Inyo County, California | 2.808510638 | 207 | Inyo | 27 | us-ca-027 | 132 | 76 | 0 | 2 | 0 | 0 | 33 | 0 | 0 | 21 | 0 | |
| California | Kern, California | Kern County, California | 8.016853933 | 208 | Kern | 29 | us-ca-029 | 1427 | 1009 | 2 | 17 | 0 | 143 | 48 | 4 | 10 | 194 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, cobalt, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| California | Kings, California | Kings County, California | 15.46153846 | 209 | Kings | 31 | us-ca-031 | 201 | 89 | 2 | 0 | 0 | 0 | 15 | 60 | 0 | 35 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| California | Lake, California | Lake County, California | 0.842105263 | 210 | Lake | 33 | us-ca-033 | 48 | 0 | 7 | 0 | 0 | 0 | 0 | 35 | 0 | 6 | 0 | chlorate, chromium-6, Halon 1011, manganese, strontium, vanadium |
| California | Lassen, California | Lassen County, California | 1.933333333 | 211 | Lassen | 35 | us-ca-035 | 29 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 22 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| California | Los Angeles, California | Los Angeles County, California | 0.668269231 | 212 | Los Angeles | 37 | us-ca-037 | 139 | 76 | 3 | 0 | 0 | 1 | 0 | 3 | 0 | 56 | 0 | 1,1-dichloroethane, 1,4-dioxane, 4-androstene-3,17-dione, bromomethane, chlorate, chloromethane, chromium, chromium-6, cobalt, estriol, Halon 1011, HCFC-22, manganese, molybdenum, PFHpA, PFOA, PFOS, strontium, testosterone, vanadium |
| California | Madera, California | Madera County, California | 10.88405797 | 213 | Madera | 39 | us-ca-039 | 751 | 406 | 1 | 4 | 1 | 27 | 158 | 28 | 0 | 126 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| California | Marin, California | Marin County, California | 4.933333333 | 214 | Marin | 41 | us-ca-041 | 74 | 0 | 2 | 0 | 0 | 0 | 0 | 71 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| California | Mariposa, California | Mariposa County, California | 3.076923077 | 215 | Mariposa | 43 | us-ca-043 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 15 | 0 | |
| California | Mendocino, California | Mendocino County, California | 0.837209302 | 216 | Mendocino | 45 | us-ca-045 | 36 | 9 | 7 | 0 | 0 | 0 | 0 | 14 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| California | Merced, California | Merced County, California | 2.476190476 | 217 | Merced | 47 | us-ca-047 | 52 | 9 | 0 | 0 | 0 | 0 | 0 | 39 | 0 | 4 | 0 | 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| California | Modoc, California | Modoc County, California | 0.4 | 218 | Modoc | 49 | us-ca-049 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| California | Mono, California | Mono County, California | 3.235294118 | 219 | Mono | 51 | us-ca-051 | 55 | 46 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | chlorate, chromium, chromium-6, germanium, manganese, molybdenum, strontium, vanadium |
| California | Monterey, California | Monterey County, California | 4.0625 | 220 | Monterey | 53 | us-ca-053 | 650 | 138 | 62 | 10 | 0 | 162 | 0 | 1 | 0 | 277 | 0 | 1,1-dichloroethane, 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, germanium, Halon 1011, manganese, molybdenum, strontium, vanadium |
| California | Napa, California | Napa County, California | 1.903225806 | 221 | Napa | 55 | us-ca-055 | 59 | 0 | 3 | 0 | 0 | 0 | 0 | 41 | 0 | 15 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| California | Nevada, California | Nevada County, California | 2.681818182 | 222 | Nevada | 57 | us-ca-057 | 59 | 23 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| California | Orange, California | Orange County, California | 0.209302326 | 223 | Orange | 59 | us-ca-059 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 5 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, PFHpA, PFOA, PFOS, strontium, vanadium |
| California | Placer, California | Placer County, California | 0.827586207 | 224 | Placer | 61 | us-ca-061 | 48 | 0 | 3 | 0 | 1 | 0 | 0 | 3 | 0 | 41 | 0 | chlorate, chromium, chromium-6, strontium, testosterone, vanadium |
| California | Plumas, California | Plumas County, California | 4.419354839 | 225 | Plumas | 63 | us-ca-063 | 137 | 50 | 1 | 0 | 0 | 0 | 19 | 0 | 0 | 67 | 0 | |
| California | Riverside, California | Riverside County, California | 1.519607843 | 226 | Riverside | 65 | us-ca-065 | 155 | 48 | 1 | 3 | 0 | 30 | 21 | 10 | 0 | 41 | 1 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, testosterone, vanadium |
| California | Sacramento, California | Sacramento County, California | 3.298507463 | 227 | Sacramento | 67 | us-ca-067 | 221 | 204 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, 17-beta-estradiol, 4-androstene-3,17-dione, bromomethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, PFHxS, PFOA, PFOS, strontium, testosterone, vanad |
| California | San Benito, California | San Benito County, California | 1.806451613 | 228 | San Benito | 69 | us-ca-069 | 56 | 3 | 0 | 8 | 0 | 11 | 5 | 21 | 0 | 8 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| California | San Bernardino, California | San Bernardino County, California | 2.152317881 | 229 | San Bernardino | 71 | us-ca-071 | 325 | 145 | 0 | 62 | 1 | 2 | 53 | 12 | 0 | 50 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, HCFC-22, molybdenum, strontium, testosterone, vanadium |
| California | San Diego, California | San Diego County, California | 2.772151899 | 230 | San Diego | 73 | us-ca-073 | 219 | 3 | 2 | 15 | 0 | 74 | 57 | 10 | 0 | 58 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, PFHxS, PFOA, strontium, vanadium |
| California | San Joaquin, California | San Joaquin County, California | 3.052083333 | 231 | San Joaquin | 77 | us-ca-077 | 293 | 120 | 1 | 0 | 0 | 23 | 7 | 3 | 0 | 139 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, PFOA, PFOS, strontium, vanadium |
| California | San Luis Obispo, California | San Luis Obispo County, California | 0.371428571 | 232 | San Luis Obispo | 79 | us-ca-079 | 26 | 8 | 0 | 0 | 0 | 2 | 0 | 10 | 0 | 6 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, PFOA, strontium, vanadium |
| California | San Mateo, California | San Mateo County, California | 1.128205128 | 233 | San Mateo | 81 | us-ca-081 | 44 | 0 | 15 | 0 | 0 | 2 | 0 | 14 | 0 | 13 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| California | Santa Barbara, California | Santa Barbara County, California | 0.916666667 | 234 | Santa Barbara | 83 | us-ca-083 | 55 | 21 | 3 | 0 | 0 | 1 | 0 | 6 | 0 | 24 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| California | Santa Clara, California | Santa Clara County, California | 0.47826087 | 235 | Santa Clara | 85 | us-ca-085 | 33 | 0 | 5 | 2 | 0 | 5 | 0 | 0 | 0 | 21 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| California | Santa Cruz, California | Santa Cruz County, California | 5.074074074 | 236 | Santa Cruz | 87 | us-ca-087 | 274 | 7 | 216 | 0 | 0 | 0 | 0 | 12 | 0 | 39 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| California | Shasta, California | Shasta County, California | 1.21875 | 237 | Shasta | 89 | us-ca-089 | 78 | 4 | 41 | 0 | 0 | 0 | 0 | 5 | 0 | 28 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| California | Sierra, California | Sierra County, California | 5.5 | 238 | Sierra | 91 | us-ca-091 | 44 | 32 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | |
| California | Siskiyou, California | Siskiyou County, California | 1.848484848 | 239 | Siskiyou | 93 | us-ca-093 | 61 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 54 | 0 | |
| California | Solano, California | Solano County, California | 0.076923077 | 240 | Solano | 95 | us-ca-095 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| California | Sonoma, California | Sonoma County, California | 1.969230769 | 241 | Sonoma | 97 | us-ca-097 | 256 | 91 | 55 | 1 | 0 | 32 | 0 | 19 | 0 | 48 | 10 | bromomethane, chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| California | Stanislaus, California | Stanislaus County, California | 6.463768116 | 242 | Stanislaus | 99 | us-ca-099 | 446 | 314 | 0 | 0 | 0 | 37 | 10 | 15 | 0 | 70 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, vanadium |
| California | Sutter, California | Sutter County, California | 7.142857143 | 243 | Sutter | 101 | us-ca-101 | 50 | 47 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| California | Tehama, California | Tehama County, California | 1.470588235 | 244 | Tehama | 103 | us-ca-103 | 75 | 55 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| California | Trinity, California | Trinity County, California | 2 | 245 | Trinity | 105 | us-ca-105 | 36 | 31 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| California | Tulare, California | Tulare County, California | 8.285714286 | 246 | Tulare | 107 | us-ca-107 | 812 | 106 | 30 | 0 | 0 | 243 | 33 | 128 | 22 | 250 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, PFHpA, PFHxS, PFOS, strontium, testosterone, vanadium |
| California | Tuolumne, California | Tuolumne County, California | 0.566037736 | 247 | Tuolumne | 109 | us-ca-109 | 30 | 0 | 2 | 0 | 3 | 0 | 0 | 19 | 0 | 6 | 0 | chlorate, chloromethane, chromium, chromium-6, strontium, vanadium |
| California | Ventura, California | Ventura County, California | 0.323529412 | 248 | Ventura | 111 | us-ca-111 | 22 | 0 | 3 | 0 | 0 | 2 | 0 | 3 | 0 | 14 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, germanium, Halon 1011, HCFC-22, manganese, molybdenum, strontium, vanadium |
| California | Yolo, California | Yolo County, California | 1.777777778 | 249 | Yolo | 113 | us-ca-113 | 32 | 5 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 23 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| California | Yuba, California | Yuba County, California | 0.310344828 | 250 | Yuba | 115 | us-ca-115 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, manganese, strontium, vanadium |
| Colorado | Adams, Colorado | Adams County, Colorado | 0.659574468 | 251 | Adams | 1 | us-co-001 | 31 | 0 | 2 | 0 | 1 | 11 | 0 | 7 | 0 | 10 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Alamosa, Colorado | Alamosa County, Colorado | 10.5 | 252 | Alamosa | 3 | us-co-003 | 42 | 35 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 0 | |
| Colorado | Arapahoe, Colorado | Arapahoe County, Colorado | 0.291666667 | 253 | Arapahoe | 5 | us-co-005 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| Colorado | Archuleta, Colorado | Archuleta County, Colorado | 1.666666667 | 254 | Archuleta | 7 | us-co-007 | 10 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Baca, Colorado | Baca County, Colorado | 3 | 255 | Baca | 9 | us-co-009 | 18 | 0 | 0 | 0 | 0 | 0 | 14 | 2 | 0 | 2 | 0 | |
| Colorado | Bent, Colorado | Bent County, Colorado | 0.5 | 256 | Bent | 11 | us-co-011 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Colorado | Boulder, Colorado | Boulder County, Colorado | 1.393939394 | 257 | Boulder | 13 | us-co-013 | 46 | 0 | 30 | 0 | 0 | 0 | 0 | 6 | 0 | 10 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| Colorado | Chaffee, Colorado | Chaffee County, Colorado | 1.0625 | 258 | Chaffee | 15 | us-co-015 | 17 | 0 | 0 | 13 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | |
| Colorado | Cheyenne, Colorado | Cheyenne County, Colorado | 5.666666667 | 259 | Cheyenne | 17 | us-co-017 | 17 | 0 | 0 | 4 | 0 | 0 | 11 | 1 | 0 | 1 | 0 | |
| Colorado | Clear Creek, Colorado | Clear Creek County, Colorado | 2.2 | 260 | Clear Creek | 19 | us-co-019 | 22 | 0 | 13 | 0 | 4 | 1 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium |
| Colorado | Conejos, Colorado | Conejos County, Colorado | 1.75 | 261 | Conejos | 21 | us-co-021 | 14 | 0 | 8 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | |
| Colorado | Costilla, Colorado | Costilla County, Colorado | 1 | 262 | Costilla | 23 | us-co-023 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Colorado | Crowley, Colorado | Crowley County, Colorado | 1 | 263 | Crowley | 25 | us-co-025 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | |
| Colorado | Custer, Colorado | Custer County, Colorado | 1.5 | 264 | Custer | 27 | us-co-027 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | |
| Colorado | Delta, Colorado | Delta County, Colorado | 2.272727273 | 265 | Delta | 29 | us-co-029 | 50 | 0 | 38 | 0 | 2 | 0 | 0 | 6 | 0 | 4 | 0 | |
| Colorado | Dolores, Colorado | Dolores County, Colorado | 1 | 266 | Dolores | 33 | us-co-033 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Colorado | Douglas, Colorado | Douglas County, Colorado | 1.72 | 267 | Douglas | 35 | us-co-035 | 43 | 0 | 5 | 15 | 0 | 0 | 6 | 15 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Colorado | Eagle, Colorado | Eagle County, Colorado | 0.52 | 268 | Eagle | 37 | us-co-037 | 13 | 0 | 6 | 0 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Colorado | El Paso, Colorado | Elbert County, Colorado | 1.094339623 | 269 | El Paso | 41 | us-co-041 | 58 | 0 | 13 | 0 | 2 | 1 | 31 | 6 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, manganese, molybdenum, PFBS, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| Colorado | Elbert, Colorado | El Paso County, Colorado | 0.142857143 | 270 | Elbert | 39 | us-co-039 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Colorado | Fremont, Colorado | Fremont County, Colorado | 0.545454545 | 271 | Fremont | 43 | us-co-043 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 0 | 1 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Garfield, Colorado | Garfield County, Colorado | 1.26 | 272 | Garfield | 45 | us-co-045 | 63 | 0 | 2 | 10 | 2 | 2 | 9 | 31 | 0 | 7 | 0 | chromium, chromium-6, strontium, vanadium |
| Colorado | Grand, Colorado | Grand County, Colorado | 0.333333333 | 273 | Grand | 49 | us-co-049 | 6 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Colorado | Gunnison, Colorado | Gunnison County, Colorado | 1 | 274 | Gunnison | 51 | us-co-051 | 19 | 0 | 0 | 0 | 0 | 0 | 12 | 7 | 0 | 0 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Hinsdale, Colorado | Hinsdale County, Colorado | 0.5 | 275 | Hinsdale | 53 | us-co-053 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Colorado | Huerfano, Colorado | Huerfano County, Colorado | 1 | 276 | Huerfano | 55 | us-co-055 | 9 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Colorado | Jefferson, Colorado | Jefferson County, Colorado | 1.238095238 | 277 | Jefferson | 59 | us-co-059 | 52 | 0 | 11 | 0 | 0 | 0 | 34 | 6 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Kiowa, Colorado | Kiowa County, Colorado | 4.75 | 278 | Kiowa | 61 | us-co-061 | 19 | 0 | 0 | 0 | 0 | 3 | 13 | 0 | 0 | 3 | 0 | |
| Colorado | Kit Carson, Colorado | Kit Carson County, Colorado | 11.16666667 | 279 | Kit Carson | 63 | us-co-063 | 67 | 0 | 0 | 0 | 0 | 63 | 0 | 0 | 0 | 4 | 0 | |
| Colorado | La Plata, Colorado | Lake County, Colorado | 6.244444444 | 280 | La Plata | 67 | us-co-067 | 281 | 2 | 13 | 5 | 1 | 62 | 7 | 31 | 0 | 160 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Lake, Colorado | La Plata County, Colorado | 0.166666667 | 281 | Lake | 65 | us-co-065 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Colorado | Larimer, Colorado | Larimer County, Colorado | 3.103448276 | 282 | Larimer | 69 | us-co-069 | 90 | 0 | 7 | 1 | 1 | 0 | 21 | 52 | 0 | 8 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Colorado | Las Animas, Colorado | Las Animas County, Colorado | 0.583333333 | 283 | Las Animas | 71 | us-co-071 | 7 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Colorado | Lincoln, Colorado | Lincoln County, Colorado | 1.5 | 284 | Lincoln | 73 | us-co-073 | 9 | 0 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Colorado | Logan, Colorado | Logan County, Colorado | 4.777777778 | 285 | Logan | 75 | us-co-075 | 43 | 0 | 1 | 0 | 1 | 0 | 28 | 10 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Colorado | Mesa, Colorado | Mesa County, Colorado | 0.615384615 | 286 | Mesa | 77 | us-co-077 | 8 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Montezuma, Colorado | Montezuma County, Colorado | 0.857142857 | 287 | Montezuma | 83 | us-co-083 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | chlorate, chromium-6, strontium, vanadium |
| Colorado | Montrose, Colorado | Montrose County, Colorado | 3.157894737 | 288 | Montrose | 85 | us-co-085 | 60 | 0 | 51 | 0 | 1 | 0 | 0 | 8 | 0 | 0 | 0 | chromium, molybdenum, strontium, vanadium |
| Colorado | Morgan, Colorado | Morgan County, Colorado | 3.142857143 | 289 | Morgan | 87 | us-co-087 | 22 | 0 | 0 | 0 | 0 | 8 | 12 | 1 | 0 | 1 | 0 | chlorate, chromium-6, strontium, vanadium |
| Colorado | Otero, Colorado | Otero County, Colorado | 9.166666667 | 290 | Otero | 89 | us-co-089 | 220 | 0 | 1 | 12 | 0 | 1 | 187 | 14 | 0 | 5 | 0 | |
| Colorado | Park, Colorado | Park County, Colorado | 1 | 291 | Park | 93 | us-co-093 | 9 | 0 | 1 | 0 | 2 | 1 | 5 | 0 | 0 | 0 | 0 | |
| Colorado | Phillips, Colorado | Phillips County, Colorado | 0.333333333 | 292 | Phillips | 95 | us-co-095 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Colorado | Pitkin, Colorado | Pitkin County, Colorado | 0.653846154 | 293 | Pitkin | 97 | us-co-097 | 17 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Prowers, Colorado | Prowers County, Colorado | 7.9 | 294 | Prowers | 99 | us-co-099 | 79 | 0 | 0 | 0 | 2 | 0 | 66 | 2 | 0 | 9 | 0 | |
| Colorado | Pueblo, Colorado | Pueblo County, Colorado | 5.785714286 | 295 | Pueblo | 101 | us-co-101 | 81 | 0 | 11 | 0 | 0 | 5 | 33 | 26 | 0 | 6 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Colorado | Rio Blanco, Colorado | Rio Blanco County, Colorado | 1.25 | 296 | Rio Blanco | 103 | us-co-103 | 5 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | |
| Colorado | Rio Grande, Colorado | Rio Grande County, Colorado | 2 | 297 | Rio Grande | 105 | us-co-105 | 12 | 0 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | |
| Colorado | Routt, Colorado | Routt County, Colorado | 2.05 | 298 | Routt | 107 | us-co-107 | 41 | 0 | 12 | 0 | 1 | 0 | 0 | 26 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Colorado | Saguache, Colorado | Saguache County, Colorado | 0.4 | 299 | Saguache | 109 | us-co-109 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Colorado | San Juan, Colorado | San Juan County, Colorado | 1 | 300 | San Juan | 111 | us-co-111 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Colorado | San Miguel, Colorado | San Miguel County, Colorado | 3.909090909 | 301 | San Miguel | 113 | us-co-113 | 43 | 0 | 26 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | |
| Colorado | Sedgwick, Colorado | Sedgwick County, Colorado | 0.333333333 | 302 | Sedgwick | 115 | us-co-115 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Colorado | Summit, Colorado | Summit County, Colorado | 0.05 | 303 | Summit | 117 | us-co-117 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, strontium, vanadium |
| Colorado | Teller, Colorado | Teller County, Colorado | 3 | 304 | Teller | 119 | us-co-119 | 78 | 0 | 22 | 18 | 1 | 6 | 18 | 5 | 0 | 8 | 0 | |
| Colorado | Washington, Colorado | Washington County, Colorado | 1.333333333 | 305 | Washington | 121 | us-co-121 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chromium-6, manganese, molybdenum, strontium, vanadium |
| Colorado | Weld, Colorado | Weld County, Colorado | 0.617647059 | 306 | Weld | 123 | us-co-123 | 21 | 0 | 0 | 0 | 0 | 6 | 0 | 10 | 0 | 5 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Colorado | Yuma, Colorado | Yuma County, Colorado | 0.75 | 307 | Yuma | 125 | us-co-125 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Connecticut | Fairfield, Connecticut | Fairfield County, CT | 1.685714286 | 308 | Fairfield | 1 | us-ct-001 | 118 | 0 | 4 | 0 | 5 | 0 | 52 | 6 | 0 | 51 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, strontium, vanadium |
| Connecticut | Hartford, Connecticut | Hartford County, CT | 0.708333333 | 309 | Hartford | 3 | us-ct-003 | 34 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 0 | 1,2,3-trichloropropane, 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Connecticut | Litchfield, Connecticut | Litchfield County, CT | 1 | 310 | Litchfield | 5 | us-ct-005 | 79 | 0 | 0 | 0 | 2 | 0 | 28 | 0 | 0 | 49 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Connecticut | Middlesex, Connecticut | Middlesex County, CT | 1.960784314 | 311 | Middlesex | 7 | us-ct-007 | 100 | 3 | 1 | 0 | 3 | 0 | 41 | 0 | 0 | 52 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, strontium, vanadium |
| Connecticut | New Haven, Connecticut | New Haven County, CT | 0.9375 | 312 | New Haven | 9 | us-ct-009 | 30 | 0 | 0 | 4 | 3 | 0 | 11 | 1 | 0 | 11 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Connecticut | New London, Connecticut | New London County, CT | 1.47826087 | 313 | New London | 11 | us-ct-011 | 136 | 0 | 2 | 0 | 11 | 0 | 0 | 11 | 0 | 112 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Connecticut | Tolland, Connecticut | Tolland County, CT | 1.355263158 | 314 | Tolland | 13 | us-ct-013 | 103 | 0 | 0 | 1 | 3 | 0 | 9 | 1 | 0 | 89 | 0 | chlorate, chromium, chromium-6, strontium |
| Connecticut | Windham, Connecticut | Windham County, CT | 2.818181818 | 315 | Windham | 15 | us-ct-015 | 155 | 52 | 0 | 0 | 8 | 0 | 4 | 0 | 0 | 91 | 0 | chlorate, chromium-6, strontium |
| Florida | Alachua, Florida | Alachua County, Florida | 2.066666667 | 316 | Alachua | 1 | us-fl-001 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 11 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Florida | Baker, Florida | Baker County, Florida | 0.2 | 317 | Baker | 3 | us-fl-003 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | |
| Florida | Bay, Florida | Bay County, Florida | 2.181818182 | 318 | Bay | 5 | us-fl-005 | 24 | 0 | 2 | 0 | 0 | 0 | 0 | 14 | 0 | 8 | 0 | chlorate, chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Florida | Bradford, Florida | Bradford County, Florida | 0.857142857 | 319 | Bradford | 7 | us-fl-007 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Florida | Brevard, Florida | Brevard County, Florida | 6.392857143 | 320 | Brevard | 9 | us-fl-009 | 179 | 0 | 0 | 0 | 2 | 0 | 0 | 163 | 0 | 14 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Florida | Broward, Florida | Broward County, Florida | 0.972972973 | 321 | Broward | 11 | us-fl-011 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 26 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFOA, PFOS, strontium, vanadium |
| Florida | Charlotte, Florida | Charlotte County, Florida | 2.055555556 | 322 | Charlotte | 15 | us-fl-015 | 37 | 0 | 0 | 0 | 0 | 0 | 21 | 7 | 0 | 9 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Citrus, Florida | Citrus County, Florida | 1.481481481 | 323 | Citrus | 17 | us-fl-017 | 80 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 0 | 18 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Florida | Clay, Florida | Clay County, Florida | 0.333333333 | 324 | Clay | 19 | us-fl-019 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, molybdenum, strontium |
| Florida | Collier, Florida | Collier County, Florida | 3.142857143 | 325 | Collier | 21 | us-fl-021 | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 14 | 0 | 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Columbia, Florida | Columbia County, Florida | 1.125 | 326 | Columbia | 23 | us-fl-023 | 18 | 0 | 0 | 4 | 0 | 0 | 0 | 7 | 0 | 7 | 0 | chlorate, chromium-6, strontium |
| Florida | DeSoto, Florida | DeSoto County, Florida | 1.714285714 | 327 | DeSoto | 27 | us-fl-027 | 12 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 0 | 1 | 0 | |
| Florida | Dixie, Florida | Dixie County, Florida | 24.5 | 328 | Dixie | 29 | us-fl-029 | 98 | 0 | 0 | 0 | 0 | 0 | 0 | 95 | 0 | 3 | 0 | |
| Florida | Duval, Florida | Duval County, Florida | 1.964285714 | 329 | Duval | 31 | us-fl-031 | 55 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 44 | 4 | chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| Florida | Escambia, Florida | Escambia County, Florida | 0.428571429 | 330 | Escambia | 33 | us-fl-033 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| Florida | Flagler, Florida | Flagler County, Florida | 5.666666667 | 331 | Flagler | 35 | us-fl-035 | 51 | 0 | 0 | 0 | 1 | 0 | 0 | 45 | 0 | 5 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Florida | Franklin, Florida | Franklin County, Florida | 10.33333333 | 332 | Franklin | 37 | us-fl-037 | 62 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 0 | 0 | 0 | |
| Florida | Gilchrist, Florida | Gilchrist County, Florida | 1.5 | 333 | Gilchrist | 41 | us-fl-041 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium-6, HCFC-22, manganese, strontium, vanadium |
| Florida | Glades, Florida | Glades County, Florida | 4 | 334 | Glades | 43 | us-fl-043 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 4 | 0 | |
| Florida | Gulf, Florida | Gulf County, Florida | 2.8 | 335 | Gulf | 45 | us-fl-045 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 4 | 0 | chlorate, chromium-6, strontium |
| Florida | Hamilton, Florida | Hamilton County, Florida | 0.333333333 | 336 | Hamilton | 47 | us-fl-047 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Florida | Hardee, Florida | Hardee County, Florida | 0.363636364 | 337 | Hardee | 49 | us-fl-049 | 4 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | |
| Florida | Hendry, Florida | Hendry County, Florida | 2.625 | 338 | Hendry | 51 | us-fl-051 | 21 | 0 | 3 | 0 | 0 | 0 | 0 | 13 | 0 | 5 | 0 | chlorate, chromium, strontium |
| Florida | Hernando, Florida | Hernando County, Florida | 2 | 339 | Hernando | 53 | us-fl-053 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 6 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Highlands, Florida | Highlands County, Florida | 1.785714286 | 340 | Highlands | 55 | us-fl-055 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 0 | 8 | 0 | chlorate, chloromethane, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Florida | Hillsborough, Florida | Hillsborough County, Florida | 0.568306011 | 341 | Hillsborough | 57 | us-fl-057 | 104 | 9 | 0 | 0 | 2 | 11 | 36 | 14 | 0 | 32 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, molybdenum, n-propylbenzene, strontium, vanadium |
| Florida | Indian River, Florida | Indian River County, Florida | 2.333333333 | 342 | Indian River | 61 | us-fl-061 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Jackson, Florida | Jackson County, Florida | 0.4 | 343 | Jackson | 63 | us-fl-063 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Florida | Jefferson, Florida | Jefferson County, Florida | 0.2 | 344 | Jefferson | 65 | us-fl-065 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Florida | Lafayette, Florida | Lafayette County, Florida | 13 | 345 | Lafayette | 67 | us-fl-067 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 1 | 0 | |
| Florida | Lake, Florida | Lake County, Florida | 0.503759398 | 346 | Lake | 69 | us-fl-069 | 67 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 4 | 30 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Florida | Lee, Florida | Lee County, Florida | 1.3 | 347 | Lee | 71 | us-fl-071 | 26 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 3 | 8 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Florida | Leon, Florida | Leon County, Florida | 0.08 | 348 | Leon | 73 | us-fl-073 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Florida | Levy, Florida | Levy County, Florida | 6 | 349 | Levy | 75 | us-fl-075 | 78 | 0 | 0 | 2 | 0 | 0 | 0 | 75 | 0 | 1 | 0 | |
| Florida | Madison, Florida | Madison County, Florida | 1.6 | 350 | Madison | 79 | us-fl-079 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | |
| Florida | Manatee, Florida | Manatee County, Florida | 0.375 | 351 | Manatee | 81 | us-fl-081 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Florida | Marion, Florida | Marion County, Florida | 0.423611111 | 352 | Marion | 83 | us-fl-083 | 61 | 0 | 0 | 0 | 1 | 0 | 0 | 17 | 0 | 43 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, n-propylbenzene, PFHxS, PFOS, strontium, vanadium |
| Florida | Martin, Florida | Martin County, Florida | 4.875 | 353 | Martin | 85 | us-fl-085 | 78 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 0 | 6 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFHxS, PFNA, PFOA, PFOS, strontium, vanadium |
| Florida | Miami-Dade, Florida | Miami-Dade County, Florida | 3.8 | 354 | Miami-Dade | 86 | us-fl-086 | 95 | 0 | 0 | 0 | 0 | 1 | 0 | 64 | 0 | 30 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, PFHpA, PFOS, strontium, vanadium |
| Florida | Nassau, Florida | Nassau County, Florida | 2.142857143 | 355 | Nassau | 89 | us-fl-089 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 26 | 0 | chlorate, chromium, chromium-6, Halon 1011, strontium, vanadium |
| Florida | Okaloosa, Florida | Okaloosa County, Florida | 0.904761905 | 356 | Okaloosa | 91 | us-fl-091 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Okeechobee, Florida | Okeechobee County, Florida | 8.1 | 357 | Okeechobee | 93 | us-fl-093 | 81 | 0 | 0 | 0 | 1 | 0 | 8 | 61 | 0 | 11 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Florida | Orange, Florida | Orange County, Florida | 0.976744186 | 358 | Orange | 95 | us-fl-095 | 42 | 0 | 0 | 0 | 0 | 0 | 5 | 21 | 0 | 16 | 0 | 1,3-butadiene, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Florida | Osceola, Florida | Osceola County, Florida | 2.516129032 | 359 | Osceola | 97 | us-fl-097 | 78 | 0 | 0 | 0 | 0 | 0 | 0 | 63 | 5 | 10 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Palm Beach, Florida | Palm Beach County, Florida | 2.942857143 | 360 | Palm Beach | 99 | us-fl-099 | 103 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 0 | 44 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| Florida | Pasco, Florida | Pasco County, Florida | 0.480519481 | 361 | Pasco | 101 | us-fl-101 | 37 | 8 | 0 | 0 | 0 | 1 | 0 | 12 | 0 | 16 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| Florida | Pinellas, Florida | Pinellas County, Florida | 0.923076923 | 362 | Pinellas | 103 | us-fl-103 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 3 | 0 | 1,4-dioxane, bromomethane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| Florida | Polk, Florida | Polk County, Florida | 0.503184713 | 363 | Polk | 105 | us-fl-105 | 79 | 8 | 0 | 0 | 1 | 1 | 5 | 51 | 0 | 13 | 0 | 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Florida | Putnam, Florida | Putnam County, Florida | 2.3125 | 364 | Putnam | 107 | us-fl-107 | 74 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 0 | 33 | 0 | chlorate, chromium, strontium |
| Florida | Santa Rosa, Florida | St. Johns County, Florida | 2.266666667 | 365 | Santa Rosa | 109 | us-fl-109 | 34 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 18 | 14 | 0 | chlorate, chloromethane, chromium, chromium-6, cobalt, strontium, vanadium |
| Florida | Sarasota, Florida | St. Lucie County, Florida | 0.428571429 | 366 | Sarasota | 111 | us-fl-111 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Seminole, Florida | Santa Rosa County, Florida | 0.975 | 367 | Seminole | 113 | us-fl-113 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 0 | 6 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Florida | St. Johns, Florida | Sarasota County, Florida | 1.086956522 | 368 | St. Johns | 115 | us-fl-115 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 11 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Florida | St. Lucie, Florida | Seminole County, Florida | 2.739130435 | 369 | St. Lucie | 117 | us-fl-117 | 63 | 0 | 0 | 0 | 0 | 0 | 0 | 63 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Florida | Sumter, Florida | Sumter County, Florida | 0.85 | 370 | Sumter | 119 | us-fl-119 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 3 | 0 | chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Florida | Suwannee, Florida | Suwannee County, Florida | 2.5 | 371 | Suwannee | 121 | us-fl-121 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 4 | 0 | chlorate, chloromethane, chromium-6, manganese, molybdenum, strontium, vanadium |
| Florida | Taylor, Florida | Taylor County, Florida | 10.66666667 | 372 | Taylor | 123 | us-fl-123 | 32 | 0 | 14 | 0 | 0 | 0 | 0 | 16 | 0 | 2 | 0 | |
| Florida | Union, Florida | Union County, Florida | 2 | 373 | Union | 125 | us-fl-125 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Florida | Volusia, Florida | Volusia County, Florida | 1.530612245 | 374 | Volusia | 127 | us-fl-127 | 75 | 0 | 0 | 0 | 2 | 0 | 0 | 62 | 0 | 11 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Florida | Wakulla, Florida | Wakulla County, Florida | 1 | 375 | Wakulla | 129 | us-fl-129 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 0 | |
| Florida | Walton, Florida | Walton County, Florida | 1.3 | 376 | Walton | 131 | us-fl-131 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | chromium, chromium-6, HCFC-22, molybdenum, PFOS, strontium, vanadium |
| Florida | Washington, Florida | Washington County, Florida | 0.166666667 | 377 | Washington | 133 | us-fl-133 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Atkinson, Georgia | Atkinson County, Georgia | 0.2 | 378 | Atkinson | 3 | us-ga-003 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Baldwin, Georgia | Baldwin County, Georgia | 0.857142857 | 379 | Baldwin | 9 | us-ga-009 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium-6, strontium, vanadium |
| Georgia | Barrow, Georgia | Barrow County, Georgia | 3.222222222 | 380 | Barrow | 13 | us-ga-013 | 29 | 0 | 0 | 0 | 0 | 0 | 23 | 1 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Bartow, Georgia | Bartow County, Georgia | 0.75 | 381 | Bartow | 15 | us-ga-015 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Berrien, Georgia | Berrien County, Georgia | 0.25 | 382 | Berrien | 19 | us-ga-019 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Bibb, Georgia | Bibb County, Georgia | 0.090909091 | 383 | Bibb | 21 | us-ga-021 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Bleckley, Georgia | Bleckley County, Georgia | 0.333333333 | 384 | Bleckley | 23 | us-ga-023 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Brooks, Georgia | Brooks County, Georgia | 0.428571429 | 385 | Brooks | 27 | us-ga-027 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Georgia | Bryan, Georgia | Bryan County, Georgia | 0.108695652 | 386 | Bryan | 29 | us-ga-029 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | strontium |
| Georgia | Bulloch, Georgia | Bulloch County, Georgia | 0.028037383 | 387 | Bulloch | 31 | us-ga-031 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium |
| Georgia | Burke, Georgia | Burke County, Georgia | 0.571428571 | 388 | Burke | 33 | us-ga-033 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Georgia | Butts, Georgia | Butts County, Georgia | 0.8 | 389 | Butts | 35 | us-ga-035 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Calhoun, Georgia | Calhoun County, Georgia | 0.8 | 390 | Calhoun | 37 | us-ga-037 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Georgia | Camden, Georgia | Camden County, Georgia | 0.714285714 | 391 | Camden | 39 | us-ga-039 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | chlorate, strontium |
| Georgia | Candler, Georgia | Candler County, Georgia | 0.375 | 392 | Candler | 43 | us-ga-043 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Carroll, Georgia | Carroll County, Georgia | 1.1 | 393 | Carroll | 45 | us-ga-045 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Catoosa, Georgia | Catoosa County, Georgia | 1.666666667 | 394 | Catoosa | 47 | us-ga-047 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Charlton, Georgia | Charlton County, Georgia | 1 | 395 | Charlton | 49 | us-ga-049 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Georgia | Chatham, Georgia | Chatham County, Georgia | 0.186046512 | 396 | Chatham | 51 | us-ga-051 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 15 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, n-propylbenzene, strontium, vanadium |
| Georgia | Chattooga, Georgia | Chattooga County, Georgia | 0.166666667 | 397 | Chattooga | 55 | us-ga-055 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, PFHpA, PFOA, strontium, vanadium |
| Georgia | Cherokee, Georgia | Cherokee County, Georgia | 0.8 | 398 | Cherokee | 57 | us-ga-057 | 8 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Clarke, Georgia | Clarke County, Georgia | 1.272727273 | 399 | Clarke | 59 | us-ga-059 | 14 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Clay, Georgia | Clay County, Georgia | 1.333333333 | 400 | Clay | 61 | us-ga-061 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Georgia | Clayton, Georgia | Clayton County, Georgia | 1 | 401 | Clayton | 63 | us-ga-063 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium-6, PFHpA, strontium, vanadium |
| Georgia | Cobb, Georgia | Cobb County, Georgia | 0.166666667 | 402 | Cobb | 67 | us-ga-067 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Coffee, Georgia | Coffee County, Georgia | 0.125 | 403 | Coffee | 69 | us-ga-069 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | molybdenum, strontium, vanadium |
| Georgia | Colquitt, Georgia | Colquitt County, Georgia | 0.212121212 | 404 | Colquitt | 71 | us-ga-071 | 7 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, molybdenum, strontium |
| Georgia | Columbia, Georgia | Columbia County, Georgia | 0.714285714 | 405 | Columbia | 73 | us-ga-073 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Cook, Georgia | Cook County, Georgia | 0.111111111 | 406 | Cook | 75 | us-ga-075 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chromium-6, manganese, molybdenum, strontium, vanadium |
| Georgia | Coweta, Georgia | Coweta County, Georgia | 0.761904762 | 407 | Coweta | 77 | us-ga-077 | 16 | 0 | 5 | 0 | 0 | 0 | 2 | 2 | 0 | 7 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Georgia | Crawford, Georgia | Crawford County, Georgia | 0.25 | 408 | Crawford | 79 | us-ga-079 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Crisp, Georgia | Crisp County, Georgia | 0.416666667 | 409 | Crisp | 81 | us-ga-081 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Georgia | Dawson, Georgia | Dawson County, Georgia | 1.2 | 410 | Dawson | 85 | us-ga-085 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, chromium-6, strontium |
| Georgia | Decatur, Georgia | Decatur County, Georgia | 0.4 | 411 | Decatur | 87 | us-ga-087 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Georgia | Dooly, Georgia | Dooly County, Georgia | 0.333333333 | 412 | Dooly | 93 | us-ga-093 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Georgia | Dougherty, Georgia | Dougherty County, Georgia | 0.6 | 413 | Dougherty | 95 | us-ga-095 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Georgia | Early, Georgia | Early County, Georgia | 0.333333333 | 414 | Early | 99 | us-ga-099 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Echols, Georgia | Echols County, Georgia | 3.5 | 415 | Echols | 101 | us-ga-101 | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Georgia | Effingham, Georgia | Effingham County, Georgia | 0.217391304 | 416 | Effingham | 103 | us-ga-103 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | |
| Georgia | Elbert, Georgia | Elbert County, Georgia | 0.142857143 | 417 | Elbert | 105 | us-ga-105 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Emanuel, Georgia | Emanuel County, Georgia | 0.4375 | 418 | Emanuel | 107 | us-ga-107 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Georgia | Evans, Georgia | Evans County, Georgia | 0.428571429 | 419 | Evans | 109 | us-ga-109 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Fayette, Georgia | Fayette County, Georgia | 1.692307692 | 420 | Fayette | 113 | us-ga-113 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Franklin, Georgia | Franklin County, Georgia | 3.714285714 | 421 | Franklin | 119 | us-ga-119 | 26 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Georgia | Fulton, Georgia | Fulton County, Georgia | 0.5 | 422 | Fulton | 121 | us-ga-121 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Gilmer, Georgia | Gilmer County, Georgia | 0.333333333 | 423 | Gilmer | 123 | us-ga-123 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium-6, strontium |
| Georgia | Glascock, Georgia | Glascock County, Georgia | 5.333333333 | 424 | Glascock | 125 | us-ga-125 | 16 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 1 | 0 | |
| Georgia | Glynn, Georgia | Glynn County, Georgia | 0.150943396 | 425 | Glynn | 127 | us-ga-127 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | chromium-6, strontium |
| Georgia | Grady, Georgia | Grady County, Georgia | 0.818181818 | 426 | Grady | 131 | us-ga-131 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | molybdenum, strontium |
| Georgia | Greene, Georgia | Greene County, Georgia | 3.96 | 427 | Greene | 133 | us-ga-133 | 99 | 0 | 0 | 0 | 0 | 0 | 94 | 3 | 0 | 2 | 0 | |
| Georgia | Gwinnett, Georgia | Gwinnett County, Georgia | 1 | 428 | Gwinnett | 135 | us-ga-135 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium, vanadium |
| Georgia | Habersham, Georgia | Habersham County, Georgia | 0.928571429 | 429 | Habersham | 137 | us-ga-137 | 13 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, cobalt, germanium, manganese, strontium, vanadium |
| Georgia | Hall, Georgia | Hall County, Georgia | 0.222222222 | 430 | Hall | 139 | us-ga-139 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium-6, strontium, vanadium |
| Georgia | Hancock, Georgia | Hancock County, Georgia | 0.571428571 | 431 | Hancock | 141 | us-ga-141 | 4 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | |
| Georgia | Haralson, Georgia | Haralson County, Georgia | 0.2 | 432 | Haralson | 143 | us-ga-143 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Georgia | Harris, Georgia | Harris County, Georgia | 0.923076923 | 433 | Harris | 145 | us-ga-145 | 12 | 0 | 0 | 0 | 1 | 0 | 7 | 1 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Georgia | Hart, Georgia | Hart County, Georgia | 1.238095238 | 434 | Hart | 147 | us-ga-147 | 26 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 9 | 0 | |
| Georgia | Heard, Georgia | Heard County, Georgia | 0.5 | 435 | Heard | 149 | us-ga-149 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Henry, Georgia | Henry County, Georgia | 0.142857143 | 436 | Henry | 151 | us-ga-151 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| Georgia | Houston, Georgia | Houston County, Georgia | 0.555555556 | 437 | Houston | 153 | us-ga-153 | 5 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, cobalt, strontium, testosterone, vanadium |
| Georgia | Jackson, Georgia | Jackson County, Georgia | 0.357142857 | 438 | Jackson | 157 | us-ga-157 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Jasper, Georgia | Jasper County, Georgia | 2.2 | 439 | Jasper | 159 | us-ga-159 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | |
| Georgia | Jeff Davis, Georgia | Jeff Davis County, Georgia | 0.2 | 440 | Jeff Davis | 161 | us-ga-161 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Jefferson, Georgia | Jefferson County, Georgia | 0.428571429 | 441 | Jefferson | 163 | us-ga-163 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Jenkins, Georgia | Jenkins County, Georgia | 0.5 | 442 | Jenkins | 165 | us-ga-165 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | manganese, strontium |
| Georgia | Johnson, Georgia | Johnson County, Georgia | 1 | 443 | Johnson | 167 | us-ga-167 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Lamar, Georgia | Lamar County, Georgia | 0.333333333 | 444 | Lamar | 171 | us-ga-171 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Liberty, Georgia | Liberty County, Georgia | 0.209302326 | 445 | Liberty | 179 | us-ga-179 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | strontium |
| Georgia | Lincoln, Georgia | Lincoln County, Georgia | 0.75 | 446 | Lincoln | 181 | us-ga-181 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Long, Georgia | Long County, Georgia | 0.244444444 | 447 | Long | 183 | us-ga-183 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Georgia | Lowndes, Georgia | Lowndes County, Georgia | 2.293333333 | 448 | Lowndes | 185 | us-ga-185 | 172 | 0 | 0 | 0 | 0 | 0 | 0 | 154 | 0 | 18 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Lumpkin, Georgia | Lumpkin County, Georgia | 0.212121212 | 449 | Lumpkin | 187 | us-ga-187 | 7 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 0 | |
| Georgia | Macon, Georgia | McDuffie County, Georgia | 0.833333333 | 450 | Macon | 193 | us-ga-193 | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | |
| Georgia | Madison, Georgia | McIntosh County, Georgia | 0.578947368 | 451 | Madison | 195 | us-ga-195 | 11 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 6 | 0 | chlorate, manganese, strontium |
| Georgia | Marion, Georgia | Macon County, Georgia | 0.5 | 452 | Marion | 197 | us-ga-197 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Georgia | McDuffie, Georgia | Madison County, Georgia | 8 | 453 | McDuffie | 189 | us-ga-189 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | McIntosh, Georgia | Marion County, Georgia | 0.071428571 | 454 | McIntosh | 191 | us-ga-191 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Georgia | Meriwether, Georgia | Meriwether County, Georgia | 4.555555556 | 455 | Meriwether | 199 | us-ga-199 | 41 | 0 | 0 | 0 | 0 | 0 | 33 | 4 | 0 | 4 | 0 | |
| Georgia | Miller, Georgia | Miller County, Georgia | 1 | 456 | Miller | 201 | us-ga-201 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Mitchell, Georgia | Mitchell County, Georgia | 0.25 | 457 | Mitchell | 205 | us-ga-205 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Georgia | Monroe, Georgia | Monroe County, Georgia | 1 | 458 | Monroe | 207 | us-ga-207 | 5 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Georgia | Montgomery, Georgia | Montgomery County, Georgia | 3 | 459 | Montgomery | 209 | us-ga-209 | 30 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 1 | 0 | |
| Georgia | Morgan, Georgia | Morgan County, Georgia | 1.153846154 | 460 | Morgan | 211 | us-ga-211 | 15 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 2 | 0 | |
| Georgia | Murray, Georgia | Murray County, Georgia | 0.5 | 461 | Murray | 213 | us-ga-213 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFOA, PFOS, strontium, vanadium |
| Georgia | Newton, Georgia | Newton County, Georgia | 0.615384615 | 462 | Newton | 217 | us-ga-217 | 8 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Georgia | Oglethorpe, Georgia | Oglethorpe County, Georgia | 3.526315789 | 463 | Oglethorpe | 221 | us-ga-221 | 67 | 0 | 0 | 0 | 0 | 0 | 66 | 0 | 0 | 1 | 0 | |
| Georgia | Paulding, Georgia | Paulding County, Georgia | 1 | 464 | Paulding | 223 | us-ga-223 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Georgia | Pickens, Georgia | Pickens County, Georgia | 0.6 | 465 | Pickens | 227 | us-ga-227 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Georgia | Pierce, Georgia | Pierce County, Georgia | 0.333333333 | 466 | Pierce | 229 | us-ga-229 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Pike, Georgia | Pike County, Georgia | 2.75 | 467 | Pike | 231 | us-ga-231 | 22 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 2 | 0 | |
| Georgia | Polk, Georgia | Polk County, Georgia | 0.25 | 468 | Polk | 233 | us-ga-233 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Georgia | Putnam, Georgia | Putnam County, Georgia | 0.846153846 | 469 | Putnam | 237 | us-ga-237 | 22 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium-6, strontium, vanadium |
| Georgia | Quitman, Georgia | Quitman County, Georgia | 0.2 | 470 | Quitman | 239 | us-ga-239 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Randolph, Georgia | Randolph County, Georgia | 0.666666667 | 471 | Randolph | 243 | us-ga-243 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Richmond, Georgia | Richmond County, Georgia | 0.285714286 | 472 | Richmond | 245 | us-ga-245 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Georgia | Rockdale, Georgia | Rockdale County, Georgia | 1.4 | 473 | Rockdale | 247 | us-ga-247 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | chlorate, chromium-6, strontium |
| Georgia | Screven, Georgia | Screven County, Georgia | 0.133333333 | 474 | Screven | 251 | us-ga-251 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Georgia | Seminole, Georgia | Seminole County, Georgia | 0.6 | 475 | Seminole | 253 | us-ga-253 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Stephens, Georgia | Stephens County, Georgia | 1 | 476 | Stephens | 257 | us-ga-257 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Georgia | Stewart, Georgia | Stewart County, Georgia | 1 | 477 | Stewart | 259 | us-ga-259 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Georgia | Sumter, Georgia | Sumter County, Georgia | 1.214285714 | 478 | Sumter | 261 | us-ga-261 | 17 | 0 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, strontium |
| Georgia | Talbot, Georgia | Talbot County, Georgia | 0.2 | 479 | Talbot | 263 | us-ga-263 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Georgia | Tattnall, Georgia | Tattnall County, Georgia | 0.333333333 | 480 | Tattnall | 267 | us-ga-267 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | manganese, strontium |
| Georgia | Taylor, Georgia | Taylor County, Georgia | 5 | 481 | Taylor | 269 | us-ga-269 | 20 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | |
| Georgia | Telfair, Georgia | Telfair County, Georgia | 1.666666667 | 482 | Telfair | 271 | us-ga-271 | 10 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 3 | 0 | |
| Georgia | Terrell, Georgia | Terrell County, Georgia | 0.285714286 | 483 | Terrell | 273 | us-ga-273 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Georgia | Thomas, Georgia | Thomas County, Georgia | 0.566666667 | 484 | Thomas | 275 | us-ga-275 | 17 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Georgia | Toombs, Georgia | Tift County, Georgia | 3.866666667 | 485 | Toombs | 277 | us-ga-277 | 58 | 0 | 0 | 0 | 0 | 0 | 55 | 0 | 0 | 3 | 0 | chlorate, strontium |
| Georgia | Treutlen, Georgia | Toombs County, Georgia | 3 | 486 | Treutlen | 279 | us-ga-279 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, HCFC-22, manganese, strontium, vanadium |
| Georgia | Twiggs, Georgia | Twiggs County, Georgia | 0.555555556 | 487 | Twiggs | 289 | us-ga-289 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Georgia | Union, Georgia | Union County, Georgia | 0.222222222 | 488 | Union | 291 | us-ga-291 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium |
| Georgia | Upson, Georgia | Upson County, Georgia | 1.111111111 | 489 | Upson | 293 | us-ga-293 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 4 | 0 | chromium, chromium-6, strontium, vanadium |
| Georgia | Walton, Georgia | Walton County, Georgia | 0.4 | 490 | Walton | 297 | us-ga-297 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, cobalt, Halon 1011, strontium, vanadium |
| Georgia | Ware, Georgia | Ware County, Georgia | 0.166666667 | 491 | Ware | 299 | us-ga-299 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, strontium |
| Georgia | Warren, Georgia | Warren County, Georgia | 19.75 | 492 | Warren | 301 | us-ga-301 | 79 | 0 | 0 | 0 | 0 | 0 | 19 | 58 | 0 | 2 | 0 | |
| Georgia | Washington, Georgia | Washington County, Georgia | 0.5 | 493 | Washington | 303 | us-ga-303 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Georgia | Wayne, Georgia | Wayne County, Georgia | 0.6 | 494 | Wayne | 305 | us-ga-305 | 12 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Georgia | White, Georgia | White County, Georgia | 0.625 | 495 | White | 311 | us-ga-311 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Georgia | Wilcox, Georgia | Wilcox County, Georgia | 0.4 | 496 | Wilcox | 315 | us-ga-315 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Georgia | Wilkes, Georgia | Wilkes County, Georgia | 1.666666667 | 497 | Wilkes | 317 | us-ga-317 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 2 | |
| Georgia | Wilkinson, Georgia | Wilkinson County, Georgia | 0.833333333 | 498 | Wilkinson | 319 | us-ga-319 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Hawaii | Hawaii, Hawaii | Hawaii County, Hawaii | 0.315789474 | 499 | Hawaii | 1 | us-hi-001 | 12 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Hawaii | Honolulu, Hawaii | Honolulu County/city, Hawaii | 0.4 | 500 | Honolulu | 3 | us-hi-003 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| Hawaii | Kauai, Hawaii | Kauai County, Hawaii | 0.352941176 | 501 | Kauai | 7 | us-hi-007 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Hawaii | Maui, Hawaii | Maui County, Hawaii | 0.25 | 502 | Maui | 9 | us-hi-009 | 8 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Iowa | Adair, Iowa | Adair County, Iowa | 1.666666667 | 503 | Adair | 1 | us-ia-001 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | |
| Iowa | Adams, Iowa | Adams County, Iowa | 0.5 | 504 | Adams | 3 | us-ia-003 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Iowa | Allamakee, Iowa | Allamakee County, Iowa | 3 | 505 | Allamakee | 5 | us-ia-005 | 15 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 0 | |
| Iowa | Audubon, Iowa | Audubon County, Iowa | 0.25 | 506 | Audubon | 9 | us-ia-009 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Iowa | Benton, Iowa | Benton County, Iowa | 0.823529412 | 507 | Benton | 11 | us-ia-011 | 14 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 5 | 0 | |
| Iowa | Black Hawk, Iowa | Black Hawk County, Iowa | 0.272727273 | 508 | Black Hawk | 13 | us-ia-013 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Boone, Iowa | Boone County, Iowa | 0.4 | 509 | Boone | 15 | us-ia-015 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Buchanan, Iowa | Buchanan County, Iowa | 1 | 510 | Buchanan | 19 | us-ia-019 | 9 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 1 | 0 | |
| Iowa | Buena Vista, Iowa | Buena Vista County, Iowa | 0.181818182 | 511 | Buena Vista | 21 | us-ia-021 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Butler, Iowa | Butler County, Iowa | 0.555555556 | 512 | Butler | 23 | us-ia-023 | 5 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | |
| Iowa | Calhoun, Iowa | Calhoun County, Iowa | 0.153846154 | 513 | Calhoun | 25 | us-ia-025 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | |
| Iowa | Carroll, Iowa | Carroll County, Iowa | 0.642857143 | 514 | Carroll | 27 | us-ia-027 | 9 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, molybdenum, strontium |
| Iowa | Cass, Iowa | Cass County, Iowa | 0.428571429 | 515 | Cass | 29 | us-ia-029 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Iowa | Cedar, Iowa | Cedar County, Iowa | 0.583333333 | 516 | Cedar | 31 | us-ia-031 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | chlorate, strontium |
| Iowa | Cerro Gordo, Iowa | Cerro Gordo County, Iowa | 0.454545455 | 517 | Cerro Gordo | 33 | us-ia-033 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, strontium |
| Iowa | Cherokee, Iowa | Cherokee County, Iowa | 0.090909091 | 518 | Cherokee | 35 | us-ia-035 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, manganese, molybdenum, strontium |
| Iowa | Clayton, Iowa | Clayton County, Iowa | 0.375 | 519 | Clayton | 43 | us-ia-043 | 6 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 0 | |
| Iowa | Clinton, Iowa | Clinton County, Iowa | 1.411764706 | 520 | Clinton | 45 | us-ia-045 | 24 | 0 | 0 | 0 | 0 | 9 | 4 | 3 | 0 | 8 | 0 | chlorate, chromium, strontium |
| Iowa | Dallas, Iowa | Dallas County, Iowa | 0.6 | 521 | Dallas | 49 | us-ia-049 | 12 | 1 | 0 | 1 | 0 | 3 | 0 | 2 | 0 | 5 | 0 | chromium-6, molybdenum, strontium, vanadium |
| Iowa | Davis, Iowa | Davis County, Iowa | 19.5 | 522 | Davis | 51 | us-ia-051 | 39 | 0 | 5 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 0 | |
| Iowa | Decatur, Iowa | Decatur County, Iowa | 2.6 | 523 | Decatur | 53 | us-ia-053 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 1 | 0 | |
| Iowa | Delaware, Iowa | Delaware County, Iowa | 0.222222222 | 524 | Delaware | 55 | us-ia-055 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | Aerobic spores |
| Iowa | Des Moines, Iowa | Des Moines County, Iowa | 1.125 | 525 | Des Moines | 57 | us-ia-057 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, chromium, chromium-6, strontium, vanadium |
| Iowa | Dickinson, Iowa | Dickinson County, Iowa | 0.133333333 | 526 | Dickinson | 59 | us-ia-059 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Iowa | Dubuque, Iowa | Dubuque County, Iowa | 1.435897436 | 527 | Dubuque | 61 | us-ia-061 | 56 | 0 | 1 | 0 | 0 | 0 | 26 | 0 | 0 | 29 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, strontium, vanadium |
| Iowa | Emmet, Iowa | Emmet County, Iowa | 0.142857143 | 528 | Emmet | 63 | us-ia-063 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Franklin, Iowa | Franklin County, Iowa | 0.333333333 | 529 | Franklin | 69 | us-ia-069 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | |
| Iowa | Fremont, Iowa | Fremont County, Iowa | 0.571428571 | 530 | Fremont | 71 | us-ia-071 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | |
| Iowa | Greene, Iowa | Greene County, Iowa | 18 | 531 | Greene | 73 | us-ia-073 | 72 | 6 | 0 | 0 | 0 | 66 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium |
| Iowa | Grundy, Iowa | Grundy County, Iowa | 0.111111111 | 532 | Grundy | 75 | us-ia-075 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Guthrie, Iowa | Guthrie County, Iowa | 0.125 | 533 | Guthrie | 77 | us-ia-077 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Iowa | Hamilton, Iowa | Hamilton County, Iowa | 0.625 | 534 | Hamilton | 79 | us-ia-079 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Iowa | Hancock, Iowa | Hancock County, Iowa | 0.25 | 535 | Hancock | 81 | us-ia-081 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Iowa | Hardin, Iowa | Hardin County, Iowa | 1.416666667 | 536 | Hardin | 83 | us-ia-083 | 17 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Iowa | Harrison, Iowa | Harrison County, Iowa | 0.272727273 | 537 | Harrison | 85 | us-ia-085 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Iowa | Henry, Iowa | Henry County, Iowa | 0.1 | 538 | Henry | 87 | us-ia-087 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Iowa | Howard, Iowa | Howard County, Iowa | 0.5 | 539 | Howard | 89 | us-ia-089 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | |
| Iowa | Humboldt, Iowa | Humboldt County, Iowa | 0.25 | 540 | Humboldt | 91 | us-ia-091 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Iowa, Iowa | Iowa County, Iowa | 1.142857143 | 541 | Iowa | 95 | us-ia-095 | 16 | 0 | 1 | 0 | 0 | 1 | 5 | 0 | 0 | 9 | 0 | |
| Iowa | Jackson, Iowa | Jackson County, Iowa | 0.090909091 | 542 | Jackson | 97 | us-ia-097 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Iowa | Johnson, Iowa | Johnson County, Iowa | 3.48 | 543 | Johnson | 103 | us-ia-103 | 261 | 43 | 1 | 0 | 0 | 0 | 66 | 1 | 4 | 146 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Jones, Iowa | Jones County, Iowa | 1.333333333 | 544 | Jones | 105 | us-ia-105 | 16 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 0 | 9 | 0 | |
| Iowa | Keokuk, Iowa | Keokuk County, Iowa | 0.1 | 545 | Keokuk | 107 | us-ia-107 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Kossuth, Iowa | Kossuth County, Iowa | 0.5625 | 546 | Kossuth | 109 | us-ia-109 | 9 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 2 | 0 | |
| Iowa | Lee, Iowa | Lee County, Iowa | 1.666666667 | 547 | Lee | 111 | us-ia-111 | 10 | 0 | 1 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Linn, Iowa | Linn County, Iowa | 0.825 | 548 | Linn | 113 | us-ia-113 | 33 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 28 | 1 | 1,4-dioxane, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Iowa | Louisa, Iowa | Louisa County, Iowa | 0.777777778 | 549 | Louisa | 115 | us-ia-115 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Iowa | Lucas, Iowa | Lucas County, Iowa | 20 | 550 | Lucas | 117 | us-ia-117 | 40 | 0 | 30 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | |
| Iowa | Lyon, Iowa | Lyon County, Iowa | 0.083333333 | 551 | Lyon | 119 | us-ia-119 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Madison, Iowa | Madison County, Iowa | 0.666666667 | 552 | Madison | 121 | us-ia-121 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | |
| Iowa | Mahaska, Iowa | Mahaska County, Iowa | 1.75 | 553 | Mahaska | 123 | us-ia-123 | 7 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Marion, Iowa | Marion County, Iowa | 0.2 | 554 | Marion | 125 | us-ia-125 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Mills, Iowa | Mills County, Iowa | 2.285714286 | 555 | Mills | 129 | us-ia-129 | 16 | 0 | 0 | 0 | 0 | 5 | 0 | 10 | 0 | 1 | 0 | |
| Iowa | Mitchell, Iowa | Mitchell County, Iowa | 0.75 | 556 | Mitchell | 131 | us-ia-131 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | |
| Iowa | Monona, Iowa | Monona County, Iowa | 0.625 | 557 | Monona | 133 | us-ia-133 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | |
| Iowa | Montgomery, Iowa | Montgomery County, Iowa | 1.4 | 558 | Montgomery | 137 | us-ia-137 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Iowa | Muscatine, Iowa | Muscatine County, Iowa | 0.954545455 | 559 | Muscatine | 139 | us-ia-139 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | O'Brien, Iowa | O'Brien County, Iowa | 0.142857143 | 560 | O'Brien | 141 | us-ia-141 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Page, Iowa | Page County, Iowa | 2.666666667 | 561 | Page | 145 | us-ia-145 | 24 | 0 | 0 | 0 | 0 | 7 | 0 | 8 | 4 | 5 | 0 | |
| Iowa | Palo Alto, Iowa | Palo Alto County, Iowa | 0.714285714 | 562 | Palo Alto | 147 | us-ia-147 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, manganese, molybdenum, strontium |
| Iowa | Plymouth, Iowa | Plymouth County, Iowa | 0.9 | 563 | Plymouth | 149 | us-ia-149 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | |
| Iowa | Pocahontas, Iowa | Pocahontas County, Iowa | 0.666666667 | 564 | Pocahontas | 151 | us-ia-151 | 6 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Polk, Iowa | Polk County, Iowa | 0.956521739 | 565 | Polk | 153 | us-ia-153 | 22 | 0 | 1 | 0 | 0 | 4 | 0 | 13 | 0 | 4 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| Iowa | Pottawattamie, Iowa | Pottawattamie County, Iowa | 0.785714286 | 566 | Pottawattamie | 155 | us-ia-155 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Ringgold, Iowa | Ringgold County, Iowa | 0.333333333 | 567 | Ringgold | 159 | us-ia-159 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Iowa | Sac, Iowa | Sac County, Iowa | 1 | 568 | Sac | 161 | us-ia-161 | 8 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 2 | 0 | |
| Iowa | Scott, Iowa | Scott County, Iowa | 1.183673469 | 569 | Scott | 163 | us-ia-163 | 58 | 0 | 0 | 0 | 1 | 7 | 0 | 1 | 0 | 49 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Iowa | Sioux, Iowa | Sioux County, Iowa | 0.25 | 570 | Sioux | 167 | us-ia-167 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Iowa | Story, Iowa | Story County, Iowa | 0.235294118 | 571 | Story | 169 | us-ia-169 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium |
| Iowa | Tama, Iowa | Tama County, Iowa | 0.272727273 | 572 | Tama | 171 | us-ia-171 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Taylor, Iowa | Taylor County, Iowa | 1.333333333 | 573 | Taylor | 173 | us-ia-173 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Iowa | Union, Iowa | Union County, Iowa | 3 | 574 | Union | 175 | us-ia-175 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Iowa | Wapello, Iowa | Wapello County, Iowa | 0.4 | 575 | Wapello | 179 | us-ia-179 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Iowa | Warren, Iowa | Warren County, Iowa | 0.1 | 576 | Warren | 181 | us-ia-181 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Iowa | Washington, Iowa | Washington County, Iowa | 1.538461538 | 577 | Washington | 183 | us-ia-183 | 20 | 1 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 3 | 0 | |
| Iowa | Webster, Iowa | Webster County, Iowa | 0.523809524 | 578 | Webster | 187 | us-ia-187 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 0 | chromium, cobalt, molybdenum, strontium |
| Iowa | Winnebago, Iowa | Winnebago County, Iowa | 0.428571429 | 579 | Winnebago | 189 | us-ia-189 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Iowa | Woodbury, Iowa | Woodbury County, Iowa | 0.1875 | 580 | Woodbury | 193 | us-ia-193 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, vanadium |
| Idaho | Ada, Idaho | Ada County, Idaho | 3.087719298 | 581 | Ada | 1 | us-id-001 | 176 | 12 | 17 | 0 | 0 | 25 | 78 | 0 | 0 | 44 | 0 | 1,4-dioxane, bromomethane, chlorate, chromium, chromium-6, cobalt, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Idaho | Adams, Idaho | Adams County, Idaho | 2.8 | 582 | Adams | 3 | us-id-003 | 14 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Idaho | Bannock, Idaho | Bannock County, Idaho | 1.818181818 | 583 | Bannock | 5 | us-id-005 | 40 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Idaho | Bear Lake, Idaho | Bear Lake County, Idaho | 1.166666667 | 584 | Bear Lake | 7 | us-id-007 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | |
| Idaho | Benewah, Idaho | Benewah County, Idaho | 1.1 | 585 | Benewah | 9 | us-id-009 | 11 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Idaho | Bingham, Idaho | Bingham County, Idaho | 1.428571429 | 586 | Bingham | 11 | us-id-011 | 40 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 37 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Idaho | Blaine, Idaho | Blaine County, Idaho | 1.6 | 587 | Blaine | 13 | us-id-013 | 32 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | |
| Idaho | Boise, Idaho | Boise County, Idaho | 4.85 | 588 | Boise | 15 | us-id-015 | 97 | 8 | 16 | 24 | 2 | 1 | 0 | 21 | 0 | 25 | 0 | |
| Idaho | Bonner, Idaho | Bonner County, Idaho | 0.977272727 | 589 | Bonner | 17 | us-id-017 | 43 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | testosterone |
| Idaho | Bonneville, Idaho | Bonneville County, Idaho | 0.941176471 | 590 | Bonneville | 19 | us-id-019 | 32 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Idaho | Boundary, Idaho | Boundary County, Idaho | 3.0625 | 591 | Boundary | 21 | us-id-021 | 49 | 0 | 6 | 0 | 0 | 0 | 20 | 9 | 0 | 14 | 0 | |
| Idaho | Butte, Idaho | Butte County, Idaho | 1 | 592 | Butte | 23 | us-id-023 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Idaho | Camas, Idaho | Camas County, Idaho | 2 | 593 | Camas | 25 | us-id-025 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Idaho | Canyon, Idaho | Canyon County, Idaho | 3.9625 | 594 | Canyon | 27 | us-id-027 | 317 | 158 | 43 | 0 | 0 | 15 | 27 | 0 | 0 | 74 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Idaho | Caribou, Idaho | Caribou County, Idaho | 1.125 | 595 | Caribou | 29 | us-id-029 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Idaho | Cassia, Idaho | Cassia County, Idaho | 1.928571429 | 596 | Cassia | 31 | us-id-031 | 27 | 3 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 18 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Idaho | Clearwater, Idaho | Clearwater County, Idaho | 3.230769231 | 597 | Clearwater | 35 | us-id-035 | 42 | 4 | 24 | 0 | 0 | 0 | 0 | 6 | 0 | 8 | 0 | |
| Idaho | Custer, Idaho | Custer County, Idaho | 1.25 | 598 | Custer | 37 | us-id-037 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Idaho | Elmore, Idaho | Elmore County, Idaho | 2.545454545 | 599 | Elmore | 39 | us-id-039 | 56 | 3 | 11 | 0 | 0 | 2 | 0 | 1 | 0 | 39 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Idaho | Franklin, Idaho | Franklin County, Idaho | 2.466666667 | 600 | Franklin | 41 | us-id-041 | 37 | 9 | 9 | 0 | 0 | 1 | 0 | 0 | 0 | 18 | 0 | |
| Idaho | Fremont, Idaho | Fremont County, Idaho | 7.625 | 601 | Fremont | 43 | us-id-043 | 61 | 14 | 0 | 16 | 0 | 23 | 0 | 0 | 0 | 8 | 0 | |
| Idaho | Gem, Idaho | Gem County, Idaho | 3.285714286 | 602 | Gem | 45 | us-id-045 | 23 | 14 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Idaho | Gooding, Idaho | Gooding County, Idaho | 1.142857143 | 603 | Gooding | 47 | us-id-047 | 8 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Idaho | Idaho, Idaho | Idaho County, Idaho | 9.526315789 | 604 | Idaho | 49 | us-id-049 | 181 | 1 | 121 | 0 | 0 | 0 | 0 | 23 | 0 | 36 | 0 | |
| Idaho | Jefferson, Idaho | Jefferson County, Idaho | 0.705882353 | 605 | Jefferson | 51 | us-id-051 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Idaho | Jerome, Idaho | Jerome County, Idaho | 0.428571429 | 606 | Jerome | 53 | us-id-053 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Idaho | Kootenai, Idaho | Kootenai County, Idaho | 1.902912621 | 607 | Kootenai | 55 | us-id-055 | 196 | 18 | 52 | 0 | 1 | 0 | 0 | 0 | 2 | 123 | 0 | chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| Idaho | Latah, Idaho | Latah County, Idaho | 2.173913043 | 608 | Latah | 57 | us-id-057 | 50 | 0 | 16 | 0 | 1 | 0 | 0 | 2 | 0 | 31 | 0 | chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Idaho | Lemhi, Idaho | Lemhi County, Idaho | 2.8 | 609 | Lemhi | 59 | us-id-059 | 14 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 0 | 3 | 0 | |
| Idaho | Lewis, Idaho | Lewis County, Idaho | 3.333333333 | 610 | Lewis | 61 | us-id-061 | 20 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | |
| Idaho | Lincoln, Idaho | Lincoln County, Idaho | 1.25 | 611 | Lincoln | 63 | us-id-063 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Idaho | Madison, Idaho | Madison County, Idaho | 2.285714286 | 612 | Madison | 65 | us-id-065 | 16 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Idaho | Minidoka, Idaho | Minidoka County, Idaho | 2.666666667 | 613 | Minidoka | 67 | us-id-067 | 24 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Idaho | Nez Perce, Idaho | Nez Perce County, Idaho | 5.916666667 | 614 | Nez Perce | 69 | us-id-069 | 71 | 0 | 28 | 0 | 0 | 8 | 0 | 0 | 0 | 35 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Idaho | Oneida, Idaho | Oneida County, Idaho | 1 | 615 | Oneida | 71 | us-id-071 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Idaho | Owyhee, Idaho | Owyhee County, Idaho | 5.375 | 616 | Owyhee | 73 | us-id-073 | 43 | 19 | 8 | 3 | 0 | 2 | 0 | 0 | 0 | 11 | 0 | |
| Idaho | Payette, Idaho | Payette County, Idaho | 19.42857143 | 617 | Payette | 75 | us-id-075 | 136 | 120 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | |
| Idaho | Power, Idaho | Power County, Idaho | 5 | 618 | Power | 77 | us-id-077 | 25 | 6 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | |
| Idaho | Shoshone, Idaho | Shoshone County, Idaho | 0.666666667 | 619 | Shoshone | 79 | us-id-079 | 10 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Idaho | Teton, Idaho | Teton County, Idaho | 0.6 | 620 | Teton | 81 | us-id-081 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Idaho | Twin Falls, Idaho | Twin Falls County, Idaho | 8.923076923 | 621 | Twin Falls | 83 | us-id-083 | 116 | 98 | 0 | 2 | 0 | 1 | 4 | 0 | 0 | 11 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Idaho | Valley, Idaho | Valley County, Idaho | 1 | 622 | Valley | 85 | us-id-085 | 9 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Illinois | Adams, Illinois | Adams County, Illinois | 0.388888889 | 623 | Adams | 1 | us-il-001 | 7 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Bond, Illinois | Bond County, Illinois | 3.111111111 | 624 | Bond | 5 | us-il-005 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | |
| Illinois | Bureau, Illinois | Bureau County, Illinois | 3.791666667 | 625 | Bureau | 11 | us-il-011 | 91 | 12 | 0 | 0 | 2 | 0 | 71 | 3 | 0 | 3 | 0 | |
| Illinois | Calhoun, Illinois | Calhoun County, Illinois | 0.4 | 626 | Calhoun | 13 | us-il-013 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Carroll, Illinois | Carroll County, Illinois | 1 | 627 | Carroll | 15 | us-il-015 | 9 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 1 | 0 | |
| Illinois | Cass, Illinois | Cass County, Illinois | 0.285714286 | 628 | Cass | 17 | us-il-017 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Illinois | Champaign, Illinois | Champaign County, Illinois | 2.216216216 | 629 | Champaign | 19 | us-il-019 | 82 | 63 | 0 | 0 | 3 | 0 | 0 | 7 | 0 | 9 | 0 | chlorate, chloromethane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Christian, Illinois | Christian County, Illinois | 0.071428571 | 630 | Christian | 21 | us-il-021 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Illinois | Clark, Illinois | Clark County, Illinois | 0.166666667 | 631 | Clark | 23 | us-il-023 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Clay, Illinois | Clay County, Illinois | 0.166666667 | 632 | Clay | 25 | us-il-025 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Clinton, Illinois | Clinton County, Illinois | 0.7 | 633 | Clinton | 27 | us-il-027 | 14 | 0 | 5 | 0 | 1 | 0 | 0 | 7 | 0 | 1 | 0 | |
| Illinois | Coles, Illinois | Coles County, Illinois | 0.5 | 634 | Coles | 29 | us-il-029 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Illinois | Cook, Illinois | Cook County, Illinois | 0.383647799 | 635 | Cook | 31 | us-il-031 | 61 | 0 | 0 | 5 | 2 | 0 | 32 | 0 | 0 | 22 | 0 | 1,1-dichloroethane, 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, strontium, testosterone, vanadium |
| Illinois | Cumberland, Illinois | Cumberland County, Illinois | 3.75 | 636 | Cumberland | 35 | us-il-035 | 15 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Illinois | De Witt, Illinois | De Witt County, Illinois | 7 | 637 | De Witt | 39 | us-il-039 | 56 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium, manganese, molybdenum, strontium, vanadium |
| Illinois | DeKalb, Illinois | DeKalb County, Illinois | 1.65 | 638 | DeKalb | 37 | us-il-037 | 33 | 14 | 0 | 0 | 1 | 0 | 18 | 0 | 0 | 0 | 0 | manganese, molybdenum, strontium |
| Illinois | Douglas, Illinois | Douglas County, Illinois | 0.181818182 | 639 | Douglas | 41 | us-il-041 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | DuPage, Illinois | DuPage County, Illinois | 0.12244898 | 640 | DuPage | 43 | us-il-043 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| Illinois | Edgar, Illinois | Edgar County, Illinois | 1.142857143 | 641 | Edgar | 45 | us-il-045 | 8 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Effingham, Illinois | Effingham County, Illinois | 0.333333333 | 642 | Effingham | 49 | us-il-049 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Illinois | Fayette, Illinois | Fayette County, Illinois | 0.777777778 | 643 | Fayette | 51 | us-il-051 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 2 | 0 | |
| Illinois | Ford, Illinois | Ford County, Illinois | 0.454545455 | 644 | Ford | 53 | us-il-053 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Illinois | Franklin, Illinois | Franklin County, Illinois | 0.142857143 | 645 | Franklin | 55 | us-il-055 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Fulton, Illinois | Fulton County, Illinois | 0.777777778 | 646 | Fulton | 57 | us-il-057 | 14 | 0 | 0 | 0 | 0 | 0 | 9 | 1 | 0 | 4 | 0 | 1,4-dioxane, chromium-6, molybdenum, strontium, vanadium |
| Illinois | Gallatin, Illinois | Gallatin County, Illinois | 0.428571429 | 647 | Gallatin | 59 | us-il-059 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Illinois | Greene, Illinois | Greene County, Illinois | 0.6 | 648 | Greene | 61 | us-il-061 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | |
| Illinois | Grundy, Illinois | Grundy County, Illinois | 0.5 | 649 | Grundy | 63 | us-il-063 | 10 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium |
| Illinois | Hancock, Illinois | Hancock County, Illinois | 1.727272727 | 650 | Hancock | 67 | us-il-067 | 19 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 2 | 0 | |
| Illinois | Hardin, Illinois | Hardin County, Illinois | 1.4 | 651 | Hardin | 69 | us-il-069 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | |
| Illinois | Henderson, Illinois | Henderson County, Illinois | 7.142857143 | 652 | Henderson | 71 | us-il-071 | 50 | 0 | 0 | 0 | 1 | 0 | 48 | 0 | 0 | 1 | 0 | |
| Illinois | Henry, Illinois | Henry County, Illinois | 2.692307692 | 653 | Henry | 73 | us-il-073 | 105 | 85 | 0 | 0 | 5 | 0 | 4 | 3 | 0 | 8 | 0 | chlorate, chromium-6, germanium, manganese, strontium |
| Illinois | Iroquois, Illinois | Iroquois County, Illinois | 0.851851852 | 654 | Iroquois | 75 | us-il-075 | 23 | 12 | 0 | 0 | 1 | 2 | 0 | 3 | 0 | 5 | 0 | |
| Illinois | Jackson, Illinois | Jackson County, Illinois | 0.764705882 | 655 | Jackson | 77 | us-il-077 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Illinois | Jasper, Illinois | Jasper County, Illinois | 1 | 656 | Jasper | 79 | us-il-079 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Illinois | Jersey, Illinois | Jersey County, Illinois | 0.75 | 657 | Jersey | 83 | us-il-083 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Illinois | Jo Daviess, Illinois | Jo Daviess County, Illinois | 0.214285714 | 658 | Jo Daviess | 85 | us-il-085 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | |
| Illinois | Johnson, Illinois | Johnson County, Illinois | 0.4 | 659 | Johnson | 87 | us-il-087 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Illinois | Kane, Illinois | Kane County, Illinois | 0.736842105 | 660 | Kane | 89 | us-il-089 | 28 | 0 | 0 | 1 | 3 | 0 | 20 | 0 | 0 | 4 | 0 | 1,1-dichloroethane, 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Illinois | Kankakee, Illinois | Kankakee County, Illinois | 0.9 | 661 | Kankakee | 91 | us-il-091 | 18 | 0 | 8 | 0 | 1 | 0 | 5 | 0 | 0 | 4 | 0 | 1,4-dioxane, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Illinois | Kendall, Illinois | Kendall County, Illinois | 1.888888889 | 662 | Kendall | 93 | us-il-093 | 17 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 1,1-dichloroethane, chlorate, chromium, chromium-6, molybdenum, strontium |
| Illinois | Knox, Illinois | Knox County, Illinois | 0.117647059 | 663 | Knox | 95 | us-il-095 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chromium, chromium-6, PFOA, strontium |
| Illinois | Lake, Illinois | Lake County, Illinois | 0.515151515 | 664 | Lake | 97 | us-il-097 | 51 | 0 | 1 | 0 | 0 | 0 | 37 | 0 | 0 | 13 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, strontium, testosterone, vanadium |
| Illinois | LaSalle, Illinois | LaSalle County, Illinois | 4.421052632 | 665 | LaSalle | 99 | us-il-099 | 168 | 32 | 0 | 0 | 0 | 1 | 126 | 0 | 0 | 9 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Illinois | Lawrence, Illinois | Lawrence County, Illinois | 1.285714286 | 666 | Lawrence | 101 | us-il-101 | 9 | 7 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Lee, Illinois | Lee County, Illinois | 2 | 667 | Lee | 103 | us-il-103 | 32 | 5 | 0 | 0 | 0 | 0 | 13 | 10 | 0 | 4 | 0 | 1,1-dichloroethane, chromium-6, molybdenum, strontium |
| Illinois | Livingston, Illinois | Livingston County, Illinois | 0.071428571 | 668 | Livingston | 105 | us-il-105 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Logan, Illinois | Logan County, Illinois | 0.384615385 | 669 | Logan | 107 | us-il-107 | 5 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | chromium, molybdenum, strontium |
| Illinois | Macon, Illinois | Mason County, Illinois | 1.384615385 | 670 | Macon | 125 | us-il-125 | 18 | 5 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 8 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Illinois | Macoupin, Illinois | Macoupin County, Illinois | 3.709677419 | 671 | Macoupin | 117 | us-il-117 | 115 | 0 | 79 | 0 | 2 | 0 | 0 | 27 | 0 | 7 | 0 | estriol, testosterone |
| Illinois | Madison, Illinois | Madison County, Illinois | 0.684210526 | 672 | Madison | 119 | us-il-119 | 26 | 0 | 3 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Illinois | Marion, Illinois | Marion County, Illinois | 0.25 | 673 | Marion | 121 | us-il-121 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Marshall, Illinois | Marshall County, Illinois | 0.272727273 | 674 | Marshall | 123 | us-il-123 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | |
| Illinois | Mason, Illinois | Macon County, Illinois | 1.833333333 | 675 | Mason | 115 | us-il-115 | 11 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Illinois | Massac, Illinois | Massac County, Illinois | 0.25 | 676 | Massac | 127 | us-il-127 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Illinois | McDonough, Illinois | McDonough County, Illinois | 4.071428571 | 677 | McDonough | 109 | us-il-109 | 57 | 0 | 37 | 0 | 0 | 0 | 0 | 17 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | McHenry, Illinois | McHenry County, Illinois | 0.516129032 | 678 | McHenry | 111 | us-il-111 | 16 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 7 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Illinois | McLean, Illinois | McLean County, Illinois | 2.628571429 | 679 | McLean | 113 | us-il-113 | 92 | 73 | 0 | 0 | 5 | 1 | 0 | 3 | 0 | 10 | 0 | chlorate, chromium, chromium-6, molybdenum, PFOA, strontium, vanadium |
| Illinois | Menard, Illinois | Menard County, Illinois | 0.142857143 | 680 | Menard | 129 | us-il-129 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Mercer, Illinois | Mercer County, Illinois | 0.857142857 | 681 | Mercer | 131 | us-il-131 | 12 | 0 | 0 | 4 | 1 | 0 | 0 | 1 | 0 | 6 | 0 | |
| Illinois | Monroe, Illinois | Monroe County, Illinois | 3.333333333 | 682 | Monroe | 133 | us-il-133 | 20 | 0 | 1 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | |
| Illinois | Montgomery, Illinois | Montgomery County, Illinois | 0.588235294 | 683 | Montgomery | 135 | us-il-135 | 10 | 0 | 4 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0 | |
| Illinois | Morgan, Illinois | Morgan County, Illinois | 1.357142857 | 684 | Morgan | 137 | us-il-137 | 19 | 0 | 12 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 1,4-dioxane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Moultrie, Illinois | Moultrie County, Illinois | 0.142857143 | 685 | Moultrie | 139 | us-il-139 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Ogle, Illinois | Ogle County, Illinois | 0.913043478 | 686 | Ogle | 141 | us-il-141 | 21 | 0 | 0 | 0 | 2 | 0 | 12 | 0 | 0 | 7 | 0 | chromium-6, cobalt, manganese, molybdenum, strontium |
| Illinois | Peoria, Illinois | Peoria County, Illinois | 3.833333333 | 687 | Peoria | 143 | us-il-143 | 92 | 0 | 0 | 0 | 1 | 0 | 86 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Illinois | Perry, Illinois | Perry County, Illinois | 1.8 | 688 | Perry | 145 | us-il-145 | 9 | 0 | 2 | 0 | 0 | 0 | 6 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Piatt, Illinois | Piatt County, Illinois | 2.875 | 689 | Piatt | 147 | us-il-147 | 23 | 16 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Illinois | Pike, Illinois | Pike County, Illinois | 0.153846154 | 690 | Pike | 149 | us-il-149 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Illinois | Pope, Illinois | Pope County, Illinois | 1.5 | 691 | Pope | 151 | us-il-151 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Illinois | Putnam, Illinois | Putnam County, Illinois | 1.75 | 692 | Putnam | 155 | us-il-155 | 14 | 9 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | |
| Illinois | Randolph, Illinois | Randolph County, Illinois | 2.846153846 | 693 | Randolph | 157 | us-il-157 | 37 | 0 | 20 | 0 | 1 | 0 | 1 | 11 | 1 | 3 | 0 | |
| Illinois | Richland, Illinois | Richland County, Illinois | 0.428571429 | 694 | Richland | 159 | us-il-159 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Illinois | Rock Island, Illinois | Rock Island County, Illinois | 0.489795918 | 695 | Rock Island | 161 | us-il-161 | 24 | 0 | 0 | 0 | 1 | 1 | 3 | 3 | 0 | 16 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Illinois | Sangamon, Illinois | Sangamon County, Illinois | 0.558823529 | 696 | Sangamon | 167 | us-il-167 | 19 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Illinois | Schuyler, Illinois | Schuyler County, Illinois | 1.333333333 | 697 | Schuyler | 169 | us-il-169 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Illinois | Scott, Illinois | Scott County, Illinois | 0.5 | 698 | Scott | 171 | us-il-171 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Illinois | Shelby, Illinois | Shelby County, Illinois | 1.8 | 699 | Shelby | 173 | us-il-173 | 18 | 16 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Illinois | St. Clair, Illinois | St. Clair County, Illinois | 0.916666667 | 700 | St. Clair | 163 | us-il-163 | 22 | 0 | 8 | 0 | 2 | 0 | 0 | 12 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Stephenson, Illinois | Stephenson County, Illinois | 0.461538462 | 701 | Stephenson | 177 | us-il-177 | 6 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFOA, PFOS, strontium, vanadium |
| Illinois | Tazewell, Illinois | Tazewell County, Illinois | 1 | 702 | Tazewell | 179 | us-il-179 | 31 | 8 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 17 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Illinois | Union, Illinois | Union County, Illinois | 3.25 | 703 | Union | 181 | us-il-181 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | |
| Illinois | Vermilion, Illinois | Vermilion County, Illinois | 1.6 | 704 | Vermilion | 183 | us-il-183 | 32 | 23 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Illinois | Wabash, Illinois | Wabash County, Illinois | 0.2 | 705 | Wabash | 185 | us-il-185 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Illinois | Warren, Illinois | Warren County, Illinois | 0.666666667 | 706 | Warren | 187 | us-il-187 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | |
| Illinois | Washington, Illinois | Washington County, Illinois | 0.25 | 707 | Washington | 189 | us-il-189 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Illinois | Wayne, Illinois | Wayne County, Illinois | 1.2 | 708 | Wayne | 191 | us-il-191 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 0 | |
| Illinois | Whiteside, Illinois | Whiteside County, Illinois | 0.333333333 | 709 | Whiteside | 195 | us-il-195 | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium |
| Illinois | Will, Illinois | Will County, Illinois | 0.846153846 | 710 | Will | 197 | us-il-197 | 44 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 10 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Illinois | Williamson, Illinois | Williamson County, Illinois | 0.090909091 | 711 | Williamson | 199 | us-il-199 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Illinois | Winnebago, Illinois | Winnebago County, Illinois | 2.935483871 | 712 | Winnebago | 201 | us-il-201 | 91 | 0 | 0 | 0 | 0 | 0 | 85 | 0 | 0 | 6 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, testosterone, vanadium |
| Illinois | Woodford, Illinois | Woodford County, Illinois | 1.333333333 | 713 | Woodford | 203 | us-il-203 | 24 | 14 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 7 | 0 | chloromethane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Indiana | Adams, Indiana | Adams County, Indiana | 0.428571429 | 714 | Adams | 1 | us-in-001 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Indiana | Allen, Indiana | Allen County, Indiana | 0.5 | 715 | Allen | 3 | us-in-003 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | Bartholomew, Indiana | Bartholomew County, Indiana | 1.333333333 | 716 | Bartholomew | 5 | us-in-005 | 8 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, molybdenum, strontium |
| Indiana | Boone, Indiana | Boone County, Indiana | 2.428571429 | 717 | Boone | 11 | us-in-011 | 17 | 2 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 9 | 0 | chlorate, chromium, molybdenum, strontium |
| Indiana | Brown, Indiana | Brown County, Indiana | 0.333333333 | 718 | Brown | 13 | us-in-013 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium |
| Indiana | Carroll, Indiana | Carroll County, Indiana | 0.4 | 719 | Carroll | 15 | us-in-015 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Indiana | Cass, Indiana | Cass County, Indiana | 0.777777778 | 720 | Cass | 17 | us-in-017 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | chromium-6, molybdenum, strontium |
| Indiana | Clark, Indiana | Clark County, Indiana | 1.076923077 | 721 | Clark | 19 | us-in-019 | 14 | 0 | 3 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 0 | 1,4-dioxane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Indiana | Clay, Indiana | Clay County, Indiana | 0.666666667 | 722 | Clay | 21 | us-in-021 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | |
| Indiana | Clinton, Indiana | Clinton County, Indiana | 0.142857143 | 723 | Clinton | 23 | us-in-023 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | molybdenum, strontium |
| Indiana | Decatur, Indiana | Decatur County, Indiana | 5.8 | 724 | Decatur | 31 | us-in-031 | 29 | 0 | 2 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | DeKalb, Indiana | DeKalb County, Indiana | 0.142857143 | 725 | DeKalb | 33 | us-in-033 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, molybdenum, strontium |
| Indiana | Delaware, Indiana | Delaware County, Indiana | 0.692307692 | 726 | Delaware | 35 | us-in-035 | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chromium, chromium-6, molybdenum, strontium |
| Indiana | Dubois, Indiana | Dubois County, Indiana | 2.454545455 | 727 | Dubois | 37 | us-in-037 | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 26 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Indiana | Elkhart, Indiana | Elkhart County, Indiana | 0.8125 | 728 | Elkhart | 39 | us-in-039 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1,4-dioxane, chromium-6, molybdenum, strontium |
| Indiana | Fountain, Indiana | Fountain County, Indiana | 4.6 | 729 | Fountain | 45 | us-in-045 | 23 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Indiana | Fulton, Indiana | Fulton County, Indiana | 0.25 | 730 | Fulton | 49 | us-in-049 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Indiana | Gibson, Indiana | Gibson County, Indiana | 0.222222222 | 731 | Gibson | 51 | us-in-051 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Indiana | Greene, Indiana | Greene County, Indiana | 0.714285714 | 732 | Greene | 55 | us-in-055 | 5 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Indiana | Hamilton, Indiana | Hamilton County, Indiana | 1.588235294 | 733 | Hamilton | 57 | us-in-057 | 27 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Indiana | Hancock, Indiana | Hancock County, Indiana | 0.285714286 | 734 | Hancock | 59 | us-in-059 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, molybdenum, strontium |
| Indiana | Harrison, Indiana | Harrison County, Indiana | 0.166666667 | 735 | Harrison | 61 | us-in-061 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | Hendricks, Indiana | Hendricks County, Indiana | 1.4 | 736 | Hendricks | 63 | us-in-063 | 14 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | Howard, Indiana | Howard County, Indiana | 0.909090909 | 737 | Howard | 67 | us-in-067 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium |
| Indiana | Huntington, Indiana | Huntington County, Indiana | 0.75 | 738 | Huntington | 69 | us-in-069 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0 | molybdenum, strontium |
| Indiana | Jackson, Indiana | Jackson County, Indiana | 0.333333333 | 739 | Jackson | 71 | us-in-071 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, molybdenum, strontium |
| Indiana | Jasper, Indiana | Jasper County, Indiana | 0.375 | 740 | Jasper | 73 | us-in-073 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Indiana | Jennings, Indiana | Jennings County, Indiana | 8 | 741 | Jennings | 79 | us-in-079 | 72 | 0 | 10 | 0 | 0 | 0 | 0 | 61 | 0 | 1 | 0 | |
| Indiana | Johnson, Indiana | Johnson County, Indiana | 0.125 | 742 | Johnson | 81 | us-in-081 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, molybdenum, strontium |
| Indiana | Knox, Indiana | Knox County, Indiana | 0.272727273 | 743 | Knox | 83 | us-in-083 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | Kosciusko, Indiana | Kosciusko County, Indiana | 2.294117647 | 744 | Kosciusko | 85 | us-in-085 | 78 | 26 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 48 | 0 | chlorate, chromium, molybdenum, strontium |
| Indiana | LaGrange, Indiana | LaGrange County, Indiana | 0.75 | 745 | LaGrange | 87 | us-in-087 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Indiana | Lake, Indiana | Lake County, Indiana | 0.571428571 | 746 | Lake | 89 | us-in-089 | 20 | 0 | 6 | 0 | 1 | 0 | 0 | 0 | 1 | 12 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, Aerobic spores, chlorate, chromium, chromium-6, molybdenum, PFHxS, PFOS, strontium, testosterone, vanadium |
| Indiana | LaPorte, Indiana | LaPorte County, Indiana | 0.454545455 | 747 | LaPorte | 91 | us-in-091 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Indiana | Lawrence, Indiana | Lawrence County, Indiana | 3.666666667 | 748 | Lawrence | 93 | us-in-093 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | Marshall, Indiana | Marshall County, Indiana | 0.230769231 | 749 | Marshall | 99 | us-in-099 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | manganese, molybdenum, strontium |
| Indiana | Martin, Indiana | Martin County, Indiana | 0.333333333 | 750 | Martin | 101 | us-in-101 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Indiana | Miami, Indiana | Miami County, Indiana | 2.642857143 | 751 | Miami | 103 | us-in-103 | 37 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 1,1-dichloroethane, molybdenum, strontium |
| Indiana | Monroe, Indiana | Monroe County, Indiana | 1.6 | 752 | Monroe | 105 | us-in-105 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| Indiana | Montgomery, Indiana | Montgomery County, Indiana | 0.2 | 753 | Montgomery | 107 | us-in-107 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, molybdenum, strontium |
| Indiana | Morgan, Indiana | Morgan County, Indiana | 0.416666667 | 754 | Morgan | 109 | us-in-109 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | Noble, Indiana | Noble County, Indiana | 1.769230769 | 755 | Noble | 113 | us-in-113 | 23 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | |
| Indiana | Ohio, Indiana | Ohio County, Indiana | 0.5 | 756 | Ohio | 115 | us-in-115 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Indiana | Parke, Indiana | Parke County, Indiana | 1.857142857 | 757 | Parke | 121 | us-in-121 | 13 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 2 | 0 | chlorate, manganese, molybdenum, strontium |
| Indiana | Perry, Indiana | Perry County, Indiana | 0.5 | 758 | Perry | 123 | us-in-123 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Indiana | Pike, Indiana | Pike County, Indiana | 3 | 759 | Pike | 125 | us-in-125 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | |
| Indiana | Porter, Indiana | Porter County, Indiana | 0.444444444 | 760 | Porter | 127 | us-in-127 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium-6, molybdenum, strontium |
| Indiana | Posey, Indiana | Posey County, Indiana | 4.75 | 761 | Posey | 129 | us-in-129 | 19 | 1 | 1 | 0 | 0 | 0 | 0 | 15 | 0 | 2 | 0 | |
| Indiana | Putnam, Indiana | Putnam County, Indiana | 0.272727273 | 762 | Putnam | 133 | us-in-133 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | molybdenum, strontium |
| Indiana | Randolph, Indiana | Randolph County, Indiana | 0.625 | 763 | Randolph | 135 | us-in-135 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Indiana | Ripley, Indiana | Ripley County, Indiana | 2.375 | 764 | Ripley | 137 | us-in-137 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 1 | 0 | |
| Indiana | Rush, Indiana | Rush County, Indiana | 2.6 | 765 | Rush | 139 | us-in-139 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | |
| Indiana | Scott, Indiana | Scott County, Indiana | 33.5 | 766 | Scott | 143 | us-in-143 | 67 | 0 | 2 | 0 | 0 | 0 | 0 | 64 | 0 | 1 | 0 | 1,4-dioxane, chromium-6, molybdenum, strontium, vanadium |
| Indiana | Shelby, Indiana | Shelby County, Indiana | 0.5 | 767 | Shelby | 145 | us-in-145 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chromium, molybdenum, strontium |
| Indiana | Spencer, Indiana | Spencer County, Indiana | 0.222222222 | 768 | Spencer | 147 | us-in-147 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Indiana | St. Joseph, Indiana | St. Joseph County, Indiana | 1.357142857 | 769 | St. Joseph | 141 | us-in-141 | 19 | 0 | 2 | 0 | 1 | 0 | 0 | 14 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Indiana | Starke, Indiana | Starke County, Indiana | 0.333333333 | 770 | Starke | 149 | us-in-149 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Indiana | Steuben, Indiana | Steuben County, Indiana | 0.833333333 | 771 | Steuben | 151 | us-in-151 | 15 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Indiana | Sullivan, Indiana | Sullivan County, Indiana | 0.2 | 772 | Sullivan | 153 | us-in-153 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Indiana | Tippecanoe, Indiana | Tippecanoe County, Indiana | 1.384615385 | 773 | Tippecanoe | 157 | us-in-157 | 18 | 4 | 0 | 0 | 1 | 6 | 0 | 0 | 0 | 7 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium |
| Indiana | Tipton, Indiana | Tipton County, Indiana | 0.333333333 | 774 | Tipton | 159 | us-in-159 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Indiana | Vanderburgh, Indiana | Vanderburgh County, Indiana | 2.5 | 775 | Vanderburgh | 163 | us-in-163 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Indiana | Vermillion, Indiana | Vermillion County, Indiana | 1.692307692 | 776 | Vermillion | 165 | us-in-165 | 22 | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Indiana | Vigo, Indiana | Vigo County, Indiana | 0.538461538 | 777 | Vigo | 167 | us-in-167 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chromium-6, molybdenum, strontium |
| Indiana | Wabash, Indiana | Wabash County, Indiana | 1.416666667 | 778 | Wabash | 169 | us-in-169 | 17 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | molybdenum, strontium |
| Indiana | Warrick, Indiana | Warrick County, Indiana | 1.714285714 | 779 | Warrick | 173 | us-in-173 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium |
| Indiana | Washington, Indiana | Washington County, Indiana | 10.2 | 780 | Washington | 175 | us-in-175 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 0 | 0 | chromium-6, strontium, vanadium |
| Indiana | Wayne, Indiana | Wayne County, Indiana | 0.461538462 | 781 | Wayne | 177 | us-in-177 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Indiana | White, Indiana | White County, Indiana | 0.545454545 | 782 | White | 181 | us-in-181 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Indiana | Whitley, Indiana | Whitley County, Indiana | 1 | 783 | Whitley | 183 | us-in-183 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Kansas | Allen, Kansas | Allen County, Kansas | 1.5 | 784 | Allen | 1 | us-ks-001 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 7 | 0 | |
| Kansas | Anderson, Kansas | Anderson County, Kansas | 2.571428571 | 785 | Anderson | 3 | us-ks-003 | 18 | 0 | 0 | 0 | 0 | 1 | 0 | 16 | 0 | 1 | 0 | |
| Kansas | Atchison, Kansas | Atchison County, Kansas | 4.125 | 786 | Atchison | 5 | us-ks-005 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | 3 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Barber, Kansas | Barber County, Kansas | 0.111111111 | 787 | Barber | 7 | us-ks-007 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Barton, Kansas | Barton County, Kansas | 1.363636364 | 788 | Barton | 9 | us-ks-009 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, PFHxS, strontium, vanadium |
| Kansas | Bourbon, Kansas | Bourbon County, Kansas | 1 | 789 | Bourbon | 11 | us-ks-011 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | |
| Kansas | Brown, Kansas | Brown County, Kansas | 9.1 | 790 | Brown | 13 | us-ks-013 | 91 | 0 | 0 | 0 | 0 | 87 | 0 | 2 | 0 | 2 | 0 | |
| Kansas | Butler, Kansas | Butler County, Kansas | 1.238095238 | 791 | Butler | 15 | us-ks-015 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 10 | 0 | chromium-6, molybdenum, strontium, vanadium |
| Kansas | Chase, Kansas | Chase County, Kansas | 0.571428571 | 792 | Chase | 17 | us-ks-017 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Kansas | Chautauqua, Kansas | Chautauqua County, Kansas | 1.1 | 793 | Chautauqua | 19 | us-ks-019 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 3 | 0 | |
| Kansas | Cherokee, Kansas | Cherokee County, Kansas | 0.5625 | 794 | Cherokee | 21 | us-ks-021 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 3 | 0 | |
| Kansas | Cheyenne, Kansas | Cheyenne County, Kansas | 1 | 795 | Cheyenne | 23 | us-ks-023 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Kansas | Clark, Kansas | Clark County, Kansas | 12 | 796 | Clark | 25 | us-ks-025 | 36 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Kansas | Clay, Kansas | Clay County, Kansas | 3 | 797 | Clay | 27 | us-ks-027 | 24 | 0 | 1 | 1 | 0 | 3 | 16 | 0 | 0 | 3 | 0 | |
| Kansas | Cloud, Kansas | Cloud County, Kansas | 1.142857143 | 798 | Cloud | 29 | us-ks-029 | 8 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 5 | 0 | |
| Kansas | Coffey, Kansas | Coffey County, Kansas | 0.666666667 | 799 | Coffey | 31 | us-ks-031 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | |
| Kansas | Comanche, Kansas | Comanche County, Kansas | 0.25 | 800 | Comanche | 33 | us-ks-033 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Cowley, Kansas | Cowley County, Kansas | 0.4 | 801 | Cowley | 35 | us-ks-035 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kansas | Crawford, Kansas | Crawford County, Kansas | 0.944444444 | 802 | Crawford | 37 | us-ks-037 | 17 | 0 | 0 | 0 | 0 | 0 | 2 | 13 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Kansas | Decatur, Kansas | Decatur County, Kansas | 18.33333333 | 803 | Decatur | 39 | us-ks-039 | 55 | 24 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 0 | |
| Kansas | Dickinson, Kansas | Dickinson County, Kansas | 3.846153846 | 804 | Dickinson | 41 | us-ks-041 | 50 | 0 | 0 | 0 | 0 | 1 | 0 | 40 | 0 | 9 | 0 | |
| Kansas | Doniphan, Kansas | Doniphan County, Kansas | 2 | 805 | Doniphan | 43 | us-ks-043 | 18 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | 5 | 0 | |
| Kansas | Douglas, Kansas | Douglas County, Kansas | 0.666666667 | 806 | Douglas | 45 | us-ks-045 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Edwards, Kansas | Edwards County, Kansas | 0.5 | 807 | Edwards | 47 | us-ks-047 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Elk, Kansas | Elk County, Kansas | 27.33333333 | 808 | Elk | 49 | us-ks-049 | 164 | 0 | 9 | 0 | 0 | 0 | 0 | 153 | 0 | 2 | 0 | |
| Kansas | Ellis, Kansas | Ellis County, Kansas | 1.384615385 | 809 | Ellis | 51 | us-ks-051 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 14 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Ellsworth, Kansas | Ellsworth County, Kansas | 6 | 810 | Ellsworth | 53 | us-ks-053 | 36 | 0 | 2 | 0 | 0 | 2 | 13 | 17 | 0 | 1 | 1 | |
| Kansas | Finney, Kansas | Finney County, Kansas | 4.833333333 | 811 | Finney | 55 | us-ks-055 | 58 | 0 | 0 | 0 | 0 | 1 | 51 | 0 | 0 | 6 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Kansas | Ford, Kansas | Ford County, Kansas | 2 | 812 | Ford | 57 | us-ks-057 | 10 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Franklin, Kansas | Franklin County, Kansas | 3.285714286 | 813 | Franklin | 59 | us-ks-059 | 46 | 0 | 5 | 0 | 0 | 0 | 0 | 35 | 0 | 6 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Geary, Kansas | Geary County, Kansas | 5.555555556 | 814 | Geary | 61 | us-ks-061 | 50 | 3 | 6 | 0 | 0 | 0 | 0 | 34 | 0 | 7 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Kansas | Gove, Kansas | Gove County, Kansas | 1 | 815 | Gove | 63 | us-ks-063 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | |
| Kansas | Graham, Kansas | Graham County, Kansas | 6.333333333 | 816 | Graham | 65 | us-ks-065 | 19 | 6 | 0 | 0 | 0 | 9 | 2 | 0 | 0 | 2 | 0 | |
| Kansas | Grant, Kansas | Grant County, Kansas | 1.5 | 817 | Grant | 67 | us-ks-067 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Kansas | Greeley, Kansas | Greeley County, Kansas | 3 | 818 | Greeley | 71 | us-ks-071 | 6 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | |
| Kansas | Greenwood, Kansas | Greenwood County, Kansas | 19.44444444 | 819 | Greenwood | 73 | us-ks-073 | 175 | 0 | 34 | 0 | 0 | 0 | 0 | 136 | 0 | 5 | 0 | |
| Kansas | Hamilton, Kansas | Hamilton County, Kansas | 1.333333333 | 820 | Hamilton | 75 | us-ks-075 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | |
| Kansas | Harper, Kansas | Harper County, Kansas | 4.125 | 821 | Harper | 77 | us-ks-077 | 33 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | 2 | 0 | |
| Kansas | Harvey, Kansas | Harvey County, Kansas | 0.3 | 822 | Harvey | 79 | us-ks-079 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Haskell, Kansas | Haskell County, Kansas | 6 | 823 | Haskell | 81 | us-ks-081 | 18 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 5 | 0 | |
| Kansas | Hodgeman, Kansas | Hodgeman County, Kansas | 0.5 | 824 | Hodgeman | 83 | us-ks-083 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Kansas | Jackson, Kansas | Jackson County, Kansas | 1.083333333 | 825 | Jackson | 85 | us-ks-085 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 8 | 0 | |
| Kansas | Jefferson, Kansas | Jefferson County, Kansas | 1 | 826 | Jefferson | 87 | us-ks-087 | 19 | 0 | 0 | 10 | 1 | 0 | 0 | 4 | 0 | 4 | 0 | |
| Kansas | Johnson, Kansas | Johnson County, Kansas | 0.5 | 827 | Johnson | 91 | us-ks-091 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,1-dichloroethane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Kansas | Kearny, Kansas | Kearny County, Kansas | 11.5 | 828 | Kearny | 93 | us-ks-093 | 23 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | |
| Kansas | Kingman, Kansas | Kingman County, Kansas | 6.333333333 | 829 | Kingman | 95 | us-ks-095 | 38 | 0 | 1 | 0 | 0 | 37 | 0 | 0 | 0 | 0 | 0 | |
| Kansas | Kiowa, Kansas | Kiowa County, Kansas | 12.33333333 | 830 | Kiowa | 97 | us-ks-097 | 37 | 0 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Labette, Kansas | Labette County, Kansas | 5.2 | 831 | Labette | 99 | us-ks-099 | 78 | 0 | 6 | 0 | 0 | 0 | 0 | 62 | 0 | 10 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Leavenworth, Kansas | Leavenworth County, Kansas | 0.444444444 | 832 | Leavenworth | 103 | us-ks-103 | 8 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Kansas | Lincoln, Kansas | Lincoln County, Kansas | 13.5 | 833 | Lincoln | 105 | us-ks-105 | 54 | 0 | 0 | 14 | 0 | 17 | 18 | 0 | 0 | 5 | 0 | |
| Kansas | Linn, Kansas | Linn County, Kansas | 4.5 | 834 | Linn | 107 | us-ks-107 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 0 | 8 | 0 | |
| Kansas | Logan, Kansas | Logan County, Kansas | 0.5 | 835 | Logan | 109 | us-ks-109 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | |
| Kansas | Lyon, Kansas | Lyon County, Kansas | 0.416666667 | 836 | Lyon | 111 | us-ks-111 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kansas | Marion, Kansas | McPherson County, Kansas | 2.75 | 837 | Marion | 115 | us-ks-115 | 33 | 0 | 10 | 0 | 0 | 0 | 0 | 16 | 0 | 7 | 0 | |
| Kansas | Marshall, Kansas | Marion County, Kansas | 0.454545455 | 838 | Marshall | 117 | us-ks-117 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kansas | McPherson, Kansas | Marshall County, Kansas | 0.307692308 | 839 | McPherson | 113 | us-ks-113 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Meade, Kansas | Meade County, Kansas | 0.333333333 | 840 | Meade | 119 | us-ks-119 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Miami, Kansas | Miami County, Kansas | 4.888888889 | 841 | Miami | 121 | us-ks-121 | 44 | 0 | 3 | 0 | 0 | 0 | 0 | 37 | 0 | 4 | 0 | 4-androstene-3,17-dione, chromium-6, manganese, molybdenum, strontium, testosterone, vanadium |
| Kansas | Mitchell, Kansas | Mitchell County, Kansas | 12.33333333 | 842 | Mitchell | 123 | us-ks-123 | 111 | 3 | 0 | 8 | 0 | 0 | 0 | 93 | 0 | 7 | 0 | |
| Kansas | Montgomery, Kansas | Montgomery County, Kansas | 5.388888889 | 843 | Montgomery | 125 | us-ks-125 | 97 | 0 | 4 | 0 | 0 | 0 | 0 | 84 | 0 | 9 | 0 | chlorate, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Kansas | Morris, Kansas | Morris County, Kansas | 2.4 | 844 | Morris | 127 | us-ks-127 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | |
| Kansas | Neosho, Kansas | Neosho County, Kansas | 3.133333333 | 845 | Neosho | 133 | us-ks-133 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 0 | 7 | 0 | |
| Kansas | Ness, Kansas | Ness County, Kansas | 0.833333333 | 846 | Ness | 135 | us-ks-135 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | |
| Kansas | Norton, Kansas | Norton County, Kansas | 8.166666667 | 847 | Norton | 137 | us-ks-137 | 49 | 22 | 0 | 0 | 0 | 0 | 3 | 18 | 0 | 6 | 0 | |
| Kansas | Osage, Kansas | Osage County, Kansas | 3.8125 | 848 | Osage | 139 | us-ks-139 | 61 | 0 | 2 | 0 | 0 | 1 | 0 | 53 | 0 | 5 | 0 | |
| Kansas | Osborne, Kansas | Osborne County, Kansas | 1.285714286 | 849 | Osborne | 141 | us-ks-141 | 9 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | 2 | 0 | |
| Kansas | Ottawa, Kansas | Ottawa County, Kansas | 0.285714286 | 850 | Ottawa | 143 | us-ks-143 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Pawnee, Kansas | Pawnee County, Kansas | 3.25 | 851 | Pawnee | 145 | us-ks-145 | 13 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 3 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kansas | Phillips, Kansas | Phillips County, Kansas | 2.111111111 | 852 | Phillips | 147 | us-ks-147 | 19 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 6 | 0 | |
| Kansas | Pottawatomie, Kansas | Pottawatomie County, Kansas | 0.470588235 | 853 | Pottawatomie | 149 | us-ks-149 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Kansas | Pratt, Kansas | Pratt County, Kansas | 0.333333333 | 854 | Pratt | 151 | us-ks-151 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Kansas | Rawlins, Kansas | Rawlins County, Kansas | 6 | 855 | Rawlins | 153 | us-ks-153 | 18 | 14 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | |
| Kansas | Reno, Kansas | Reno County, Kansas | 4.333333333 | 856 | Reno | 155 | us-ks-155 | 78 | 15 | 6 | 0 | 0 | 48 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Republic, Kansas | Republic County, Kansas | 1.1 | 857 | Republic | 157 | us-ks-157 | 11 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Kansas | Rice, Kansas | Rice County, Kansas | 1.125 | 858 | Rice | 159 | us-ks-159 | 9 | 0 | 2 | 0 | 0 | 3 | 2 | 0 | 0 | 2 | 0 | |
| Kansas | Riley, Kansas | Riley County, Kansas | 0.571428571 | 859 | Riley | 161 | us-ks-161 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Rooks, Kansas | Rooks County, Kansas | 3.5 | 860 | Rooks | 163 | us-ks-163 | 28 | 0 | 0 | 0 | 1 | 9 | 14 | 0 | 0 | 4 | 0 | |
| Kansas | Rush, Kansas | Rush County, Kansas | 4.777777778 | 861 | Rush | 165 | us-ks-165 | 43 | 0 | 1 | 19 | 0 | 0 | 18 | 0 | 0 | 5 | 0 | |
| Kansas | Russell, Kansas | Russell County, Kansas | 0.666666667 | 862 | Russell | 167 | us-ks-167 | 8 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Kansas | Saline, Kansas | Saline County, Kansas | 1 | 863 | Saline | 169 | us-ks-169 | 13 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Scott, Kansas | Scott County, Kansas | 20 | 864 | Scott | 171 | us-ks-171 | 20 | 12 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | |
| Kansas | Sedgwick, Kansas | Sedgwick County, Kansas | 1.375 | 865 | Sedgwick | 173 | us-ks-173 | 33 | 0 | 1 | 0 | 0 | 21 | 0 | 0 | 0 | 11 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Seward, Kansas | Seward County, Kansas | 0.5 | 866 | Seward | 175 | us-ks-175 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Kansas | Shawnee, Kansas | Shawnee County, Kansas | 3.444444444 | 867 | Shawnee | 177 | us-ks-177 | 31 | 0 | 0 | 0 | 2 | 0 | 0 | 27 | 0 | 2 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Kansas | Sherman, Kansas | Sherman County, Kansas | 7 | 868 | Sherman | 181 | us-ks-181 | 14 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | |
| Kansas | Smith, Kansas | Smith County, Kansas | 4.6 | 869 | Smith | 183 | us-ks-183 | 23 | 7 | 0 | 0 | 2 | 0 | 10 | 3 | 0 | 1 | 0 | |
| Kansas | Stafford, Kansas | Stafford County, Kansas | 2.666666667 | 870 | Stafford | 185 | us-ks-185 | 8 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Sumner, Kansas | Sumner County, Kansas | 7.5 | 871 | Sumner | 191 | us-ks-191 | 135 | 33 | 6 | 0 | 0 | 74 | 0 | 9 | 0 | 13 | 0 | |
| Kansas | Thomas, Kansas | Thomas County, Kansas | 7 | 872 | Thomas | 193 | us-ks-193 | 21 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 4 | 0 | |
| Kansas | Wabaunsee, Kansas | Wabaunsee County, Kansas | 2 | 873 | Wabaunsee | 197 | us-ks-197 | 20 | 0 | 5 | 0 | 0 | 0 | 0 | 14 | 0 | 1 | 0 | |
| Kansas | Wallace, Kansas | Wallace County, Kansas | 1 | 874 | Wallace | 199 | us-ks-199 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Kansas | Washington, Kansas | Washington County, Kansas | 2.666666667 | 875 | Washington | 201 | us-ks-201 | 32 | 0 | 0 | 0 | 1 | 15 | 14 | 0 | 0 | 2 | 0 | |
| Kansas | Wichita, Kansas | Wichita County, Kansas | 15 | 876 | Wichita | 203 | us-ks-203 | 15 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 1 | 0 | |
| Kansas | Wilson, Kansas | Wilson County, Kansas | 7.411764706 | 877 | Wilson | 205 | us-ks-205 | 126 | 0 | 27 | 0 | 0 | 0 | 0 | 91 | 0 | 8 | 0 | |
| Kansas | Woodson, Kansas | Woodson County, Kansas | 0.333333333 | 878 | Woodson | 207 | us-ks-207 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Kentucky | Adair, Kentucky | Adair County, Kentucky | 3 | 879 | Adair | 1 | us-ky-001 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Kentucky | Allen, Kentucky | Allen County, Kentucky | 1.5 | 880 | Allen | 3 | us-ky-003 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Anderson, Kentucky | Anderson County, Kentucky | 2 | 881 | Anderson | 5 | us-ky-005 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Ballard, Kentucky | Ballard County, Kentucky | 0.75 | 882 | Ballard | 7 | us-ky-007 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kentucky | Barren, Kentucky | Barren County, Kentucky | 0.333333333 | 883 | Barren | 9 | us-ky-009 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Bath, Kentucky | Bath County, Kentucky | 3.666666667 | 884 | Bath | 11 | us-ky-011 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kentucky | Bell, Kentucky | Bell County, Kentucky | 1 | 885 | Bell | 13 | us-ky-013 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium |
| Kentucky | Boone, Kentucky | Boone County, Kentucky | 0.285714286 | 886 | Boone | 15 | us-ky-015 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Bourbon, Kentucky | Bourbon County, Kentucky | 10.33333333 | 887 | Bourbon | 17 | us-ky-017 | 31 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 0 | 2 | 1 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Boyd, Kentucky | Boyd County, Kentucky | 9.333333333 | 888 | Boyd | 19 | us-ky-019 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Boyle, Kentucky | Boyle County, Kentucky | 6 | 889 | Boyle | 21 | us-ky-021 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Bracken, Kentucky | Bracken County, Kentucky | 0.333333333 | 890 | Bracken | 23 | us-ky-023 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kentucky | Breathitt, Kentucky | Breathitt County, Kentucky | 0.333333333 | 891 | Breathitt | 25 | us-ky-025 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kentucky | Breckinridge, Kentucky | Breckinridge County, Kentucky | 0.333333333 | 892 | Breckinridge | 27 | us-ky-027 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| Kentucky | Bullitt, Kentucky | Bullitt County, Kentucky | 0.5 | 893 | Bullitt | 29 | us-ky-029 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Butler, Kentucky | Butler County, Kentucky | 1.5 | 894 | Butler | 31 | us-ky-031 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chromium, chromium-6, strontium, vanadium |
| Kentucky | Caldwell, Kentucky | Caldwell County, Kentucky | 2.666666667 | 895 | Caldwell | 33 | us-ky-033 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Kentucky | Calloway, Kentucky | Calloway County, Kentucky | 0.25 | 896 | Calloway | 35 | us-ky-035 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | strontium |
| Kentucky | Carroll, Kentucky | Carroll County, Kentucky | 0.2 | 897 | Carroll | 41 | us-ky-041 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kentucky | Carter, Kentucky | Carter County, Kentucky | 3.333333333 | 898 | Carter | 43 | us-ky-043 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium |
| Kentucky | Casey, Kentucky | Casey County, Kentucky | 3.5 | 899 | Casey | 45 | us-ky-045 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Christian, Kentucky | Christian County, Kentucky | 1.25 | 900 | Christian | 47 | us-ky-047 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Clark, Kentucky | Clark County, Kentucky | 3 | 901 | Clark | 49 | us-ky-049 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Clay, Kentucky | Clay County, Kentucky | 4.5 | 902 | Clay | 51 | us-ky-051 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | chromium, chromium-6, strontium |
| Kentucky | Clinton, Kentucky | Clinton County, Kentucky | 7 | 903 | Clinton | 53 | us-ky-053 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | chromium-6, strontium, vanadium |
| Kentucky | Crittenden, Kentucky | Crittenden County, Kentucky | 1 | 904 | Crittenden | 55 | us-ky-055 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Kentucky | Cumberland, Kentucky | Cumberland County, Kentucky | 8 | 905 | Cumberland | 57 | us-ky-057 | 16 | 0 | 2 | 0 | 0 | 0 | 0 | 12 | 0 | 2 | 0 | |
| Kentucky | Daviess, Kentucky | Daviess County, Kentucky | 0.5 | 906 | Daviess | 59 | us-ky-059 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Edmonson, Kentucky | Edmonson County, Kentucky | 4 | 907 | Edmonson | 61 | us-ky-061 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Estill, Kentucky | Estill County, Kentucky | 2.5 | 908 | Estill | 65 | us-ky-065 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| Kentucky | Fayette, Kentucky | Fayette County, Kentucky | 1.5 | 909 | Fayette | 67 | us-ky-067 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Fleming, Kentucky | Fleming County, Kentucky | 0.666666667 | 910 | Fleming | 69 | us-ky-069 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Floyd, Kentucky | Floyd County, Kentucky | 6 | 911 | Floyd | 71 | us-ky-071 | 30 | 0 | 3 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | chlorate, chromium-6, strontium, vanadium |
| Kentucky | Franklin, Kentucky | Franklin County, Kentucky | 0.6 | 912 | Franklin | 73 | us-ky-073 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Kentucky | Gallatin, Kentucky | Gallatin County, Kentucky | 0.5 | 913 | Gallatin | 77 | us-ky-077 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Kentucky | Garrard, Kentucky | Garrard County, Kentucky | 1.5 | 914 | Garrard | 79 | us-ky-079 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Grant, Kentucky | Grant County, Kentucky | 7.75 | 915 | Grant | 81 | us-ky-081 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | 0 | 0 | chromium, chromium-6, strontium |
| Kentucky | Graves, Kentucky | Graves County, Kentucky | 0.333333333 | 916 | Graves | 83 | us-ky-083 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium |
| Kentucky | Grayson, Kentucky | Grayson County, Kentucky | 1 | 917 | Grayson | 85 | us-ky-085 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chlorate, chromium-6, strontium, vanadium |
| Kentucky | Green, Kentucky | Green County, Kentucky | 5.5 | 918 | Green | 87 | us-ky-087 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Kentucky | Greenup, Kentucky | Greenup County, Kentucky | 5.571428571 | 919 | Greenup | 89 | us-ky-089 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 5 | 0 | 1,4-dioxane, chlorate, strontium |
| Kentucky | Hardin, Kentucky | Hardin County, Kentucky | 0.2 | 920 | Hardin | 93 | us-ky-093 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Harlan, Kentucky | Harlan County, Kentucky | 1.4375 | 921 | Harlan | 95 | us-ky-095 | 23 | 0 | 3 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Kentucky | Harrison, Kentucky | Harrison County, Kentucky | 2.5 | 922 | Harrison | 97 | us-ky-097 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Hart, Kentucky | Hart County, Kentucky | 0.25 | 923 | Hart | 99 | us-ky-099 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, testosterone, vanadium |
| Kentucky | Henderson, Kentucky | Henderson County, Kentucky | 1 | 924 | Henderson | 101 | us-ky-101 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Henry, Kentucky | Henry County, Kentucky | 0.333333333 | 925 | Henry | 103 | us-ky-103 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, molybdenum, strontium |
| Kentucky | Hopkins, Kentucky | Hopkins County, Kentucky | 5.6 | 926 | Hopkins | 107 | us-ky-107 | 56 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | 5 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Jackson, Kentucky | Jackson County, Kentucky | 10 | 927 | Jackson | 109 | us-ky-109 | 20 | 0 | 7 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium |
| Kentucky | Jessamine, Kentucky | Jessamine County, Kentucky | 2 | 928 | Jessamine | 113 | us-ky-113 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | chlorate, chromium-6, strontium, vanadium |
| Kentucky | Johnson, Kentucky | Johnson County, Kentucky | 6 | 929 | Johnson | 115 | us-ky-115 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | chlorate, chromium-6, strontium |
| Kentucky | Knott, Kentucky | Knott County, Kentucky | 0.333333333 | 930 | Knott | 119 | us-ky-119 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Kentucky | Knox, Kentucky | Knox County, Kentucky | 0.5 | 931 | Knox | 121 | us-ky-121 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, strontium |
| Kentucky | Larue, Kentucky | Larue County, Kentucky | 9 | 932 | Larue | 123 | us-ky-123 | 18 | 0 | 1 | 0 | 0 | 0 | 0 | 14 | 0 | 3 | 0 | |
| Kentucky | Laurel, Kentucky | Laurel County, Kentucky | 0.4 | 933 | Laurel | 125 | us-ky-125 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Kentucky | Lee, Kentucky | Lawrence County, Kentucky | 17 | 934 | Lee | 127 | us-ky-127 | 17 | 0 | 1 | 0 | 0 | 0 | 0 | 14 | 0 | 2 | 0 | |
| Kentucky | Letcher, Kentucky | Lee County, Kentucky | 7.25 | 935 | Letcher | 129 | us-ky-129 | 29 | 0 | 3 | 0 | 0 | 0 | 0 | 24 | 0 | 2 | 0 | |
| Kentucky | Lincoln, Kentucky | Letcher County, Kentucky | 2.25 | 936 | Lincoln | 133 | us-ky-133 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| Kentucky | Livingston, Kentucky | Lincoln County, Kentucky | 0.8 | 937 | Livingston | 137 | us-ky-137 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | |
| Kentucky | Logan, Kentucky | Livingston County, Kentucky | 1.571428571 | 938 | Logan | 139 | us-ky-139 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 0 | |
| Kentucky | Lyon, Kentucky | Logan County, Kentucky | 5 | 939 | Lyon | 141 | us-ky-141 | 20 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 3 | 0 | |
| Kentucky | Madison, Kentucky | Lyon County, Kentucky | 1.4 | 940 | Madison | 143 | us-ky-143 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Magoffin, Kentucky | Magoffin County, Kentucky | 15.5 | 941 | Magoffin | 153 | us-ky-153 | 31 | 0 | 9 | 0 | 0 | 0 | 0 | 21 | 0 | 1 | 0 | |
| Kentucky | Marion, Kentucky | Marion County, Kentucky | 4.5 | 942 | Marion | 155 | us-ky-155 | 9 | 0 | 4 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Kentucky | Marshall, Kentucky | Marshall County, Kentucky | 0.4 | 943 | Marshall | 157 | us-ky-157 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Martin, Kentucky | Martin County, Kentucky | 32 | 944 | Martin | 159 | us-ky-159 | 32 | 0 | 2 | 0 | 0 | 0 | 0 | 29 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Mason, Kentucky | Mason County, Kentucky | 0.75 | 945 | Mason | 161 | us-ky-161 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | McCracken, Kentucky | McCracken County, Kentucky | 1 | 946 | McCracken | 145 | us-ky-145 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | McLean, Kentucky | McLean County, Kentucky | 5.8 | 947 | McLean | 149 | us-ky-149 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | |
| Kentucky | Meade, Kentucky | Meade County, Kentucky | 0.25 | 948 | Meade | 163 | us-ky-163 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Menifee, Kentucky | Menifee County, Kentucky | 1 | 949 | Menifee | 165 | us-ky-165 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Kentucky | Mercer, Kentucky | Mercer County, Kentucky | 2.5 | 950 | Mercer | 167 | us-ky-167 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Metcalfe, Kentucky | Metcalfe County, Kentucky | 5 | 951 | Metcalfe | 169 | us-ky-169 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | |
| Kentucky | Monroe, Kentucky | Monroe County, Kentucky | 2 | 952 | Monroe | 171 | us-ky-171 | 6 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, manganese, strontium, vanadium |
| Kentucky | Montgomery, Kentucky | Montgomery County, Kentucky | 3.666666667 | 953 | Montgomery | 173 | us-ky-173 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Morgan, Kentucky | Morgan County, Kentucky | 3 | 954 | Morgan | 175 | us-ky-175 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | |
| Kentucky | Muhlenberg, Kentucky | Muhlenberg County, Kentucky | 0.6 | 955 | Muhlenberg | 177 | us-ky-177 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Nelson, Kentucky | Nelson County, Kentucky | 5 | 956 | Nelson | 179 | us-ky-179 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kentucky | Nicholas, Kentucky | Nicholas County, Kentucky | 12.66666667 | 957 | Nicholas | 181 | us-ky-181 | 38 | 0 | 1 | 0 | 0 | 0 | 0 | 36 | 0 | 1 | 0 | |
| Kentucky | Ohio, Kentucky | Ohio County, Kentucky | 6.833333333 | 958 | Ohio | 183 | us-ky-183 | 41 | 0 | 1 | 1 | 0 | 0 | 0 | 34 | 1 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Oldham, Kentucky | Oldham County, Kentucky | 1 | 959 | Oldham | 185 | us-ky-185 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kentucky | Owsley, Kentucky | Owsley County, Kentucky | 15 | 960 | Owsley | 189 | us-ky-189 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | |
| Kentucky | Pendleton, Kentucky | Pendleton County, Kentucky | 2 | 961 | Pendleton | 191 | us-ky-191 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 5 | 0 | chromium, chromium-6, PFOS, strontium, vanadium |
| Kentucky | Perry, Kentucky | Perry County, Kentucky | 5.666666667 | 962 | Perry | 193 | us-ky-193 | 17 | 0 | 1 | 0 | 0 | 0 | 0 | 15 | 0 | 1 | 0 | chlorate, chromium-6, strontium, vanadium |
| Kentucky | Pike, Kentucky | Pike County, Kentucky | 8.333333333 | 963 | Pike | 195 | us-ky-195 | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Powell, Kentucky | Powell County, Kentucky | 0.5 | 964 | Powell | 197 | us-ky-197 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Kentucky | Pulaski, Kentucky | Pulaski County, Kentucky | 1.75 | 965 | Pulaski | 199 | us-ky-199 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 5 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Robertson, Kentucky | Robertson County, Kentucky | 6 | 966 | Robertson | 201 | us-ky-201 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | |
| Kentucky | Rockcastle, Kentucky | Rockcastle County, Kentucky | 0.6 | 967 | Rockcastle | 203 | us-ky-203 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Kentucky | Rowan, Kentucky | Rowan County, Kentucky | 8.333333333 | 968 | Rowan | 205 | us-ky-205 | 25 | 0 | 2 | 0 | 0 | 0 | 0 | 18 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium |
| Kentucky | Russell, Kentucky | Russell County, Kentucky | 6.5 | 969 | Russell | 207 | us-ky-207 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Kentucky | Shelby, Kentucky | Shelby County, Kentucky | 1.75 | 970 | Shelby | 211 | us-ky-211 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Kentucky | Simpson, Kentucky | Simpson County, Kentucky | 0.5 | 971 | Simpson | 213 | us-ky-213 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, strontium, vanadium |
| Kentucky | Taylor, Kentucky | Taylor County, Kentucky | 1 | 972 | Taylor | 217 | us-ky-217 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Todd, Kentucky | Todd County, Kentucky | 0.4 | 973 | Todd | 219 | us-ky-219 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Kentucky | Trigg, Kentucky | Trigg County, Kentucky | 0.5 | 974 | Trigg | 221 | us-ky-221 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Union, Kentucky | Union County, Kentucky | 12.5 | 975 | Union | 225 | us-ky-225 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 47 | 0 | 3 | 0 | |
| Kentucky | Warren, Kentucky | Warren County, Kentucky | 2.5 | 976 | Warren | 227 | us-ky-227 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Wayne, Kentucky | Wayne County, Kentucky | 3 | 977 | Wayne | 231 | us-ky-231 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Kentucky | Webster, Kentucky | Webster County, Kentucky | 5.333333333 | 978 | Webster | 233 | us-ky-233 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 3 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Kentucky | Whitley, Kentucky | Whitley County, Kentucky | 0.2 | 979 | Whitley | 235 | us-ky-235 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium-6, strontium |
| Kentucky | Wolfe, Kentucky | Wolfe County, Kentucky | 21 | 980 | Wolfe | 237 | us-ky-237 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 0 | 0 | |
| Kentucky | Woodford, Kentucky | Woodford County, Kentucky | 1.25 | 981 | Woodford | 239 | us-ky-239 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Acadia Parish, Louisiana | Acadia Parish, Louisiana | 1.384615385 | 982 | Acadia Parish | 1 | us-la-001 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 11 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, manganese, strontium, vanadium |
| Louisiana | Allen Parish, Louisiana | Allen Parish, Louisiana | 1.8 | 983 | Allen Parish | 3 | us-la-003 | 18 | 2 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 4 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Louisiana | Ascension Parish, Louisiana | Ascension Parish, Louisiana | 2.518518519 | 984 | Ascension Parish | 5 | us-la-005 | 68 | 0 | 6 | 0 | 0 | 0 | 0 | 28 | 0 | 34 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Assumption Parish, Louisiana | Assumption Parish, Louisiana | 22 | 985 | Assumption Parish | 7 | us-la-007 | 22 | 0 | 4 | 0 | 0 | 0 | 0 | 7 | 0 | 11 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Avoyelles Parish, Louisiana | Avoyelles Parish, Louisiana | 1.176470588 | 986 | Avoyelles Parish | 9 | us-la-009 | 20 | 0 | 2 | 0 | 0 | 0 | 0 | 15 | 0 | 3 | 0 | |
| Louisiana | Beauregard Parish, Louisiana | Beauregard Parish, Louisiana | 1.666666667 | 987 | Beauregard Parish | 11 | us-la-011 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Bienville Parish, Louisiana | Bienville Parish, Louisiana | 2.52173913 | 988 | Bienville Parish | 13 | us-la-013 | 58 | 0 | 9 | 0 | 0 | 0 | 0 | 32 | 0 | 17 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Louisiana | Bossier Parish, Louisiana | Bossier Parish, Louisiana | 3.772727273 | 989 | Bossier Parish | 15 | us-la-015 | 83 | 0 | 5 | 0 | 1 | 0 | 0 | 33 | 0 | 44 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, strontium, vanadium |
| Louisiana | Caddo Parish, Louisiana | Caddo Parish, Louisiana | 4.904761905 | 990 | Caddo Parish | 17 | us-la-017 | 206 | 0 | 9 | 0 | 3 | 0 | 0 | 151 | 0 | 43 | 0 | chlorate, chromium, chromium-6, strontium, testosterone, vanadium |
| Louisiana | Calcasieu Parish, Louisiana | Calcasieu Parish, Louisiana | 0.975609756 | 991 | Calcasieu Parish | 19 | us-la-019 | 40 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 0 | chlorate, chloromethane, chromium, chromium-6, manganese, molybdenum, strontium |
| Louisiana | Caldwell Parish, Louisiana | Caldwell Parish, Louisiana | 2.454545455 | 992 | Caldwell Parish | 21 | us-la-021 | 27 | 0 | 2 | 0 | 0 | 0 | 0 | 18 | 0 | 7 | 0 | |
| Louisiana | Cameron Parish, Louisiana | Cameron Parish, Louisiana | 2.714285714 | 993 | Cameron Parish | 23 | us-la-023 | 19 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 2 | 0 | bromomethane, chloromethane, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium |
| Louisiana | Catahoula Parish, Louisiana | Catahoula Parish, Louisiana | 0.888888889 | 994 | Catahoula Parish | 25 | us-la-025 | 8 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | |
| Louisiana | Claiborne Parish, Louisiana | Claiborne Parish, Louisiana | 0.923076923 | 995 | Claiborne Parish | 27 | us-la-027 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 7 | 0 | |
| Louisiana | Concordia Parish, Louisiana | Concordia Parish, Louisiana | 23.25 | 996 | Concordia Parish | 29 | us-la-029 | 186 | 0 | 5 | 0 | 0 | 0 | 0 | 173 | 0 | 8 | 0 | |
| Louisiana | De Soto Parish, Louisiana | De Soto Parish, Louisiana | 6.090909091 | 997 | De Soto Parish | 31 | us-la-031 | 67 | 0 | 1 | 0 | 0 | 0 | 0 | 43 | 0 | 23 | 0 | bromomethane, chloromethane, chromium-6, manganese, strontium, vanadium |
| Louisiana | East Baton Rouge Parish, Louisiana | East Baton Rouge Parish, Louisiana | 0.8 | 998 | East Baton Rouge Parish | 33 | us-la-033 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Louisiana | East Carroll Parish, Louisiana | East Carroll Parish, Louisiana | 0.25 | 999 | East Carroll Parish | 35 | us-la-035 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Louisiana | East Feliciana Parish, Louisiana | East Feliciana Parish, Louisiana | 0.9375 | 1000 | East Feliciana Parish | 37 | us-la-037 | 15 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 11 | 0 | |
| Louisiana | Evangeline Parish, Louisiana | Evangeline Parish, Louisiana | 2.714285714 | 1001 | Evangeline Parish | 39 | us-la-039 | 38 | 0 | 3 | 0 | 0 | 0 | 0 | 26 | 0 | 9 | 0 | chromium-6, manganese, molybdenum, strontium, vanadium |
| Louisiana | Franklin Parish, Louisiana | Franklin Parish, Louisiana | 0.25 | 1002 | Franklin Parish | 41 | us-la-041 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Louisiana | Grant Parish, Louisiana | Grant Parish, Louisiana | 5.461538462 | 1003 | Grant Parish | 43 | us-la-043 | 71 | 0 | 4 | 0 | 0 | 0 | 0 | 57 | 0 | 10 | 0 | |
| Louisiana | Iberia Parish, Louisiana | Iberia Parish, Louisiana | 1.222222222 | 1004 | Iberia Parish | 45 | us-la-045 | 11 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Iberville Parish, Louisiana | Iberville Parish, Louisiana | 1.333333333 | 1005 | Iberville Parish | 47 | us-la-047 | 16 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, chromium, manganese, molybdenum, strontium, vanadium |
| Louisiana | Jackson Parish, Louisiana | Jackson Parish, Louisiana | 4.416666667 | 1006 | Jackson Parish | 49 | us-la-049 | 106 | 0 | 7 | 0 | 0 | 0 | 0 | 89 | 0 | 10 | 0 | |
| Louisiana | Jefferson Parish, Louisiana | Jefferson Parish, Louisiana | 3 | 1007 | Jefferson Parish | 51 | us-la-051 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Jefferson Davis Parish, Louisiana | Jefferson Davis Parish, Louisiana | 1.25 | 1008 | Jefferson Davis Parish | 53 | us-la-053 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 7 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Louisiana | Lafayette Parish, Louisiana | Lafayette Parish, Louisiana | 1.210526316 | 1009 | Lafayette Parish | 55 | us-la-055 | 69 | 33 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 25 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Louisiana | Lafourche Parish, Louisiana | Lafourche Parish, Louisiana | 1 | 1010 | Lafourche Parish | 57 | us-la-057 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Lincoln Parish, Louisiana | Lincoln Parish, Louisiana | 1.952380952 | 1011 | Lincoln Parish | 61 | us-la-061 | 41 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 0 | 13 | 0 | chromium-6, Halon 1011, manganese, strontium, vanadium |
| Louisiana | Livingston Parish, Louisiana | Livingston Parish, Louisiana | 0.742857143 | 1012 | Livingston Parish | 63 | us-la-063 | 26 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 1,1-dichloroethane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Louisiana | Madison Parish, Louisiana | Madison Parish, Louisiana | 3 | 1013 | Madison Parish | 65 | us-la-065 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 0 | |
| Louisiana | Morehouse Parish, Louisiana | Morehouse Parish, Louisiana | 3 | 1014 | Morehouse Parish | 67 | us-la-067 | 45 | 0 | 4 | 0 | 1 | 0 | 0 | 20 | 0 | 20 | 0 | chromium, chromium-6, strontium, vanadium |
| Louisiana | Natchitoches Parish, Louisiana | Natchitoches Parish, Louisiana | 4 | 1015 | Natchitoches Parish | 69 | us-la-069 | 60 | 0 | 2 | 0 | 0 | 0 | 0 | 50 | 0 | 8 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Orleans Parish, Louisiana | Orleans Parish, Louisiana | 1 | 1016 | Orleans Parish | 71 | us-la-071 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Ouachita Parish, Louisiana | Ouachita Parish, Louisiana | 5.965517241 | 1017 | Ouachita Parish | 73 | us-la-073 | 173 | 0 | 5 | 0 | 0 | 0 | 0 | 141 | 0 | 27 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, strontium, vanadium |
| Louisiana | Plaquemines Parish, Louisiana | Plaquemines Parish, Louisiana | 8.5 | 1018 | Plaquemines Parish | 75 | us-la-075 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Pointe Coupee Parish, Louisiana | Pointe Coupee Parish, Louisiana | 1.25 | 1019 | Pointe Coupee Parish | 77 | us-la-077 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | |
| Louisiana | Rapides Parish, Louisiana | Rapides Parish, Louisiana | 2.739130435 | 1020 | Rapides Parish | 79 | us-la-079 | 63 | 45 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, cobalt, germanium, Halon 1011, manganese, molybdenum, strontium |
| Louisiana | Red River Parish, Louisiana | Red River Parish, Louisiana | 6.545454545 | 1021 | Red River Parish | 81 | us-la-081 | 72 | 0 | 3 | 0 | 0 | 0 | 0 | 62 | 0 | 7 | 0 | |
| Louisiana | Richland Parish, Louisiana | Richland Parish, Louisiana | 2.181818182 | 1022 | Richland Parish | 83 | us-la-083 | 24 | 0 | 2 | 0 | 0 | 0 | 0 | 11 | 0 | 11 | 0 | |
| Louisiana | Sabine Parish, Louisiana | Sabine Parish, Louisiana | 9.058823529 | 1023 | Sabine Parish | 85 | us-la-085 | 154 | 0 | 4 | 0 | 0 | 0 | 0 | 134 | 0 | 16 | 0 | |
| Louisiana | St. Bernard Parish, Louisiana | St. Bernard Parish, Louisiana | 14 | 1024 | St. Bernard Parish | 87 | us-la-087 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | St. Charles Parish, Louisiana | St. Charles Parish, Louisiana | 0.5 | 1025 | St. Charles Parish | 89 | us-la-089 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | St. James Parish, Louisiana | St. James Parish, Louisiana | 11.25 | 1026 | St. James Parish | 93 | us-la-093 | 45 | 0 | 2 | 0 | 0 | 0 | 0 | 41 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Louisiana | St. John the Baptist Parish, Louisiana | St. John the Baptist Parish, Louisiana | 10.25 | 1027 | St. John the Baptist Parish | 95 | us-la-095 | 41 | 0 | 3 | 0 | 0 | 0 | 0 | 34 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | St. Landry Parish, Louisiana | St. Landry Parish, Louisiana | 1.766666667 | 1028 | St. Landry Parish | 97 | us-la-097 | 53 | 0 | 6 | 0 | 0 | 0 | 0 | 20 | 0 | 27 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Louisiana | St. Martin Parish, Louisiana | St. Martin Parish, Louisiana | 6.5 | 1029 | St. Martin Parish | 99 | us-la-099 | 104 | 60 | 6 | 0 | 0 | 0 | 0 | 12 | 0 | 26 | 0 | chlorate, chloromethane, chromium-6, manganese, molybdenum, strontium |
| Louisiana | St. Mary Parish, Louisiana | St. Mary Parish, Louisiana | 3.692307692 | 1030 | St. Mary Parish | 101 | us-la-101 | 48 | 0 | 3 | 0 | 0 | 0 | 0 | 35 | 0 | 10 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | St. Tammany Parish, Louisiana | St. Tammany Parish, Louisiana | 0.62745098 | 1031 | St. Tammany Parish | 103 | us-la-103 | 64 | 0 | 9 | 0 | 0 | 0 | 0 | 2 | 0 | 53 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Louisiana | Tangipahoa Parish, Louisiana | Tangipahoa Parish, Louisiana | 1.185185185 | 1032 | Tangipahoa Parish | 105 | us-la-105 | 32 | 0 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 26 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Tensas Parish, Louisiana | Tensas Parish, Louisiana | 1.4 | 1033 | Tensas Parish | 107 | us-la-107 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | chlorate, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Louisiana | Terrebonne Parish, Louisiana | Terrebonne Parish, Louisiana | 0.5 | 1034 | Terrebonne Parish | 109 | us-la-109 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Louisiana | Union Parish, Louisiana | Union Parish, Louisiana | 13.90909091 | 1035 | Union Parish | 111 | us-la-111 | 306 | 0 | 6 | 0 | 0 | 0 | 0 | 291 | 0 | 9 | 0 | |
| Louisiana | Vermilion Parish, Louisiana | Vermilion Parish, Louisiana | 3.6 | 1036 | Vermilion Parish | 113 | us-la-113 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 7 | 0 | bromomethane, chloromethane, chromium, chromium-6, strontium, vanadium |
| Louisiana | Vernon Parish, Louisiana | Vernon Parish, Louisiana | 0.625 | 1037 | Vernon Parish | 115 | us-la-115 | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Louisiana | Washington Parish, Louisiana | Washington Parish, Louisiana | 0.928571429 | 1038 | Washington Parish | 117 | us-la-117 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | chromium-6, cobalt, Halon 1011, strontium |
| Louisiana | Webster Parish, Louisiana | Webster Parish, Louisiana | 0.78125 | 1039 | Webster Parish | 119 | us-la-119 | 25 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 17 | 0 | chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Louisiana | West Baton Rouge Parish, Louisiana | West Baton Rouge Parish, Louisiana | 1.166666667 | 1040 | West Baton Rouge Parish | 121 | us-la-121 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Louisiana | West Carroll Parish, Louisiana | West Carroll Parish, Louisiana | 1.714285714 | 1041 | West Carroll Parish | 123 | us-la-123 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Louisiana | West Feliciana Parish, Louisiana | West Feliciana Parish, Louisiana | 0.5 | 1042 | West Feliciana Parish | 125 | us-la-125 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Louisiana | Winn Parish, Louisiana | Winn Parish, Louisiana | 17.15384615 | 1043 | Winn Parish | 127 | us-la-127 | 223 | 0 | 2 | 0 | 0 | 0 | 0 | 211 | 0 | 10 | 0 | |
| Massachusetts | Barnstable, Massachusetts | Barnstable County, Massachusetts | 1.8 | 1044 | Barnstable | 1 | us-ma-001 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 53 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFHpA, PFHxS, PFNA, PFOA, PFOS, strontium, vanadium |
| Massachusetts | Berkshire, Massachusetts | Berkshire County, Massachusetts | 4.536585366 | 1045 | Berkshire | 3 | us-ma-003 | 186 | 0 | 110 | 0 | 1 | 0 | 0 | 3 | 0 | 72 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Massachusetts | Bristol, Massachusetts | Bristol County, Massachusetts | 1.444444444 | 1046 | Bristol | 5 | us-ma-005 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 32 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, HCFC-22, strontium, vanadium |
| Massachusetts | Dukes, Massachusetts | Dukes County, Massachusetts | 3.25 | 1047 | Dukes | 7 | us-ma-007 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, strontium, vanadium |
| Massachusetts | Essex, Massachusetts | Essex County, Massachusetts | 0.692307692 | 1048 | Essex | 9 | us-ma-009 | 27 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 22 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFHpA, PFOA, strontium, vanadium |
| Massachusetts | Franklin, Massachusetts | Franklin County, Massachusetts | 1.24137931 | 1049 | Franklin | 11 | us-ma-011 | 36 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 32 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Massachusetts | Hampden, Massachusetts | Hampden County, Massachusetts | 1.5 | 1050 | Hampden | 13 | us-ma-013 | 42 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | 0 | 34 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| Massachusetts | Hampshire, Massachusetts | Hampshire County, Massachusetts | 2.655172414 | 1051 | Hampshire | 15 | us-ma-015 | 77 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 73 | 0 | bromomethane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Massachusetts | Middlesex, Massachusetts | Middlesex County, Massachusetts | 1.52688172 | 1052 | Middlesex | 17 | us-ma-017 | 142 | 0 | 0 | 0 | 7 | 0 | 6 | 1 | 0 | 128 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFHpA, PFOA, strontium, vanadium |
| Massachusetts | Nantucket, Massachusetts | Nantucket County/town, Massachusetts | 4.5 | 1053 | Nantucket | 19 | us-ma-019 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, strontium, vanadium |
| Massachusetts | Norfolk, Massachusetts | Norfolk County, Massachusetts | 3.19047619 | 1054 | Norfolk | 21 | us-ma-021 | 134 | 0 | 3 | 0 | 4 | 0 | 0 | 0 | 0 | 126 | 1 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Massachusetts | Plymouth, Massachusetts | Plymouth County, Massachusetts | 2.0625 | 1055 | Plymouth | 23 | us-ma-023 | 99 | 0 | 1 | 0 | 2 | 0 | 0 | 15 | 0 | 81 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, vanadium |
| Massachusetts | Suffolk, Massachusetts | Suffolk County, Massachusetts | 1.2 | 1056 | Suffolk | 25 | us-ma-025 | 6 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium |
| Massachusetts | Worcester, Massachusetts | Worcester County, Massachusetts | 3.411214953 | 1057 | Worcester | 27 | us-ma-027 | 365 | 48 | 16 | 0 | 2 | 3 | 12 | 40 | 6 | 238 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Maryland | Allegany, Maryland | Allegany County, Maryland | 0.588235294 | 1058 | Allegany | 1 | us-md-001 | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Maryland | Anne Arundel, Maryland | Anne Arundel County, Maryland | 0.142857143 | 1059 | Anne Arundel | 3 | us-md-003 | 4 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1,1-dichloroethane, chlorate, chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Maryland | Baltimore, Maryland | Baltimore County, Maryland | 1.555555556 | 1060 | Baltimore | 5 | us-md-005 | 14 | 0 | 1 | 0 | 7 | 0 | 1 | 0 | 0 | 5 | 0 | |
| Maryland | Baltimore city, Maryland | Baltimore city, Maryland | 2 | 1061 | Baltimore city | 510 | us-md-510 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 4-androstene-3,17-dione, chlorate, chloromethane, chromium, chromium-6, strontium, testosterone, vanadium |
| Maryland | Calvert, Maryland | Calvert County, Maryland | 0.1 | 1062 | Calvert | 9 | us-md-009 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, manganese, strontium |
| Maryland | Caroline, Maryland | Caroline County, Maryland | 2.315789474 | 1063 | Caroline | 11 | us-md-011 | 44 | 35 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 7 | 0 | |
| Maryland | Carroll, Maryland | Carroll County, Maryland | 0.807692308 | 1064 | Carroll | 13 | us-md-013 | 21 | 0 | 0 | 0 | 3 | 5 | 0 | 8 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Maryland | Cecil, Maryland | Cecil County, Maryland | 2.711111111 | 1065 | Cecil | 15 | us-md-015 | 122 | 0 | 0 | 0 | 14 | 0 | 20 | 61 | 0 | 27 | 0 | chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| Maryland | Charles, Maryland | Charles County, Maryland | 0.320754717 | 1066 | Charles | 17 | us-md-017 | 17 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 13 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Maryland | Dorchester, Maryland | Dorchester County, Maryland | 2.416666667 | 1067 | Dorchester | 19 | us-md-019 | 29 | 15 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 12 | 0 | molybdenum, strontium |
| Maryland | Frederick, Maryland | Frederick County, Maryland | 1.2 | 1068 | Frederick | 21 | us-md-021 | 36 | 0 | 4 | 0 | 2 | 0 | 25 | 2 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Maryland | Garrett, Maryland | Garrett County, Maryland | 3.588235294 | 1069 | Garrett | 23 | us-md-023 | 61 | 8 | 1 | 0 | 0 | 0 | 0 | 49 | 0 | 3 | 0 | |
| Maryland | Harford, Maryland | Harford County, Maryland | 0.888888889 | 1070 | Harford | 25 | us-md-025 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 10 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, PFOA, strontium, vanadium |
| Maryland | Kent, Maryland | Kent County, Maryland | 0.181818182 | 1071 | Kent | 29 | us-md-029 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Maryland | Montgomery, Maryland | Montgomery County, Maryland | 1.333333333 | 1072 | Montgomery | 31 | us-md-031 | 4 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Maryland | Queen Anne's, Maryland | Queen Anne's County, Maryland | 0.176470588 | 1073 | Queen Anne's | 35 | us-md-035 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Maryland | Somerset, Maryland | St. Mary's County, Maryland | 0.4 | 1074 | Somerset | 37 | us-md-037 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Maryland | St. Mary's, Maryland | Somerset County, Maryland | 0.078947368 | 1075 | St. Mary's | 39 | us-md-039 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium |
| Maryland | Talbot, Maryland | Talbot County, Maryland | 1.8 | 1076 | Talbot | 41 | us-md-041 | 18 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 10 | 0 | chlorate, chromium-6, strontium |
| Maryland | Washington, Maryland | Washington County, Maryland | 0.5 | 1077 | Washington | 43 | us-md-043 | 10 | 0 | 2 | 0 | 3 | 0 | 0 | 5 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Maryland | Wicomico, Maryland | Wicomico County, Maryland | 1.4 | 1078 | Wicomico | 45 | us-md-045 | 35 | 0 | 0 | 0 | 9 | 7 | 0 | 16 | 0 | 3 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chromium, chromium-6, manganese, strontium |
| Maryland | Worcester, Maryland | Worcester County, Maryland | 0.526315789 | 1079 | Worcester | 47 | us-md-047 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 7 | 0 | 1,1-dichloroethane, chlorate, chloromethane, chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Maine | Androscoggin, Maine | Androscoggin County, Maine | 1.772727273 | 1080 | Androscoggin | 1 | us-me-001 | 39 | 0 | 2 | 0 | 1 | 0 | 25 | 0 | 0 | 11 | 0 | chlorate, chromium-6, strontium |
| Maine | Aroostook, Maine | Aroostook County, Maine | 2.590909091 | 1081 | Aroostook | 3 | us-me-003 | 114 | 2 | 17 | 0 | 3 | 0 | 0 | 73 | 0 | 19 | 0 | |
| Maine | Cumberland, Maine | Cumberland County, Maine | 0.896551724 | 1082 | Cumberland | 5 | us-me-005 | 26 | 4 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 19 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Maine | Franklin, Maine | Franklin County, Maine | 0.230769231 | 1083 | Franklin | 7 | us-me-007 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium-6, manganese, strontium |
| Maine | Hancock, Maine | Hancock County, Maine | 2.172413793 | 1084 | Hancock | 9 | us-me-009 | 63 | 11 | 4 | 0 | 3 | 0 | 7 | 26 | 0 | 12 | 0 | |
| Maine | Kennebec, Maine | Kennebec County, Maine | 0.741935484 | 1085 | Kennebec | 11 | us-me-011 | 23 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Maine | Knox, Maine | Knox County, Maine | 2.916666667 | 1086 | Knox | 13 | us-me-013 | 35 | 0 | 1 | 0 | 1 | 0 | 0 | 20 | 0 | 13 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Maine | Lincoln, Maine | Lincoln County, Maine | 1.923076923 | 1087 | Lincoln | 15 | us-me-015 | 25 | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 0 | 13 | 0 | |
| Maine | Oxford, Maine | Oxford County, Maine | 3 | 1088 | Oxford | 17 | us-me-017 | 48 | 0 | 0 | 0 | 1 | 0 | 6 | 35 | 0 | 6 | 0 | |
| Maine | Penobscot, Maine | Penobscot County, Maine | 1.62745098 | 1089 | Penobscot | 19 | us-me-019 | 83 | 16 | 0 | 4 | 0 | 2 | 0 | 38 | 0 | 23 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Maine | Piscataquis, Maine | Piscataquis County, Maine | 6.222222222 | 1090 | Piscataquis | 21 | us-me-021 | 56 | 8 | 0 | 0 | 2 | 0 | 0 | 42 | 0 | 4 | 0 | |
| Maine | Sagadahoc, Maine | Sagadahoc County, Maine | 1 | 1091 | Sagadahoc | 23 | us-me-023 | 9 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 7 | 0 | |
| Maine | Somerset, Maine | Somerset County, Maine | 4.058823529 | 1092 | Somerset | 25 | us-me-025 | 69 | 20 | 1 | 0 | 0 | 0 | 0 | 42 | 0 | 6 | 0 | |
| Maine | Waldo, Maine | Waldo County, Maine | 2.2 | 1093 | Waldo | 27 | us-me-027 | 33 | 6 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 8 | 0 | |
| Maine | Washington, Maine | Washington County, Maine | 2.826086957 | 1094 | Washington | 29 | us-me-029 | 65 | 12 | 18 | 3 | 2 | 0 | 0 | 10 | 0 | 20 | 0 | |
| Maine | York, Maine | York County, Maine | 1.295454545 | 1095 | York | 31 | us-me-031 | 57 | 17 | 0 | 0 | 3 | 1 | 12 | 1 | 0 | 23 | 0 | chlorate, chromium, chromium-6, molybdenum, PFHxS, PFOS, strontium, vanadium |
| Michigan | Alcona, Michigan | Alcona County, Michigan | 1.2 | 1096 | Alcona | 1 | us-mi-001 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Michigan | Alger, Michigan | Alger County, Michigan | 2.6 | 1097 | Alger | 3 | us-mi-003 | 13 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 11 | 0 | |
| Michigan | Allegan, Michigan | Allegan County, Michigan | 0.72 | 1098 | Allegan | 5 | us-mi-005 | 36 | 1 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 31 | 0 | chromium, manganese, molybdenum, strontium, vanadium |
| Michigan | Antrim, Michigan | Antrim County, Michigan | 0.533333333 | 1099 | Antrim | 9 | us-mi-009 | 8 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Michigan | Arenac, Michigan | Arenac County, Michigan | 0.25 | 1100 | Arenac | 11 | us-mi-011 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Michigan | Barry, Michigan | Barry County, Michigan | 0.588235294 | 1101 | Barry | 15 | us-mi-015 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Michigan | Bay, Michigan | Bay County, Michigan | 0.952380952 | 1102 | Bay | 17 | us-mi-017 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Michigan | Berrien, Michigan | Berrien County, Michigan | 0.951219512 | 1103 | Berrien | 21 | us-mi-021 | 39 | 3 | 3 | 0 | 0 | 1 | 0 | 3 | 0 | 29 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Michigan | Branch, Michigan | Branch County, Michigan | 1.5 | 1104 | Branch | 23 | us-mi-023 | 21 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 16 | 0 | molybdenum, strontium |
| Michigan | Calhoun, Michigan | Calhoun County, Michigan | 0.25 | 1105 | Calhoun | 25 | us-mi-025 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | strontium |
| Michigan | Cass, Michigan | Cass County, Michigan | 0.421052632 | 1106 | Cass | 27 | us-mi-027 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 7 | 0 | |
| Michigan | Charlevoix, Michigan | Charlevoix County, Michigan | 0.25 | 1107 | Charlevoix | 29 | us-mi-029 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Michigan | Cheboygan, Michigan | Cheboygan County, Michigan | 0.1 | 1108 | Cheboygan | 31 | us-mi-031 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Michigan | Chippewa, Michigan | Chippewa County, Michigan | 0.333333333 | 1109 | Chippewa | 33 | us-mi-033 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Michigan | Clare, Michigan | Clare County, Michigan | 0.25 | 1110 | Clare | 35 | us-mi-035 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Michigan | Clinton, Michigan | Clinton County, Michigan | 0.272727273 | 1111 | Clinton | 37 | us-mi-037 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Michigan | Crawford, Michigan | Crawford County, Michigan | 0.25 | 1112 | Crawford | 39 | us-mi-039 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Michigan | Delta, Michigan | Delta County, Michigan | 1.375 | 1113 | Delta | 41 | us-mi-041 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 8 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Michigan | Dickinson, Michigan | Dickinson County, Michigan | 0.857142857 | 1114 | Dickinson | 43 | us-mi-043 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Michigan | Eaton, Michigan | Eaton County, Michigan | 0.588235294 | 1115 | Eaton | 45 | us-mi-045 | 10 | 1 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium |
| Michigan | Emmet, Michigan | Emmet County, Michigan | 0.314285714 | 1116 | Emmet | 47 | us-mi-047 | 11 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Michigan | Genesee, Michigan | Genesee County, Michigan | 0.733333333 | 1117 | Genesee | 49 | us-mi-049 | 33 | 16 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | 11 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Michigan | Gladwin, Michigan | Gladwin County, Michigan | 0.375 | 1118 | Gladwin | 51 | us-mi-051 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Michigan | Gogebic, Michigan | Gogebic County, Michigan | 0.8 | 1119 | Gogebic | 53 | us-mi-053 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Michigan | Grand Traverse, Michigan | Grand Traverse County, Michigan | 0.318181818 | 1120 | Grand Traverse | 55 | us-mi-055 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Michigan | Gratiot, Michigan | Gratiot County, Michigan | 0.3 | 1121 | Gratiot | 57 | us-mi-057 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Michigan | Hillsdale, Michigan | Hillsdale County, Michigan | 0.454545455 | 1122 | Hillsdale | 59 | us-mi-059 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Michigan | Houghton, Michigan | Houghton County, Michigan | 0.352941176 | 1123 | Houghton | 61 | us-mi-061 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Michigan | Huron, Michigan | Huron County, Michigan | 0.55 | 1124 | Huron | 63 | us-mi-063 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Michigan | Ingham, Michigan | Ingham County, Michigan | 0.291666667 | 1125 | Ingham | 65 | us-mi-065 | 7 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Michigan | Ionia, Michigan | Ionia County, Michigan | 0.526315789 | 1126 | Ionia | 67 | us-mi-067 | 10 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 8 | 0 | chlorate, molybdenum, strontium |
| Michigan | Iosco, Michigan | Iosco County, Michigan | 0.25 | 1127 | Iosco | 69 | us-mi-069 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | |
| Michigan | Iron, Michigan | Iron County, Michigan | 3.4 | 1128 | Iron | 71 | us-mi-071 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | |
| Michigan | Isabella, Michigan | Isabella County, Michigan | 0.307692308 | 1129 | Isabella | 73 | us-mi-073 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Michigan | Jackson, Michigan | Jackson County, Michigan | 0.481481481 | 1130 | Jackson | 75 | us-mi-075 | 13 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium |
| Michigan | Kalamazoo, Michigan | Kalamazoo County, Michigan | 0.9 | 1131 | Kalamazoo | 77 | us-mi-077 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Michigan | Kalkaska, Michigan | Kalkaska County, Michigan | 1.5 | 1132 | Kalkaska | 79 | us-mi-079 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Michigan | Kent, Michigan | Kent County, Michigan | 0.680851064 | 1133 | Kent | 81 | us-mi-081 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 31 | 0 | 1,1-dichloroethane, 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, PFOS, strontium, vanadium |
| Michigan | Keweenaw, Michigan | Keweenaw County, Michigan | 1.4 | 1134 | Keweenaw | 83 | us-mi-083 | 7 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Michigan | Lake, Michigan | Lake County, Michigan | 1.4 | 1135 | Lake | 85 | us-mi-085 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Michigan | Lapeer, Michigan | Lapeer County, Michigan | 0.214285714 | 1136 | Lapeer | 87 | us-mi-087 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Michigan | Leelanau, Michigan | Leelanau County, Michigan | 0.428571429 | 1137 | Leelanau | 89 | us-mi-089 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Michigan | Lenawee, Michigan | Lenawee County, Michigan | 1.655172414 | 1138 | Lenawee | 91 | us-mi-091 | 48 | 0 | 3 | 0 | 1 | 0 | 0 | 37 | 0 | 7 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Michigan | Livingston, Michigan | Livingston County, Michigan | 0.395833333 | 1139 | Livingston | 93 | us-mi-093 | 19 | 9 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 8 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Michigan | Luce, Michigan | Luce County, Michigan | 2.333333333 | 1140 | Luce | 95 | us-mi-095 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Michigan | Mackinac, Michigan | Mackinac County, Michigan | 0.75 | 1141 | Mackinac | 97 | us-mi-097 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Michigan | Macomb, Michigan | Macomb County, Michigan | 0.111111111 | 1142 | Macomb | 99 | us-mi-099 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| Michigan | Manistee, Michigan | Manistee County, Michigan | 0.181818182 | 1143 | Manistee | 101 | us-mi-101 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Michigan | Marquette, Michigan | Marquette County, Michigan | 1.25 | 1144 | Marquette | 103 | us-mi-103 | 30 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 28 | 0 | chlorate, chromium-6, strontium, vanadium |
| Michigan | Mason, Michigan | Mason County, Michigan | 0.125 | 1145 | Mason | 105 | us-mi-105 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Michigan | Mecosta, Michigan | Mecosta County, Michigan | 1.153846154 | 1146 | Mecosta | 107 | us-mi-107 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | chlorate, manganese, molybdenum, strontium |
| Michigan | Menominee, Michigan | Menominee County, Michigan | 1.4 | 1147 | Menominee | 109 | us-mi-109 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Michigan | Midland, Michigan | Midland County, Michigan | 0.272727273 | 1148 | Midland | 111 | us-mi-111 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium |
| Michigan | Missaukee, Michigan | Missaukee County, Michigan | 1 | 1149 | Missaukee | 113 | us-mi-113 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Michigan | Monroe, Michigan | Monroe County, Michigan | 0.444444444 | 1150 | Monroe | 115 | us-mi-115 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Michigan | Montcalm, Michigan | Montcalm County, Michigan | 0.333333333 | 1151 | Montcalm | 117 | us-mi-117 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Michigan | Montmorency, Michigan | Montmorency County, Michigan | 0.666666667 | 1152 | Montmorency | 119 | us-mi-119 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Michigan | Muskegon, Michigan | Muskegon County, Michigan | 0.363636364 | 1153 | Muskegon | 121 | us-mi-121 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Michigan | Newaygo, Michigan | Newaygo County, Michigan | 0.222222222 | 1154 | Newaygo | 123 | us-mi-123 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Michigan | Oakland, Michigan | Oakland County, Michigan | 0.313043478 | 1155 | Oakland | 125 | us-mi-125 | 36 | 6 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, testosterone, vanadium |
| Michigan | Oceana, Michigan | Oceana County, Michigan | 0.8 | 1156 | Oceana | 127 | us-mi-127 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Michigan | Ogemaw, Michigan | Ogemaw County, Michigan | 0.125 | 1157 | Ogemaw | 129 | us-mi-129 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Michigan | Ontonagon, Michigan | Ontonagon County, Michigan | 1.2 | 1158 | Ontonagon | 131 | us-mi-131 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Michigan | Osceola, Michigan | Osceola County, Michigan | 1 | 1159 | Osceola | 133 | us-mi-133 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Michigan | Oscoda, Michigan | Oscoda County, Michigan | 0.25 | 1160 | Oscoda | 135 | us-mi-135 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Michigan | Otsego, Michigan | Otsego County, Michigan | 0.3 | 1161 | Otsego | 137 | us-mi-137 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Michigan | Ottawa, Michigan | Ottawa County, Michigan | 0.074074074 | 1162 | Ottawa | 139 | us-mi-139 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Michigan | Presque Isle, Michigan | Presque Isle County, Michigan | 0.2 | 1163 | Presque Isle | 141 | us-mi-141 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Michigan | Roscommon, Michigan | Roscommon County, Michigan | 1.75 | 1164 | Roscommon | 143 | us-mi-143 | 28 | 12 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 14 | 0 | |
| Michigan | Saginaw, Michigan | Saginaw County, Michigan | 0.615384615 | 1165 | Saginaw | 145 | us-mi-145 | 16 | 0 | 0 | 0 | 0 | 0 | 8 | 3 | 0 | 5 | 0 | chlorate, chromium, chromium-6, strontium |
| Michigan | Sanilac, Michigan | Sanilac County, Michigan | 0.3 | 1166 | Sanilac | 151 | us-mi-151 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Michigan | Schoolcraft, Michigan | Schoolcraft County, Michigan | 1.666666667 | 1167 | Schoolcraft | 153 | us-mi-153 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| Michigan | Shiawassee, Michigan | Shiawassee County, Michigan | 0.565217391 | 1168 | Shiawassee | 155 | us-mi-155 | 13 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium |
| Michigan | St. Joseph, Michigan | St. Joseph County, Michigan | 1.705882353 | 1169 | St. Joseph | 149 | us-mi-149 | 29 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | chlorate, molybdenum, strontium, vanadium |
| Michigan | Tuscola, Michigan | Tuscola County, Michigan | 0.176470588 | 1170 | Tuscola | 157 | us-mi-157 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Michigan | Van Buren, Michigan | Van Buren County, Michigan | 1.074074074 | 1171 | Van Buren | 159 | us-mi-159 | 29 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 28 | 0 | |
| Michigan | Washtenaw, Michigan | Washtenaw County, Michigan | 0.233333333 | 1172 | Washtenaw | 161 | us-mi-161 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, PFOS, strontium, vanadium |
| Michigan | Wayne, Michigan | Wayne County, Michigan | 0.136363636 | 1173 | Wayne | 163 | us-mi-163 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1,1-dichloroethane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, strontium, vanadium |
| Michigan | Wexford, Michigan | Wexford County, Michigan | 1.125 | 1174 | Wexford | 165 | us-mi-165 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 0 | |
| Minnesota | Aitkin, Minnesota | Aitkin County, Minnesota | 0.333333333 | 1175 | Aitkin | 1 | us-mn-001 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Minnesota | Anoka, Minnesota | Anoka County, Minnesota | 0.129032258 | 1176 | Anoka | 3 | us-mn-003 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, molybdenum, PFHpA, strontium, vanadium |
| Minnesota | Becker, Minnesota | Becker County, Minnesota | 0.7 | 1177 | Becker | 5 | us-mn-005 | 7 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | |
| Minnesota | Beltrami, Minnesota | Beltrami County, Minnesota | 0.3125 | 1178 | Beltrami | 7 | us-mn-007 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | chromium, PFHxS, PFOS, strontium, vanadium |
| Minnesota | Benton, Minnesota | Benton County, Minnesota | 0.285714286 | 1179 | Benton | 9 | us-mn-009 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Minnesota | Big Stone, Minnesota | Big Stone County, Minnesota | 0.333333333 | 1180 | Big Stone | 11 | us-mn-011 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Minnesota | Blue Earth, Minnesota | Blue Earth County, Minnesota | 0.222222222 | 1181 | Blue Earth | 13 | us-mn-013 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Minnesota | Brown, Minnesota | Brown County, Minnesota | 0.125 | 1182 | Brown | 15 | us-mn-015 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chromium, chromium-6, manganese, molybdenum, strontium |
| Minnesota | Carver, Minnesota | Carver County, Minnesota | 0.166666667 | 1183 | Carver | 19 | us-mn-019 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | chlorate, chromium, molybdenum, strontium, vanadium |
| Minnesota | Cass, Minnesota | Cass County, Minnesota | 0.2 | 1184 | Cass | 21 | us-mn-021 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Minnesota | Chippewa, Minnesota | Chippewa County, Minnesota | 0.6 | 1185 | Chippewa | 23 | us-mn-023 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | |
| Minnesota | Chisago, Minnesota | Chisago County, Minnesota | 0.45 | 1186 | Chisago | 25 | us-mn-025 | 9 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 5 | 0 | |
| Minnesota | Crow Wing, Minnesota | Crow Wing County, Minnesota | 0.166666667 | 1187 | Crow Wing | 35 | us-mn-035 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chromium, chromium-6, strontium |
| Minnesota | Dakota, Minnesota | Dakota County, Minnesota | 0.333333333 | 1188 | Dakota | 37 | us-mn-037 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFOA, strontium, vanadium |
| Minnesota | Dodge, Minnesota | Dodge County, Minnesota | 0.333333333 | 1189 | Dodge | 39 | us-mn-039 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | |
| Minnesota | Faribault, Minnesota | Faribault County, Minnesota | 0.083333333 | 1190 | Faribault | 43 | us-mn-043 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Minnesota | Fillmore, Minnesota | Fillmore County, Minnesota | 0.071428571 | 1191 | Fillmore | 45 | us-mn-045 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Minnesota | Freeborn, Minnesota | Freeborn County, Minnesota | 0.333333333 | 1192 | Freeborn | 47 | us-mn-047 | 5 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | chromium, molybdenum, strontium |
| Minnesota | Grant, Minnesota | Grant County, Minnesota | 0.428571429 | 1193 | Grant | 51 | us-mn-051 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, manganese, molybdenum, strontium |
| Minnesota | Hennepin, Minnesota | Hennepin County, Minnesota | 0.111111111 | 1194 | Hennepin | 53 | us-mn-053 | 5 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 1 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Minnesota | Houston, Minnesota | Houston County, Minnesota | 0.166666667 | 1195 | Houston | 55 | us-mn-055 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | chromium, chromium-6, manganese, strontium |
| Minnesota | Hubbard, Minnesota | Hubbard County, Minnesota | 0.571428571 | 1196 | Hubbard | 57 | us-mn-057 | 4 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | |
| Minnesota | Isanti, Minnesota | Isanti County, Minnesota | 0.2 | 1197 | Isanti | 59 | us-mn-059 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | chlorate, manganese, n-propylbenzene, strontium |
| Minnesota | Itasca, Minnesota | Itasca County, Minnesota | 0.5 | 1198 | Itasca | 61 | us-mn-061 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | cobalt, manganese, strontium |
| Minnesota | Kandiyohi, Minnesota | Kandiyohi County, Minnesota | 0.266666667 | 1199 | Kandiyohi | 67 | us-mn-067 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | chromium, molybdenum, strontium |
| Minnesota | Koochiching, Minnesota | Koochiching County, Minnesota | 0.2 | 1200 | Koochiching | 71 | us-mn-071 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Minnesota | Lake, Minnesota | Lake County, Minnesota | 0.333333333 | 1201 | Lake | 75 | us-mn-075 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, strontium, vanadium |
| Minnesota | Lake of the Woods, Minnesota | Lake of the Woods County, Minnesota | 0.5 | 1202 | Lake of the Woods | 77 | us-mn-077 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Minnesota | Le Sueur, Minnesota | Le Sueur County, Minnesota | 0.545454545 | 1203 | Le Sueur | 79 | us-mn-079 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Minnesota | Marshall, Minnesota | Marshall County, Minnesota | 0.307692308 | 1204 | Marshall | 89 | us-mn-089 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | |
| Minnesota | Martin, Minnesota | Martin County, Minnesota | 0.444444444 | 1205 | Martin | 91 | us-mn-091 | 4 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Minnesota | McLeod, Minnesota | McLeod County, Minnesota | 0.1 | 1206 | McLeod | 85 | us-mn-085 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, molybdenum, strontium |
| Minnesota | Meeker, Minnesota | Meeker County, Minnesota | 0.142857143 | 1207 | Meeker | 93 | us-mn-093 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Minnesota | Mille Lacs, Minnesota | Mille Lacs County, Minnesota | 0.1 | 1208 | Mille Lacs | 95 | us-mn-095 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Minnesota | Morrison, Minnesota | Morrison County, Minnesota | 0.222222222 | 1209 | Morrison | 97 | us-mn-097 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | |
| Minnesota | Mower, Minnesota | Mower County, Minnesota | 0.058823529 | 1210 | Mower | 99 | us-mn-099 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, cobalt, molybdenum, strontium |
| Minnesota | Murray, Minnesota | Murray County, Minnesota | 0.555555556 | 1211 | Murray | 101 | us-mn-101 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Minnesota | Nobles, Minnesota | Nobles County, Minnesota | 0.166666667 | 1212 | Nobles | 105 | us-mn-105 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium |
| Minnesota | Norman, Minnesota | Norman County, Minnesota | 0.333333333 | 1213 | Norman | 107 | us-mn-107 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Minnesota | Otter Tail, Minnesota | Otter Tail County, Minnesota | 0.3125 | 1214 | Otter Tail | 111 | us-mn-111 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Minnesota | Pennington, Minnesota | Pennington County, Minnesota | 0.5 | 1215 | Pennington | 113 | us-mn-113 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Minnesota | Pine, Minnesota | Pine County, Minnesota | 0.866666667 | 1216 | Pine | 115 | us-mn-115 | 13 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 4 | 0 | |
| Minnesota | Pipestone, Minnesota | Pipestone County, Minnesota | 0.2 | 1217 | Pipestone | 117 | us-mn-117 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | |
| Minnesota | Polk, Minnesota | Polk County, Minnesota | 0.909090909 | 1218 | Polk | 119 | us-mn-119 | 10 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | manganese, molybdenum, strontium |
| Minnesota | Pope, Minnesota | Pope County, Minnesota | 0.166666667 | 1219 | Pope | 121 | us-mn-121 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Minnesota | Renville, Minnesota | Renville County, Minnesota | 0.1 | 1220 | Renville | 129 | us-mn-129 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Minnesota | Rice, Minnesota | Rice County, Minnesota | 0.307692308 | 1221 | Rice | 131 | us-mn-131 | 4 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1,1-dichloroethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Minnesota | Roseau, Minnesota | Roseau County, Minnesota | 0.230769231 | 1222 | Roseau | 135 | us-mn-135 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Minnesota | Scott, Minnesota | Scott County, Minnesota | 0.235294118 | 1223 | Scott | 139 | us-mn-139 | 4 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Minnesota | Sibley, Minnesota | Sibley County, Minnesota | 0.125 | 1224 | Sibley | 143 | us-mn-143 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Minnesota | St. Louis, Minnesota | St. Louis County, Minnesota | 0.6 | 1225 | St. Louis | 137 | us-mn-137 | 18 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 9 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Minnesota | Stearns, Minnesota | Stearns County, Minnesota | 0.212121212 | 1226 | Stearns | 145 | us-mn-145 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Minnesota | Steele, Minnesota | Steele County, Minnesota | 0.428571429 | 1227 | Steele | 147 | us-mn-147 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | chromium, strontium |
| Minnesota | Swift, Minnesota | Swift County, Minnesota | 0.333333333 | 1228 | Swift | 151 | us-mn-151 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Minnesota | Traverse, Minnesota | Traverse County, Minnesota | 0.75 | 1229 | Traverse | 155 | us-mn-155 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Minnesota | Wabasha, Minnesota | Wabasha County, Minnesota | 1 | 1230 | Wabasha | 157 | us-mn-157 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | chromium, chromium-6, manganese, strontium |
| Minnesota | Washington, Minnesota | Washington County, Minnesota | 0.24137931 | 1231 | Washington | 163 | us-mn-163 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 1,4-dioxane, chromium, chromium-6, cobalt, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| Minnesota | Wilkin, Minnesota | Wilkin County, Minnesota | 0.4 | 1232 | Wilkin | 167 | us-mn-167 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Minnesota | Winona, Minnesota | Winona County, Minnesota | 0.25 | 1233 | Winona | 169 | us-mn-169 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | chromium, chromium-6, strontium |
| Minnesota | Wright, Minnesota | Wright County, Minnesota | 0.157894737 | 1234 | Wright | 171 | us-mn-171 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Missouri | Adair, Missouri | Adair County, Missouri | 0.75 | 1235 | Adair | 1 | us-mo-001 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Andrew, Missouri | Andrew County, Missouri | 2 | 1236 | Andrew | 3 | us-mo-003 | 20 | 0 | 1 | 0 | 0 | 0 | 0 | 17 | 0 | 2 | 0 | |
| Missouri | Atchison, Missouri | Atchison County, Missouri | 1 | 1237 | Atchison | 5 | us-mo-005 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | |
| Missouri | Audrain, Missouri | Audrain County, Missouri | 4.142857143 | 1238 | Audrain | 7 | us-mo-007 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Missouri | Barry, Missouri | Barry County, Missouri | 0.965517241 | 1240 | Barry | 9 | us-mo-009 | 28 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 26 | 0 | |
| Missouri | Barton, Missouri | Barton County, Missouri | 3.25 | 1241 | Barton | 11 | us-mo-011 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | |
| Missouri | Bates, Missouri | Bates County, Missouri | 3.916666667 | 1242 | Bates | 13 | us-mo-013 | 47 | 0 | 8 | 0 | 0 | 0 | 0 | 38 | 0 | 1 | 0 | |
| Missouri | Benton, Missouri | Benton County, Missouri | 2.740740741 | 1244 | Benton | 15 | us-mo-015 | 74 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 0 | |
| Missouri | Bollinger, Missouri | Bollinger County, Missouri | 0.6 | 1245 | Bollinger | 17 | us-mo-017 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Missouri | Boone, Missouri | Boone County, Missouri | 0.571428571 | 1246 | Boone | 19 | us-mo-019 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 5 | 0 | chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Missouri | Butler, Missouri | Butler County, Missouri | 2.923076923 | 1247 | Butler | 23 | us-mo-023 | 38 | 0 | 15 | 0 | 0 | 0 | 0 | 11 | 0 | 12 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Missouri | Caldwell, Missouri | Caldwell County, Missouri | 8 | 1248 | Caldwell | 25 | us-mo-025 | 64 | 0 | 15 | 0 | 0 | 0 | 0 | 47 | 0 | 2 | 0 | |
| Missouri | Callaway, Missouri | Callaway County, Missouri | 1.666666667 | 1250 | Callaway | 27 | us-mo-027 | 20 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 15 | 0 | chromium, chromium-6, manganese, strontium |
| Missouri | Camden, Missouri | Camden County, Missouri | 1.278688525 | 1251 | Camden | 29 | us-mo-029 | 78 | 0 | 1 | 0 | 0 | 0 | 20 | 0 | 0 | 57 | 0 | |
| Missouri | Cape Girardeau, Missouri | Cape Girardeau County, Missouri | 5.2 | 1252 | Cape Girardeau | 31 | us-mo-031 | 104 | 0 | 2 | 0 | 0 | 0 | 74 | 1 | 0 | 27 | 0 | 1,1-dichloroethane, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Missouri | Carroll, Missouri | Carroll County, Missouri | 0.25 | 1253 | Carroll | 33 | us-mo-033 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Missouri | Carter, Missouri | Carter County, Missouri | 2.333333333 | 1254 | Carter | 35 | us-mo-035 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | |
| Missouri | Cass, Missouri | Cass County, Missouri | 2.75862069 | 1255 | Cass | 37 | us-mo-037 | 80 | 0 | 20 | 0 | 0 | 0 | 0 | 40 | 4 | 16 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Missouri | Cedar, Missouri | Cedar County, Missouri | 2.25 | 1256 | Cedar | 39 | us-mo-039 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | |
| Missouri | Chariton, Missouri | Chariton County, Missouri | 1.2 | 1257 | Chariton | 41 | us-mo-041 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | |
| Missouri | Christian, Missouri | Christian County, Missouri | 1.533333333 | 1258 | Christian | 43 | us-mo-043 | 46 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium |
| Missouri | Clark, Missouri | Clark County, Missouri | 4 | 1259 | Clark | 45 | us-mo-045 | 16 | 0 | 8 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| Missouri | Clay, Missouri | Clay County, Missouri | 1.666666667 | 1260 | Clay | 47 | us-mo-047 | 30 | 0 | 8 | 0 | 0 | 0 | 0 | 14 | 0 | 8 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Missouri | Clinton, Missouri | Clinton County, Missouri | 1.285714286 | 1261 | Clinton | 49 | us-mo-049 | 9 | 0 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | |
| Missouri | Cole, Missouri | Cole County, Missouri | 1.615384615 | 1262 | Cole | 51 | us-mo-051 | 21 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Cooper, Missouri | Cooper County, Missouri | 2.75 | 1263 | Cooper | 53 | us-mo-053 | 22 | 0 | 3 | 0 | 0 | 0 | 0 | 15 | 0 | 4 | 0 | |
| Missouri | Crawford, Missouri | Crawford County, Missouri | 2.111111111 | 1264 | Crawford | 55 | us-mo-055 | 19 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 17 | 0 | |
| Missouri | Dade, Missouri | Dade County, Missouri | 1.5 | 1265 | Dade | 57 | us-mo-057 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | |
| Missouri | Dallas, Missouri | Dallas County, Missouri | 1.6 | 1266 | Dallas | 59 | us-mo-059 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Missouri | Daviess, Missouri | Daviess County, Missouri | 3 | 1268 | Daviess | 61 | us-mo-061 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 2 | 0 | |
| Missouri | DeKalb, Missouri | DeKalb County, Missouri | 10.33333333 | 1269 | DeKalb | 63 | us-mo-063 | 62 | 0 | 27 | 0 | 0 | 0 | 0 | 32 | 0 | 3 | 0 | |
| Missouri | Dent, Missouri | Dent County, Missouri | 0.666666667 | 1270 | Dent | 65 | us-mo-065 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Missouri | Douglas, Missouri | Douglas County, Missouri | 2.5 | 1271 | Douglas | 67 | us-mo-067 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | |
| Missouri | Dunklin, Missouri | Dunklin County, Missouri | 1.846153846 | 1272 | Dunklin | 69 | us-mo-069 | 24 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Missouri | Franklin, Missouri | Franklin County, Missouri | 2.131578947 | 1273 | Franklin | 71 | us-mo-071 | 81 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 79 | 0 | chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Missouri | Gasconade, Missouri | Gasconade County, Missouri | 1.7 | 1274 | Gasconade | 73 | us-mo-073 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | |
| Missouri | Gentry, Missouri | Gentry County, Missouri | 1.4 | 1275 | Gentry | 75 | us-mo-075 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 0 | |
| Missouri | Greene, Missouri | Greene County, Missouri | 1.757575758 | 1277 | Greene | 77 | us-mo-077 | 58 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 54 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Missouri | Grundy, Missouri | Grundy County, Missouri | 6.6 | 1278 | Grundy | 79 | us-mo-079 | 33 | 0 | 1 | 0 | 0 | 0 | 0 | 32 | 0 | 0 | 0 | |
| Missouri | Harrison, Missouri | Harrison County, Missouri | 1.714285714 | 1279 | Harrison | 81 | us-mo-081 | 12 | 0 | 3 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | |
| Missouri | Henry, Missouri | Henry County, Missouri | 3.272727273 | 1281 | Henry | 83 | us-mo-083 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 12 | 0 | |
| Missouri | Hickory, Missouri | Hickory County, Missouri | 2.181818182 | 1283 | Hickory | 85 | us-mo-085 | 24 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | |
| Missouri | Holt, Missouri | Holt County, Missouri | 1.166666667 | 1284 | Holt | 87 | us-mo-087 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | |
| Missouri | Howard, Missouri | Howard County, Missouri | 3 | 1285 | Howard | 89 | us-mo-089 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | |
| Missouri | Howell, Missouri | Howell County, Missouri | 0.666666667 | 1286 | Howell | 91 | us-mo-091 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Iron, Missouri | Iron County, Missouri | 2.666666667 | 1287 | Iron | 93 | us-mo-093 | 24 | 0 | 0 | 0 | 0 | 0 | 19 | 1 | 0 | 4 | 0 | |
| Missouri | Jackson, Missouri | Jackson County, Missouri | 0.7 | 1288 | Jackson | 95 | us-mo-095 | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Jasper, Missouri | Jasper County, Missouri | 1.764705882 | 1289 | Jasper | 97 | us-mo-097 | 30 | 0 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 23 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Jefferson, Missouri | Jefferson County, Missouri | 1.546875 | 1290 | Jefferson | 99 | us-mo-099 | 99 | 0 | 7 | 0 | 0 | 0 | 0 | 6 | 0 | 86 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Johnson, Missouri | Johnson County, Missouri | 0.285714286 | 1291 | Johnson | 101 | us-mo-101 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chromium-6, strontium |
| Missouri | Knox, Missouri | Knox County, Missouri | 0.5 | 1294 | Knox | 103 | us-mo-103 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Missouri | Laclede, Missouri | Laclede County, Missouri | 2.4 | 1295 | Laclede | 105 | us-mo-105 | 12 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, cobalt, strontium, vanadium |
| Missouri | Lafayette, Missouri | Lafayette County, Missouri | 1.6 | 1296 | Lafayette | 107 | us-mo-107 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 4 | 0 | |
| Missouri | Lawrence, Missouri | Lawrence County, Missouri | 1.846153846 | 1297 | Lawrence | 109 | us-mo-109 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Missouri | Lewis, Missouri | Lewis County, Missouri | 1.4 | 1298 | Lewis | 111 | us-mo-111 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | |
| Missouri | Lincoln, Missouri | Lincoln County, Missouri | 3.9 | 1299 | Lincoln | 113 | us-mo-113 | 117 | 0 | 4 | 54 | 0 | 0 | 39 | 0 | 0 | 20 | 0 | chromium, strontium |
| Missouri | Linn, Missouri | Linn County, Missouri | 4.333333333 | 1300 | Linn | 115 | us-mo-115 | 39 | 0 | 4 | 0 | 0 | 0 | 0 | 32 | 0 | 3 | 0 | chlorate, chromium-6, molybdenum, strontium |
| Missouri | Livingston, Missouri | Livingston County, Missouri | 0.285714286 | 1301 | Livingston | 117 | us-mo-117 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Missouri | Madison, Missouri | Madison County, Missouri | 6.333333333 | 1302 | Madison | 123 | us-mo-123 | 19 | 0 | 3 | 0 | 0 | 0 | 0 | 13 | 0 | 3 | 0 | |
| Missouri | Maries, Missouri | Maries County, Missouri | 3 | 1303 | Maries | 125 | us-mo-125 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 4 | |
| Missouri | Marion, Missouri | Marion County, Missouri | 5.333333333 | 1305 | Marion | 127 | us-mo-127 | 16 | 0 | 2 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | McDonald, Missouri | McDonald County, Missouri | 13.5 | 1306 | McDonald | 119 | us-mo-119 | 135 | 0 | 0 | 0 | 0 | 0 | 128 | 0 | 0 | 7 | 0 | |
| Missouri | Mercer, Missouri | Mercer County, Missouri | 0.5 | 1307 | Mercer | 129 | us-mo-129 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Missouri | Miller, Missouri | Miller County, Missouri | 2.2 | 1308 | Miller | 131 | us-mo-131 | 33 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 0 | |
| Missouri | Mississippi, Missouri | Mississippi County, Missouri | 0.333333333 | 1309 | Mississippi | 133 | us-mo-133 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | manganese, molybdenum, strontium |
| Missouri | Moniteau, Missouri | Moniteau County, Missouri | 1 | 1310 | Moniteau | 135 | us-mo-135 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Missouri | Monroe, Missouri | Monroe County, Missouri | 2.75 | 1312 | Monroe | 137 | us-mo-137 | 11 | 0 | 9 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Missouri | Montgomery, Missouri | Montgomery County, Missouri | 7.454545455 | 1313 | Montgomery | 139 | us-mo-139 | 82 | 0 | 0 | 0 | 0 | 0 | 20 | 48 | 0 | 14 | 0 | |
| Missouri | Morgan, Missouri | Morgan County, Missouri | 4.5 | 1314 | Morgan | 141 | us-mo-141 | 63 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 0 | |
| Missouri | New Madrid, Missouri | New Madrid County, Missouri | 1.357142857 | 1315 | New Madrid | 143 | us-mo-143 | 19 | 0 | 6 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 0 | |
| Missouri | Newton, Missouri | Newton County, Missouri | 2.125 | 1316 | Newton | 145 | us-mo-145 | 34 | 0 | 3 | 0 | 0 | 0 | 0 | 11 | 0 | 20 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Nodaway, Missouri | Nodaway County, Missouri | 1.666666667 | 1317 | Nodaway | 147 | us-mo-147 | 20 | 0 | 3 | 0 | 0 | 0 | 0 | 12 | 0 | 5 | 0 | |
| Missouri | Oregon, Missouri | Oregon County, Missouri | 1.6 | 1318 | Oregon | 149 | us-mo-149 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Missouri | Osage, Missouri | Osage County, Missouri | 1.6 | 1319 | Osage | 151 | us-mo-151 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | |
| Missouri | Ozark, Missouri | Ozark County, Missouri | 5.8 | 1320 | Ozark | 153 | us-mo-153 | 29 | 0 | 1 | 0 | 0 | 0 | 14 | 0 | 0 | 14 | 0 | |
| Missouri | Pemiscot, Missouri | Pemiscot County, Missouri | 1 | 1321 | Pemiscot | 155 | us-mo-155 | 7 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Missouri | Perry, Missouri | Perry County, Missouri | 2.5 | 1322 | Perry | 157 | us-mo-157 | 25 | 0 | 0 | 0 | 0 | 0 | 12 | 4 | 0 | 9 | 0 | |
| Missouri | Pettis, Missouri | Pettis County, Missouri | 1.421052632 | 1323 | Pettis | 159 | us-mo-159 | 27 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 24 | 0 | chlorate, chromium-6, strontium, vanadium |
| Missouri | Phelps, Missouri | Phelps County, Missouri | 1.944444444 | 1324 | Phelps | 161 | us-mo-161 | 35 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | chlorate, chromium-6, strontium |
| Missouri | Pike, Missouri | Pike County, Missouri | 2.666666667 | 1325 | Pike | 163 | us-mo-163 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 2 | 0 | |
| Missouri | Platte, Missouri | Platte County, Missouri | 0.555555556 | 1326 | Platte | 165 | us-mo-165 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Polk, Missouri | Polk County, Missouri | 0.666666667 | 1327 | Polk | 167 | us-mo-167 | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Missouri | Pulaski, Missouri | Pulaski County, Missouri | 2.2 | 1328 | Pulaski | 169 | us-mo-169 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 0 | chromium-6, strontium, vanadium |
| Missouri | Putnam, Missouri | Putnam County, Missouri | 6 | 1329 | Putnam | 171 | us-mo-171 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | |
| Missouri | Randolph, Missouri | Randolph County, Missouri | 2.6 | 1330 | Randolph | 175 | us-mo-175 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Ray, Missouri | Ray County, Missouri | 0.375 | 1331 | Ray | 177 | us-mo-177 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | |
| Missouri | Reynolds, Missouri | Reynolds County, Missouri | 0.333333333 | 1332 | Reynolds | 179 | us-mo-179 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Missouri | Ripley, Missouri | Ripley County, Missouri | 0.6 | 1333 | Ripley | 181 | us-mo-181 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Missouri | Saline, Missouri | Saline County, Missouri | 3.090909091 | 1334 | Saline | 195 | us-mo-195 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Missouri | Schuyler, Missouri | Schuyler County, Missouri | 0.2 | 1335 | Schuyler | 197 | us-mo-197 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Missouri | Scotland, Missouri | Scotland County, Missouri | 2 | 1336 | Scotland | 199 | us-mo-199 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | |
| Missouri | Scott, Missouri | Scott County, Missouri | 1.611111111 | 1337 | Scott | 201 | us-mo-201 | 29 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | chromium, chromium-6, molybdenum, strontium |
| Missouri | Shannon, Missouri | Shannon County, Missouri | 0.333333333 | 1338 | Shannon | 203 | us-mo-203 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Missouri | Shelby, Missouri | Shelby County, Missouri | 1.6 | 1339 | Shelby | 205 | us-mo-205 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| Missouri | St. Charles, Missouri | St. Charles County, Missouri | 1.647058824 | 1340 | St. Charles | 183 | us-mo-183 | 28 | 0 | 2 | 0 | 0 | 0 | 9 | 0 | 0 | 17 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| Missouri | St. Clair, Missouri | St. Clair County, Missouri | 2.2 | 1342 | St. Clair | 185 | us-mo-185 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 8 | 0 | |
| Missouri | St. Francois, Missouri | St. Francois County, Missouri | 16.88235294 | 1343 | St. Francois | 187 | us-mo-187 | 287 | 0 | 0 | 0 | 0 | 0 | 256 | 0 | 0 | 31 | 0 | chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, Total coliforms |
| Missouri | St. Louis, Missouri | St. Louis County, Missouri | 1.75 | 1344 | St. Louis | 189 | us-mo-189 | 7 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Missouri | Ste. Genevieve, Missouri | Ste. Genevieve County, Missouri | 3.875 | 1345 | Ste. Genevieve | 186 | us-mo-186 | 31 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | |
| Missouri | Stoddard, Missouri | Stoddard County, Missouri | 0.625 | 1346 | Stoddard | 207 | us-mo-207 | 10 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 4 | 0 | chromium-6, manganese, strontium |
| Missouri | Stone, Missouri | Stone County, Missouri | 1.483870968 | 1347 | Stone | 209 | us-mo-209 | 138 | 0 | 8 | 0 | 0 | 0 | 0 | 4 | 0 | 126 | 0 | |
| Missouri | Taney, Missouri | Taney County, Missouri | 2.02 | 1348 | Taney | 213 | us-mo-213 | 101 | 0 | 7 | 0 | 0 | 0 | 20 | 0 | 0 | 74 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Missouri | Texas, Missouri | Texas County, Missouri | 1.9 | 1349 | Texas | 215 | us-mo-215 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Missouri | Vernon, Missouri | Vernon County, Missouri | 7.111111111 | 1350 | Vernon | 217 | us-mo-217 | 64 | 0 | 4 | 0 | 0 | 0 | 56 | 0 | 0 | 4 | 0 | |
| Missouri | Warren, Missouri | Warren County, Missouri | 0.941176471 | 1351 | Warren | 219 | us-mo-219 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | chlorate, manganese, strontium |
| Missouri | Washington, Missouri | Washington County, Missouri | 10.2 | 1352 | Washington | 221 | us-mo-221 | 102 | 0 | 2 | 0 | 0 | 0 | 55 | 0 | 0 | 45 | 0 | |
| Missouri | Wayne, Missouri | Wayne County, Missouri | 0.4 | 1353 | Wayne | 223 | us-mo-223 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Missouri | Webster, Missouri | Webster County, Missouri | 1.636363636 | 1354 | Webster | 225 | us-mo-225 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | |
| Missouri | Worth, Missouri | Worth County, Missouri | 5 | 1355 | Worth | 227 | us-mo-227 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 3 | 0 | |
| Missouri | Wright, Missouri | Wright County, Missouri | 0.714285714 | 1356 | Wright | 229 | us-mo-229 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Mississippi | Adams, Mississippi | Adams County, Mississippi | 0.714285714 | 1357 | Adams | 1 | us-ms-001 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chromium, chromium-6, strontium, vanadium |
| Mississippi | Alcorn, Mississippi | Alcorn County, Mississippi | 0.5 | 1358 | Alcorn | 3 | us-ms-003 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 1,1-dichloroethane, 1,4-dioxane, bromomethane, chlorate, chromium, chromium-6, Halon 1011, strontium, vanadium |
| Mississippi | Amite, Mississippi | Amite County, Mississippi | 0.1 | 1359 | Amite | 5 | us-ms-005 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Mississippi | Attala, Mississippi | Attala County, Mississippi | 0.071428571 | 1360 | Attala | 7 | us-ms-007 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Mississippi | Benton, Mississippi | Benton County, Mississippi | 1 | 1361 | Benton | 9 | us-ms-009 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Mississippi | Bolivar, Mississippi | Bolivar County, Mississippi | 0.538461538 | 1362 | Bolivar | 11 | us-ms-011 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | strontium |
| Mississippi | Calhoun, Mississippi | Calhoun County, Mississippi | 0.294117647 | 1363 | Calhoun | 13 | us-ms-013 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Mississippi | Carroll, Mississippi | Carroll County, Mississippi | 0.5 | 1364 | Carroll | 15 | us-ms-015 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Mississippi | Chickasaw, Mississippi | Chickasaw County, Mississippi | 0.5 | 1365 | Chickasaw | 17 | us-ms-017 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chloromethane, manganese, n-propylbenzene, strontium |
| Mississippi | Choctaw, Mississippi | Choctaw County, Mississippi | 0.090909091 | 1366 | Choctaw | 19 | us-ms-019 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Mississippi | Claiborne, Mississippi | Claiborne County, Mississippi | 9.857142857 | 1367 | Claiborne | 21 | us-ms-021 | 69 | 0 | 0 | 0 | 0 | 0 | 0 | 65 | 0 | 4 | 0 | |
| Mississippi | Clarke, Mississippi | Clarke County, Mississippi | 0.454545455 | 1368 | Clarke | 23 | us-ms-023 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | |
| Mississippi | Clay, Mississippi | Clay County, Mississippi | 0.125 | 1369 | Clay | 25 | us-ms-025 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, strontium |
| Mississippi | Coahoma, Mississippi | Coahoma County, Mississippi | 2.941176471 | 1370 | Coahoma | 27 | us-ms-027 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 49 | 0 | 1 | 0 | bromomethane, chloromethane, chromium-6, manganese, strontium |
| Mississippi | Copiah, Mississippi | Copiah County, Mississippi | 0.166666667 | 1371 | Copiah | 29 | us-ms-029 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Mississippi | Covington, Mississippi | Covington County, Mississippi | 0.125 | 1372 | Covington | 31 | us-ms-031 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Mississippi | DeSoto, Mississippi | DeSoto County, Mississippi | 0.222222222 | 1373 | DeSoto | 33 | us-ms-033 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| Mississippi | Forrest, Mississippi | Forrest County, Mississippi | 0.615384615 | 1374 | Forrest | 35 | us-ms-035 | 8 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | strontium |
| Mississippi | Franklin, Mississippi | Franklin County, Mississippi | 0.2 | 1375 | Franklin | 37 | us-ms-037 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Mississippi | Greene, Mississippi | Greene County, Mississippi | 0.25 | 1376 | Greene | 41 | us-ms-041 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium-6, manganese, strontium |
| Mississippi | Grenada, Mississippi | Grenada County, Mississippi | 1.363636364 | 1377 | Grenada | 43 | us-ms-043 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 4 | 0 | strontium |
| Mississippi | Hancock, Mississippi | Hancock County, Mississippi | 0.75 | 1378 | Hancock | 45 | us-ms-045 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 2 | 0 | manganese, strontium |
| Mississippi | Harrison, Mississippi | Harrison County, Mississippi | 0.222222222 | 1379 | Harrison | 47 | us-ms-047 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | chloromethane, chromium, chromium-6, germanium, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Mississippi | Hinds, Mississippi | Hinds County, Mississippi | 3.789473684 | 1380 | Hinds | 49 | us-ms-049 | 72 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 0 | 11 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Mississippi | Holmes, Mississippi | Holmes County, Mississippi | 0.318181818 | 1381 | Holmes | 51 | us-ms-051 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | manganese, strontium |
| Mississippi | Humphreys, Mississippi | Humphreys County, Mississippi | 0.2 | 1382 | Humphreys | 53 | us-ms-053 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Mississippi | Issaquena, Mississippi | Issaquena County, Mississippi | 18.25 | 1383 | Issaquena | 55 | us-ms-055 | 73 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 0 | 1 | 0 | |
| Mississippi | Itawamba, Mississippi | Itawamba County, Mississippi | 0.777777778 | 1384 | Itawamba | 57 | us-ms-057 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | chromium-6, manganese, strontium |
| Mississippi | Jackson, Mississippi | Jackson County, Mississippi | 1.058823529 | 1385 | Jackson | 59 | us-ms-059 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 7 | 0 | bromomethane, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Mississippi | Jasper, Mississippi | Jasper County, Mississippi | 4.4375 | 1386 | Jasper | 61 | us-ms-061 | 71 | 0 | 0 | 0 | 0 | 0 | 0 | 71 | 0 | 0 | 0 | bromomethane, chloromethane, chromium-6, manganese, molybdenum, strontium, vanadium |
| Mississippi | Jefferson, Mississippi | Jefferson County, Mississippi | 1.571428571 | 1387 | Jefferson | 63 | us-ms-063 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Mississippi | Jefferson Davis, Mississippi | Jefferson Davis County, Mississippi | 0.125 | 1388 | Jefferson Davis | 65 | us-ms-065 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Mississippi | Jones, Mississippi | Jones County, Mississippi | 0.181818182 | 1389 | Jones | 67 | us-ms-067 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | strontium |
| Mississippi | Kemper, Mississippi | Kemper County, Mississippi | 0.166666667 | 1390 | Kemper | 69 | us-ms-069 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Mississippi | Lafayette, Mississippi | Lafayette County, Mississippi | 0.545454545 | 1391 | Lafayette | 71 | us-ms-071 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium |
| Mississippi | Lamar, Mississippi | Lamar County, Mississippi | 0.818181818 | 1392 | Lamar | 73 | us-ms-073 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium-6, strontium |
| Mississippi | Lauderdale, Mississippi | Lauderdale County, Mississippi | 0.230769231 | 1393 | Lauderdale | 75 | us-ms-075 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium-6, strontium |
| Mississippi | Lawrence, Mississippi | Lawrence County, Mississippi | 0.555555556 | 1394 | Lawrence | 77 | us-ms-077 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Mississippi | Leake, Mississippi | Leake County, Mississippi | 0.416666667 | 1395 | Leake | 79 | us-ms-079 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Mississippi | Lee, Mississippi | Lee County, Mississippi | 1.043478261 | 1396 | Lee | 81 | us-ms-081 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 23 | 0 | chromium-6, manganese, strontium, vanadium |
| Mississippi | Leflore, Mississippi | Leflore County, Mississippi | 0.692307692 | 1397 | Leflore | 83 | us-ms-083 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 7 | 0 | chromium, Halon 1011, strontium |
| Mississippi | Lincoln, Mississippi | Lincoln County, Mississippi | 0.375 | 1398 | Lincoln | 85 | us-ms-085 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Mississippi | Lowndes, Mississippi | Lowndes County, Mississippi | 0.428571429 | 1399 | Lowndes | 87 | us-ms-087 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, strontium |
| Mississippi | Madison, Mississippi | Madison County, Mississippi | 1.6875 | 1400 | Madison | 89 | us-ms-089 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 6 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Mississippi | Marion, Mississippi | Marion County, Mississippi | 0.833333333 | 1401 | Marion | 91 | us-ms-091 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Mississippi | Marshall, Mississippi | Marshall County, Mississippi | 0.333333333 | 1402 | Marshall | 93 | us-ms-093 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium-6, strontium |
| Mississippi | Monroe, Mississippi | Monroe County, Mississippi | 0.25 | 1403 | Monroe | 95 | us-ms-095 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Mississippi | Montgomery, Mississippi | Montgomery County, Mississippi | 0.058823529 | 1404 | Montgomery | 97 | us-ms-097 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | manganese, strontium |
| Mississippi | Newton, Mississippi | Newton County, Mississippi | 0.363636364 | 1405 | Newton | 101 | us-ms-101 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Mississippi | Noxubee, Mississippi | Noxubee County, Mississippi | 0.428571429 | 1406 | Noxubee | 103 | us-ms-103 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Mississippi | Oktibbeha, Mississippi | Oktibbeha County, Mississippi | 0.307692308 | 1407 | Oktibbeha | 105 | us-ms-105 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1,1-dichloroethane, chromium-6, Halon 1011, strontium |
| Mississippi | Panola, Mississippi | Panola County, Mississippi | 0.416666667 | 1408 | Panola | 107 | us-ms-107 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Mississippi | Pearl River, Mississippi | Pearl River County, Mississippi | 0.214285714 | 1409 | Pearl River | 109 | us-ms-109 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium |
| Mississippi | Perry, Mississippi | Perry County, Mississippi | 1.9 | 1410 | Perry | 111 | us-ms-111 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 0 | 8 | 0 | |
| Mississippi | Pike, Mississippi | Pike County, Mississippi | 0.538461538 | 1411 | Pike | 113 | us-ms-113 | 7 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | manganese, strontium |
| Mississippi | Pontotoc, Mississippi | Pontotoc County, Mississippi | 0.333333333 | 1412 | Pontotoc | 115 | us-ms-115 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | manganese, n-propylbenzene, strontium |
| Mississippi | Prentiss, Mississippi | Prentiss County, Mississippi | 0.333333333 | 1413 | Prentiss | 117 | us-ms-117 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | manganese, strontium |
| Mississippi | Quitman, Mississippi | Quitman County, Mississippi | 1.071428571 | 1414 | Quitman | 119 | us-ms-119 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 5 | 0 | |
| Mississippi | Rankin, Mississippi | Rankin County, Mississippi | 1.444444444 | 1415 | Rankin | 121 | us-ms-121 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 20 | 0 | chromium-6, strontium, vanadium |
| Mississippi | Scott, Mississippi | Scott County, Mississippi | 3.166666667 | 1416 | Scott | 123 | us-ms-123 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 0 | 5 | 0 | |
| Mississippi | Sharkey, Mississippi | Sharkey County, Mississippi | 18.33333333 | 1417 | Sharkey | 125 | us-ms-125 | 110 | 0 | 0 | 0 | 0 | 0 | 0 | 106 | 0 | 4 | 0 | |
| Mississippi | Simpson, Mississippi | Simpson County, Mississippi | 2.733333333 | 1418 | Simpson | 127 | us-ms-127 | 41 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 0 | 6 | 0 | |
| Mississippi | Smith, Mississippi | Smith County, Mississippi | 1.230769231 | 1419 | Smith | 129 | us-ms-129 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 5 | 0 | chlorate, chromium-6, manganese, strontium |
| Mississippi | Stone, Mississippi | Stone County, Mississippi | 0.111111111 | 1420 | Stone | 131 | us-ms-131 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Mississippi | Sunflower, Mississippi | Sunflower County, Mississippi | 2.142857143 | 1421 | Sunflower | 133 | us-ms-133 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 12 | 0 | chloromethane, strontium |
| Mississippi | Tallahatchie, Mississippi | Tallahatchie County, Mississippi | 0.5625 | 1422 | Tallahatchie | 135 | us-ms-135 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | |
| Mississippi | Tate, Mississippi | Tate County, Mississippi | 0.75 | 1423 | Tate | 137 | us-ms-137 | 9 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Mississippi | Tippah, Mississippi | Tippah County, Mississippi | 0.076923077 | 1424 | Tippah | 139 | us-ms-139 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Mississippi | Tishomingo, Mississippi | Tishomingo County, Mississippi | 0.545454545 | 1425 | Tishomingo | 141 | us-ms-141 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Mississippi | Tunica, Mississippi | Tunica County, Mississippi | 1 | 1426 | Tunica | 143 | us-ms-143 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Mississippi | Union, Mississippi | Union County, Mississippi | 0.083333333 | 1427 | Union | 145 | us-ms-145 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, manganese, strontium |
| Mississippi | Walthall, Mississippi | Walthall County, Mississippi | 0.25 | 1428 | Walthall | 147 | us-ms-147 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, cobalt, manganese, strontium |
| Mississippi | Warren, Mississippi | Warren County, Mississippi | 5.166666667 | 1429 | Warren | 149 | us-ms-149 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Mississippi | Washington, Mississippi | Washington County, Mississippi | 10.6 | 1430 | Washington | 151 | us-ms-151 | 159 | 0 | 0 | 0 | 0 | 0 | 0 | 147 | 0 | 12 | 0 | bromomethane, chloromethane, chromium, chromium-6, Halon 1011, strontium, vanadium |
| Mississippi | Wayne, Mississippi | Wayne County, Mississippi | 6.857142857 | 1431 | Wayne | 153 | us-ms-153 | 48 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 0 | 4 | 0 | |
| Mississippi | Webster, Mississippi | Webster County, Mississippi | 0.416666667 | 1432 | Webster | 155 | us-ms-155 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Mississippi | Yalobusha, Mississippi | Yalobusha County, Mississippi | 0.125 | 1433 | Yalobusha | 161 | us-ms-161 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | manganese, strontium |
| Mississippi | Yazoo, Mississippi | Yazoo County, Mississippi | 0.588235294 | 1434 | Yazoo | 163 | us-ms-163 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 4 | 0 | chromium-6, strontium |
| Montana | Beaverhead, Montana | Beaverhead County, Montana | 6.2 | 1435 | Beaverhead | 1 | us-mt-001 | 62 | 43 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 6 | 0 | |
| Montana | Blaine, Montana | Blaine County, Montana | 7.166666667 | 1436 | Blaine | 5 | us-mt-005 | 43 | 0 | 1 | 0 | 0 | 9 | 0 | 33 | 0 | 0 | 0 | |
| Montana | Broadwater, Montana | Broadwater County, Montana | 0.5 | 1437 | Broadwater | 7 | us-mt-007 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Montana | Carbon, Montana | Carbon County, Montana | 0.3 | 1438 | Carbon | 9 | us-mt-009 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Montana | Cascade, Montana | Cascade County, Montana | 1.414634146 | 1439 | Cascade | 13 | us-mt-013 | 58 | 29 | 4 | 0 | 1 | 0 | 4 | 5 | 0 | 15 | 0 | 4-androstene-3,17-dione, chromium-6, molybdenum, strontium, vanadium |
| Montana | Chouteau, Montana | Chouteau County, Montana | 0.6 | 1440 | Chouteau | 15 | us-mt-015 | 6 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Montana | Daniels, Montana | Daniels County, Montana | 3 | 1441 | Daniels | 19 | us-mt-019 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | |
| Montana | Dawson, Montana | Dawson County, Montana | 0.375 | 1442 | Dawson | 21 | us-mt-021 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Montana | Deer Lodge, Montana | Deer Lodge County, Montana | 0.25 | 1443 | Deer Lodge | 23 | us-mt-023 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Montana | Fergus, Montana | Fergus County, Montana | 4.461538462 | 1444 | Fergus | 27 | us-mt-027 | 58 | 0 | 3 | 0 | 0 | 35 | 0 | 0 | 0 | 20 | 0 | |
| Montana | Flathead, Montana | Flathead County, Montana | 1.0625 | 1445 | Flathead | 29 | us-mt-029 | 136 | 0 | 3 | 0 | 1 | 1 | 21 | 0 | 0 | 110 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Montana | Gallatin, Montana | Gallatin County, Montana | 1.156862745 | 1446 | Gallatin | 31 | us-mt-031 | 59 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 51 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Montana | Glacier, Montana | Glacier County, Montana | 1.3 | 1447 | Glacier | 35 | us-mt-035 | 13 | 8 | 1 | 0 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Montana | Golden Valley, Montana | Golden Valley County, Montana | 1.5 | 1448 | Golden Valley | 37 | us-mt-037 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Montana | Hill, Montana | Hill County, Montana | 13.875 | 1449 | Hill | 41 | us-mt-041 | 111 | 0 | 78 | 0 | 0 | 0 | 0 | 30 | 0 | 3 | 0 | |
| Montana | Jefferson, Montana | Jefferson County, Montana | 4.928571429 | 1450 | Jefferson | 43 | us-mt-043 | 69 | 4 | 0 | 0 | 0 | 0 | 49 | 0 | 0 | 16 | 0 | |
| Montana | Judith Basin, Montana | Judith Basin County, Montana | 0.25 | 1451 | Judith Basin | 45 | us-mt-045 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Montana | Lake, Montana | Lake County, Montana | 1.833333333 | 1452 | Lake | 47 | us-mt-047 | 44 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 38 | 0 | |
| Montana | Lewis and Clark, Montana | Lewis and Clark County, Montana | 1.098039216 | 1453 | Lewis and Clark | 49 | us-mt-049 | 56 | 39 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Montana | Liberty, Montana | Liberty County, Montana | 0.571428571 | 1454 | Liberty | 51 | us-mt-051 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Montana | Lincoln, Montana | Lincoln County, Montana | 3.117647059 | 1455 | Lincoln | 53 | us-mt-053 | 53 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 | |
| Montana | Madison, Montana | Madison County, Montana | 1.333333333 | 1456 | Madison | 57 | us-mt-057 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Montana | McCone, Montana | McCone County, Montana | 1 | 1457 | McCone | 55 | us-mt-055 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Montana | Meagher, Montana | Meagher County, Montana | 1 | 1458 | Meagher | 59 | us-mt-059 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Montana | Missoula, Montana | Missoula County, Montana | 1.469879518 | 1459 | Missoula | 63 | us-mt-063 | 122 | 0 | 10 | 0 | 1 | 0 | 0 | 5 | 0 | 106 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Montana | Musselshell, Montana | Musselshell County, Montana | 0.333333333 | 1460 | Musselshell | 65 | us-mt-065 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Montana | Park, Montana | Park County, Montana | 2.823529412 | 1461 | Park | 67 | us-mt-067 | 48 | 18 | 1 | 0 | 3 | 0 | 2 | 0 | 0 | 24 | 0 | |
| Montana | Phillips, Montana | Phillips County, Montana | 0.857142857 | 1462 | Phillips | 71 | us-mt-071 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Montana | Pondera, Montana | Pondera County, Montana | 10.2 | 1463 | Pondera | 73 | us-mt-073 | 102 | 7 | 11 | 0 | 0 | 5 | 6 | 70 | 0 | 3 | 0 | |
| Montana | Powell, Montana | Powell County, Montana | 2.5 | 1464 | Powell | 77 | us-mt-077 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Montana | Prairie, Montana | Prairie County, Montana | 4 | 1465 | Prairie | 79 | us-mt-079 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Montana | Ravalli, Montana | Ravalli County, Montana | 1.791666667 | 1466 | Ravalli | 81 | us-mt-081 | 43 | 0 | 4 | 0 | 2 | 0 | 0 | 9 | 0 | 28 | 0 | |
| Montana | Richland, Montana | Richland County, Montana | 2.333333333 | 1467 | Richland | 83 | us-mt-083 | 14 | 0 | 0 | 5 | 2 | 0 | 0 | 2 | 0 | 5 | 0 | |
| Montana | Roosevelt, Montana | Roosevelt County, Montana | 2.2 | 1468 | Roosevelt | 85 | us-mt-085 | 11 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | |
| Montana | Rosebud, Montana | Rosebud County, Montana | 2 | 1469 | Rosebud | 87 | us-mt-087 | 8 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | |
| Montana | Sanders, Montana | Sanders County, Montana | 2.153846154 | 1470 | Sanders | 89 | us-mt-089 | 28 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Montana | Sheridan, Montana | Sheridan County, Montana | 6 | 1471 | Sheridan | 91 | us-mt-091 | 30 | 10 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 1 | 0 | |
| Montana | Silver Bow, Montana | Silver Bow County, Montana | 1 | 1472 | Silver Bow | 93 | us-mt-093 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Montana | Stillwater, Montana | Stillwater County, Montana | 4.4 | 1473 | Stillwater | 95 | us-mt-095 | 22 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 7 | 0 | |
| Montana | Sweet Grass, Montana | Sweet Grass County, Montana | 1.25 | 1474 | Sweet Grass | 97 | us-mt-097 | 5 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Montana | Teton, Montana | Teton County, Montana | 0.888888889 | 1475 | Teton | 99 | us-mt-099 | 8 | 4 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | |
| Montana | Toole, Montana | Toole County, Montana | 2.909090909 | 1476 | Toole | 101 | us-mt-101 | 32 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 22 | 0 | chromium, chromium-6, manganese, molybdenum, strontium |
| Montana | Valley, Montana | Valley County, Montana | 3.090909091 | 1477 | Valley | 105 | us-mt-105 | 34 | 0 | 0 | 0 | 1 | 1 | 0 | 8 | 0 | 24 | 0 | |
| Montana | Wheatland, Montana | Wheatland County, Montana | 0.833333333 | 1478 | Wheatland | 107 | us-mt-107 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Montana | Wibaux, Montana | Wibaux County, Montana | 8 | 1479 | Wibaux | 109 | us-mt-109 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Montana | Yellowstone, Montana | Yellowstone County, Montana | 0.512820513 | 1480 | Yellowstone | 111 | us-mt-111 | 20 | 0 | 1 | 0 | 2 | 10 | 2 | 0 | 0 | 5 | 0 | 4-androstene-3,17-dione, chromium-6, manganese, molybdenum, strontium, vanadium |
| North Carolina | Alamance, North Carolina | Alamance County, North Carolina | 1.774193548 | 1481 | Alamance | 1 | us-nc-001 | 55 | 0 | 0 | 0 | 4 | 0 | 0 | 38 | 0 | 9 | 4 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Alexander, North Carolina | Alexander County, North Carolina | 0.25 | 1482 | Alexander | 3 | us-nc-003 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Alleghany, North Carolina | Alleghany County, North Carolina | 0.25 | 1483 | Alleghany | 5 | us-nc-005 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| North Carolina | Anson, North Carolina | Anson County, North Carolina | 3.428571429 | 1484 | Anson | 7 | us-nc-007 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Ashe, North Carolina | Ashe County, North Carolina | 2.272727273 | 1485 | Ashe | 9 | us-nc-009 | 25 | 0 | 0 | 0 | 5 | 0 | 16 | 0 | 0 | 0 | 4 | |
| North Carolina | Avery, North Carolina | Avery County, North Carolina | 0.444444444 | 1486 | Avery | 11 | us-nc-011 | 8 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | |
| North Carolina | Beaufort, North Carolina | Beaufort County, North Carolina | 0.25 | 1487 | Beaufort | 13 | us-nc-013 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium |
| North Carolina | Bertie, North Carolina | Bertie County, North Carolina | 0.2 | 1488 | Bertie | 15 | us-nc-015 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, Halon 1011, molybdenum, strontium |
| North Carolina | Bladen, North Carolina | Bladen County, North Carolina | 0.111111111 | 1489 | Bladen | 17 | us-nc-017 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chloromethane, chromium-6, cobalt, strontium, vanadium |
| North Carolina | Brunswick, North Carolina | Brunswick County, North Carolina | 0.333333333 | 1490 | Brunswick | 19 | us-nc-019 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, PFOA, strontium, vanadium |
| North Carolina | Buncombe, North Carolina | Buncombe County, North Carolina | 0.394736842 | 1491 | Buncombe | 21 | us-nc-021 | 15 | 0 | 0 | 0 | 8 | 0 | 0 | 2 | 0 | 5 | 0 | 4-androstene-3,17-dione, chlorate, chromium-6, strontium, vanadium |
| North Carolina | Burke, North Carolina | Burke County, North Carolina | 0.368421053 | 1492 | Burke | 23 | us-nc-023 | 7 | 0 | 1 | 0 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Cabarrus, North Carolina | Cabarrus County, North Carolina | 0.5 | 1493 | Cabarrus | 25 | us-nc-025 | 20 | 0 | 0 | 0 | 1 | 0 | 9 | 6 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Caldwell, North Carolina | Caldwell County, North Carolina | 0.142857143 | 1494 | Caldwell | 27 | us-nc-027 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Carteret, North Carolina | Carteret County, North Carolina | 1.441176471 | 1495 | Carteret | 31 | us-nc-031 | 49 | 0 | 0 | 0 | 4 | 0 | 0 | 29 | 3 | 13 | 0 | chlorate, chloromethane, chromium, chromium-6, manganese, strontium |
| North Carolina | Caswell, North Carolina | Caswell County, North Carolina | 3.5 | 1496 | Caswell | 33 | us-nc-033 | 21 | 0 | 0 | 4 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | |
| North Carolina | Catawba, North Carolina | Catawba County, North Carolina | 0.084337349 | 1497 | Catawba | 35 | us-nc-035 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 2 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| North Carolina | Chatham, North Carolina | Chatham County, North Carolina | 7.590909091 | 1498 | Chatham | 37 | us-nc-037 | 167 | 0 | 1 | 0 | 9 | 0 | 13 | 143 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium, vanadium |
| North Carolina | Cherokee, North Carolina | Cherokee County, North Carolina | 0.166666667 | 1499 | Cherokee | 39 | us-nc-039 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| North Carolina | Chowan, North Carolina | Chowan County, North Carolina | 5.5 | 1500 | Chowan | 41 | us-nc-041 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | strontium |
| North Carolina | Clay, North Carolina | Clay County, North Carolina | 0.4 | 1501 | Clay | 43 | us-nc-043 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| North Carolina | Cleveland, North Carolina | Cleveland County, North Carolina | 0.75 | 1502 | Cleveland | 45 | us-nc-045 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Columbus, North Carolina | Columbus County, North Carolina | 1.117647059 | 1503 | Columbus | 47 | us-nc-047 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 17 | 0 | 1 | 0 | |
| North Carolina | Craven, North Carolina | Craven County, North Carolina | 1 | 1504 | Craven | 49 | us-nc-049 | 13 | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| North Carolina | Cumberland, North Carolina | Cumberland County, North Carolina | 4.571428571 | 1505 | Cumberland | 51 | us-nc-051 | 160 | 0 | 0 | 0 | 5 | 4 | 137 | 7 | 0 | 7 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFHpA, PFOA, PFOS, strontium, vanadium |
| North Carolina | Currituck, North Carolina | Currituck County, North Carolina | 0.714285714 | 1506 | Currituck | 53 | us-nc-053 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | chlorate, chromium-6, strontium |
| North Carolina | Davidson, North Carolina | Davidson County, North Carolina | 1 | 1507 | Davidson | 57 | us-nc-057 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| North Carolina | Davie, North Carolina | Davie County, North Carolina | 2.666666667 | 1508 | Davie | 59 | us-nc-059 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 0 | chlorate, chromium-6, strontium, vanadium |
| North Carolina | Duplin, North Carolina | Duplin County, North Carolina | 0.357142857 | 1509 | Duplin | 61 | us-nc-061 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 1,1-dichloroethane, chloromethane, chromium-6, strontium |
| North Carolina | Durham, North Carolina | Durham County, North Carolina | 0.3 | 1510 | Durham | 63 | us-nc-063 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Edgecombe, North Carolina | Edgecombe County, North Carolina | 3.125 | 1511 | Edgecombe | 65 | us-nc-065 | 25 | 0 | 2 | 0 | 0 | 0 | 0 | 17 | 0 | 6 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| North Carolina | Forsyth, North Carolina | Forsyth County, North Carolina | 0.533333333 | 1512 | Forsyth | 67 | us-nc-067 | 8 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium-6, strontium, vanadium |
| North Carolina | Franklin, North Carolina | Franklin County, North Carolina | 3.388888889 | 1513 | Franklin | 69 | us-nc-069 | 61 | 0 | 0 | 0 | 1 | 0 | 0 | 55 | 0 | 5 | 0 | |
| North Carolina | Gaston, North Carolina | Gaston County, North Carolina | 0.387755102 | 1514 | Gaston | 71 | us-nc-071 | 57 | 0 | 2 | 0 | 4 | 4 | 19 | 20 | 0 | 8 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Graham, North Carolina | Graham County, North Carolina | 0.833333333 | 1515 | Graham | 75 | us-nc-075 | 5 | 0 | 1 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | |
| North Carolina | Granville, North Carolina | Granville County, North Carolina | 3.777777778 | 1516 | Granville | 77 | us-nc-077 | 34 | 0 | 1 | 0 | 0 | 0 | 0 | 27 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium |
| North Carolina | Guilford, North Carolina | Guilford County, North Carolina | 0.714285714 | 1517 | Guilford | 81 | us-nc-081 | 60 | 0 | 1 | 0 | 3 | 0 | 20 | 18 | 0 | 18 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFHxS, PFOS, strontium, vanadium |
| North Carolina | Halifax, North Carolina | Halifax County, North Carolina | 12.5 | 1518 | Halifax | 83 | us-nc-083 | 100 | 0 | 3 | 0 | 0 | 0 | 0 | 96 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| North Carolina | Harnett, North Carolina | Harnett County, North Carolina | 0.714285714 | 1519 | Harnett | 85 | us-nc-085 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, PFHpA, PFOA, strontium, vanadium |
| North Carolina | Haywood, North Carolina | Haywood County, North Carolina | 0.1 | 1520 | Haywood | 87 | us-nc-087 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, strontium |
| North Carolina | Henderson, North Carolina | Henderson County, North Carolina | 0.361111111 | 1521 | Henderson | 89 | us-nc-089 | 13 | 0 | 0 | 0 | 9 | 0 | 0 | 3 | 0 | 1 | 0 | chlorate, chromium-6, strontium |
| North Carolina | Hertford, North Carolina | Hertford County, North Carolina | 0.125 | 1522 | Hertford | 91 | us-nc-091 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | manganese, strontium |
| North Carolina | Hoke, North Carolina | Hoke County, North Carolina | 0.375 | 1523 | Hoke | 93 | us-nc-093 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| North Carolina | Iredell, North Carolina | Iredell County, North Carolina | 0.49122807 | 1524 | Iredell | 97 | us-nc-097 | 28 | 0 | 0 | 0 | 0 | 0 | 24 | 3 | 0 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| North Carolina | Jackson, North Carolina | Jackson County, North Carolina | 1.315789474 | 1525 | Jackson | 99 | us-nc-099 | 50 | 0 | 0 | 0 | 15 | 0 | 25 | 2 | 0 | 8 | 0 | chlorate, chromium-6, manganese, strontium |
| North Carolina | Johnston, North Carolina | Johnston County, North Carolina | 1.12244898 | 1526 | Johnston | 101 | us-nc-101 | 55 | 0 | 1 | 0 | 0 | 0 | 20 | 21 | 2 | 11 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| North Carolina | Lee, North Carolina | Lee County, North Carolina | 3.666666667 | 1527 | Lee | 105 | us-nc-105 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 8 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, strontium, vanadium |
| North Carolina | Lincoln, North Carolina | Lincoln County, North Carolina | 0.25 | 1528 | Lincoln | 109 | us-nc-109 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Macon, North Carolina | Macon County, North Carolina | 0.52 | 1529 | Macon | 113 | us-nc-113 | 13 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, n-propylbenzene, strontium, vanadium |
| North Carolina | Madison, North Carolina | Madison County, North Carolina | 1.2 | 1530 | Madison | 115 | us-nc-115 | 6 | 0 | 0 | 0 | 3 | 0 | 0 | 3 | 0 | 0 | 0 | |
| North Carolina | Martin, North Carolina | Martin County, North Carolina | 0.2 | 1531 | Martin | 117 | us-nc-117 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| North Carolina | McDowell, North Carolina | McDowell County, North Carolina | 0.454545455 | 1532 | McDowell | 111 | us-nc-111 | 10 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | |
| North Carolina | Mecklenburg, North Carolina | Mecklenburg County, North Carolina | 0.25 | 1533 | Mecklenburg | 119 | us-nc-119 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 4 | chromium, chromium-6, strontium, vanadium |
| North Carolina | Mitchell, North Carolina | Mitchell County, North Carolina | 0.2 | 1534 | Mitchell | 121 | us-nc-121 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| North Carolina | Montgomery, North Carolina | Montgomery County, North Carolina | 0.5 | 1535 | Montgomery | 123 | us-nc-123 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1,4-dioxane, chromium-6, strontium, vanadium |
| North Carolina | Moore, North Carolina | Moore County, North Carolina | 4.24137931 | 1536 | Moore | 125 | us-nc-125 | 123 | 0 | 0 | 0 | 4 | 0 | 54 | 61 | 0 | 2 | 2 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, HCFC-22, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| North Carolina | Nash, North Carolina | Nash County, North Carolina | 1.388888889 | 1537 | Nash | 127 | us-nc-127 | 25 | 0 | 0 | 0 | 2 | 0 | 1 | 6 | 0 | 3 | 13 | 1,1-dichloroethane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, PFOS, strontium, vanadium |
| North Carolina | New Hanover, North Carolina | New Hanover County, North Carolina | 0.636363636 | 1538 | New Hanover | 129 | us-nc-129 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, PFHpA, strontium, vanadium |
| North Carolina | Northampton, North Carolina | Northampton County, North Carolina | 2.357142857 | 1539 | Northampton | 131 | us-nc-131 | 33 | 0 | 0 | 0 | 2 | 0 | 4 | 27 | 0 | 0 | 0 | |
| North Carolina | Onslow, North Carolina | Onslow County, North Carolina | 0.466666667 | 1540 | Onslow | 133 | us-nc-133 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 3 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| North Carolina | Orange, North Carolina | Orange County, North Carolina | 0.275862069 | 1541 | Orange | 135 | us-nc-135 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 3 | 0 | chlorate, chromium-6, PFOA, strontium |
| North Carolina | Pender, North Carolina | Pender County, North Carolina | 2.714285714 | 1542 | Pender | 141 | us-nc-141 | 38 | 0 | 1 | 0 | 3 | 0 | 0 | 33 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium-6, strontium, vanadium |
| North Carolina | Perquimans, North Carolina | Perquimans County, North Carolina | 1 | 1543 | Perquimans | 143 | us-nc-143 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| North Carolina | Person, North Carolina | Person County, North Carolina | 2 | 1544 | Person | 145 | us-nc-145 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Pitt, North Carolina | Pitt County, North Carolina | 0.357142857 | 1545 | Pitt | 147 | us-nc-147 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, manganese, molybdenum, PFOS, strontium, vanadium |
| North Carolina | Randolph, North Carolina | Randolph County, North Carolina | 2.885714286 | 1546 | Randolph | 151 | us-nc-151 | 101 | 0 | 0 | 0 | 4 | 0 | 0 | 86 | 0 | 4 | 7 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Richmond, North Carolina | Richmond County, North Carolina | 4 | 1547 | Richmond | 153 | us-nc-153 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, strontium, vanadium |
| North Carolina | Robeson, North Carolina | Robeson County, North Carolina | 0.2 | 1548 | Robeson | 155 | us-nc-155 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chlorate, chloromethane, chromium, chromium-6, cobalt, strontium, vanadium |
| North Carolina | Rockingham, North Carolina | Rockingham County, North Carolina | 1.111111111 | 1549 | Rockingham | 157 | us-nc-157 | 40 | 0 | 0 | 0 | 5 | 0 | 0 | 32 | 0 | 3 | 0 | 1,2,3-trichloropropane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| North Carolina | Rowan, North Carolina | Rowan County, North Carolina | 0.166666667 | 1550 | Rowan | 159 | us-nc-159 | 7 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Rutherford, North Carolina | Rutherford County, North Carolina | 0.6 | 1551 | Rutherford | 161 | us-nc-161 | 9 | 0 | 0 | 0 | 1 | 0 | 3 | 3 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Sampson, North Carolina | Sampson County, North Carolina | 0.153846154 | 1552 | Sampson | 163 | us-nc-163 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium-6, strontium |
| North Carolina | Scotland, North Carolina | Scotland County, North Carolina | 0.4 | 1553 | Scotland | 165 | us-nc-165 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, cobalt, strontium |
| North Carolina | Stanly, North Carolina | Stanly County, North Carolina | 11.21428571 | 1554 | Stanly | 167 | us-nc-167 | 157 | 0 | 2 | 0 | 4 | 0 | 0 | 146 | 4 | 1 | 0 | 1,4-dioxane, chromium, chromium-6, PFHpA, strontium, vanadium |
| North Carolina | Stokes, North Carolina | Stokes County, North Carolina | 2.142857143 | 1555 | Stokes | 169 | us-nc-169 | 15 | 0 | 2 | 0 | 1 | 0 | 11 | 1 | 0 | 0 | 0 | chlorate, chromium-6, strontium, vanadium |
| North Carolina | Surry, North Carolina | Surry County, North Carolina | 0.315789474 | 1556 | Surry | 171 | us-nc-171 | 12 | 0 | 0 | 0 | 2 | 0 | 0 | 5 | 0 | 5 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| North Carolina | Swain, North Carolina | Swain County, North Carolina | 1.333333333 | 1557 | Swain | 173 | us-nc-173 | 8 | 0 | 0 | 0 | 5 | 0 | 0 | 2 | 0 | 1 | 0 | |
| North Carolina | Transylvania, North Carolina | Transylvania County, North Carolina | 0.764705882 | 1558 | Transylvania | 175 | us-nc-175 | 13 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | 0 | 0 | 0 | |
| North Carolina | Union, North Carolina | Union County, North Carolina | 2.333333333 | 1559 | Union | 179 | us-nc-179 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Vance, North Carolina | Vance County, North Carolina | 0.5 | 1560 | Vance | 181 | us-nc-181 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Wake, North Carolina | Wake County, North Carolina | 0.973856209 | 1561 | Wake | 183 | us-nc-183 | 298 | 0 | 0 | 5 | 9 | 0 | 225 | 9 | 9 | 32 | 9 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFHpA, PFHxS, PFOA, strontium, vanadium |
| North Carolina | Warren, North Carolina | Warren County, North Carolina | 2.333333333 | 1562 | Warren | 185 | us-nc-185 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 35 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| North Carolina | Washington, North Carolina | Washington County, North Carolina | 4.5 | 1563 | Washington | 187 | us-nc-187 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 1 | 0 | |
| North Carolina | Watauga, North Carolina | Watauga County, North Carolina | 0.518518519 | 1564 | Watauga | 189 | us-nc-189 | 14 | 0 | 0 | 0 | 4 | 0 | 0 | 9 | 0 | 1 | 0 | chlorate, chloromethane, chromium, chromium-6, manganese, strontium |
| North Carolina | Wayne, North Carolina | Wayne County, North Carolina | 0.111111111 | 1565 | Wayne | 191 | us-nc-191 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| North Carolina | Wilkes, North Carolina | Wilkes County, North Carolina | 0.2 | 1566 | Wilkes | 193 | us-nc-193 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| North Carolina | Wilson, North Carolina | Wilson County, North Carolina | 1.4 | 1567 | Wilson | 195 | us-nc-195 | 14 | 0 | 0 | 0 | 1 | 0 | 8 | 0 | 0 | 5 | 0 | chlorate, chromium-6, cobalt, strontium |
| North Carolina | Yadkin, North Carolina | Yadkin County, North Carolina | 3 | 1568 | Yadkin | 197 | us-nc-197 | 33 | 0 | 2 | 0 | 0 | 1 | 13 | 14 | 0 | 3 | 0 | |
| North Carolina | Yancey, North Carolina | Yancey County, North Carolina | 0.666666667 | 1569 | Yancey | 199 | us-nc-199 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| North Dakota | Barnes, North Dakota | Barnes County, North Dakota | 0.333333333 | 1570 | Barnes | 3 | us-nd-003 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Benson, North Dakota | Benson County, North Dakota | 1.4 | 1571 | Benson | 5 | us-nd-005 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| North Dakota | Bottineau, North Dakota | Bottineau County, North Dakota | 0.125 | 1572 | Bottineau | 9 | us-nd-009 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Burke, North Dakota | Burke County, North Dakota | 1.166666667 | 1573 | Burke | 13 | us-nd-013 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | |
| North Dakota | Cass, North Dakota | Cass County, North Dakota | 0.448275862 | 1574 | Cass | 17 | us-nd-017 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| North Dakota | Eddy, North Dakota | Eddy County, North Dakota | 0.5 | 1575 | Eddy | 27 | us-nd-027 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Emmons, North Dakota | Emmons County, North Dakota | 0.166666667 | 1576 | Emmons | 29 | us-nd-029 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Golden Valley, North Dakota | Golden Valley County, North Dakota | 0.333333333 | 1577 | Golden Valley | 33 | us-nd-033 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Grant, North Dakota | Grant County, North Dakota | 0.25 | 1578 | Grant | 37 | us-nd-037 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Griggs, North Dakota | Griggs County, North Dakota | 0.4 | 1579 | Griggs | 39 | us-nd-039 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| North Dakota | Kidder, North Dakota | Kidder County, North Dakota | 0.666666667 | 1580 | Kidder | 43 | us-nd-043 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| North Dakota | LaMoure, North Dakota | LaMoure County, North Dakota | 0.875 | 1581 | LaMoure | 45 | us-nd-045 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 5 | 0 | |
| North Dakota | Logan, North Dakota | Logan County, North Dakota | 0.5 | 1582 | Logan | 47 | us-nd-047 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, manganese, molybdenum, strontium |
| North Dakota | McHenry, North Dakota | McHenry County, North Dakota | 2.833333333 | 1583 | McHenry | 49 | us-nd-049 | 17 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | McIntosh, North Dakota | McIntosh County, North Dakota | 1 | 1584 | McIntosh | 51 | us-nd-051 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| North Dakota | McKenzie, North Dakota | McKenzie County, North Dakota | 0.5 | 1585 | McKenzie | 53 | us-nd-053 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | |
| North Dakota | McLean, North Dakota | McLean County, North Dakota | 1.692307692 | 1586 | McLean | 55 | us-nd-055 | 22 | 0 | 3 | 0 | 0 | 0 | 0 | 18 | 0 | 1 | 0 | |
| North Dakota | Mercer, North Dakota | Mercer County, North Dakota | 0.285714286 | 1587 | Mercer | 57 | us-nd-057 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| North Dakota | Mountrail, North Dakota | Mountrail County, North Dakota | 0.8 | 1588 | Mountrail | 61 | us-nd-061 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | |
| North Dakota | Nelson, North Dakota | Nelson County, North Dakota | 0.142857143 | 1589 | Nelson | 63 | us-nd-063 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Pembina, North Dakota | Pembina County, North Dakota | 0.5 | 1590 | Pembina | 67 | us-nd-067 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | |
| North Dakota | Ramsey, North Dakota | Ramsey County, North Dakota | 1 | 1591 | Ramsey | 71 | us-nd-071 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Renville, North Dakota | Renville County, North Dakota | 0.333333333 | 1592 | Renville | 75 | us-nd-075 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Richland, North Dakota | Richland County, North Dakota | 0.230769231 | 1593 | Richland | 77 | us-nd-077 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| North Dakota | Rolette, North Dakota | Rolette County, North Dakota | 0.4 | 1594 | Rolette | 79 | us-nd-079 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| North Dakota | Sargent, North Dakota | Sargent County, North Dakota | 1 | 1595 | Sargent | 81 | us-nd-081 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| North Dakota | Sioux, North Dakota | Sioux County, North Dakota | 1.5 | 1596 | Sioux | 85 | us-nd-085 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| North Dakota | Stark, North Dakota | Stark County, North Dakota | 0.142857143 | 1597 | Stark | 89 | us-nd-089 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| North Dakota | Stutsman, North Dakota | Stutsman County, North Dakota | 0.375 | 1598 | Stutsman | 93 | us-nd-093 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| North Dakota | Traill, North Dakota | Traill County, North Dakota | 0.166666667 | 1599 | Traill | 97 | us-nd-097 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| North Dakota | Ward, North Dakota | Ward County, North Dakota | 1.866666667 | 1600 | Ward | 101 | us-nd-101 | 28 | 21 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| North Dakota | Wells, North Dakota | Wells County, North Dakota | 1.333333333 | 1601 | Wells | 103 | us-nd-103 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | |
| North Dakota | Williams, North Dakota | Williams County, North Dakota | 0.714285714 | 1602 | Williams | 105 | us-nd-105 | 10 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Adams, Nebraska | Adams County, Nebraska | 5.428571429 | 1603 | Adams | 1 | us-ne-001 | 38 | 4 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 17 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Nebraska | Antelope, Nebraska | Antelope County, Nebraska | 5.714285714 | 1604 | Antelope | 3 | us-ne-003 | 40 | 12 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 25 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Banner, Nebraska | Banner County, Nebraska | 3 | 1605 | Banner | 7 | us-ne-007 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Nebraska | Blaine, Nebraska | Blaine County, Nebraska | 1 | 1606 | Blaine | 9 | us-ne-009 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Nebraska | Boone, Nebraska | Boone County, Nebraska | 4 | 1607 | Boone | 11 | us-ne-011 | 20 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Nebraska | Box Butte, Nebraska | Box Butte County, Nebraska | 7 | 1608 | Box Butte | 13 | us-ne-013 | 14 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | |
| Nebraska | Boyd, Nebraska | Boyd County, Nebraska | 3.428571429 | 1609 | Boyd | 15 | us-ne-015 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | |
| Nebraska | Brown, Nebraska | Brown County, Nebraska | 8.5 | 1610 | Brown | 17 | us-ne-017 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | |
| Nebraska | Buffalo, Nebraska | Buffalo County, Nebraska | 2.933333333 | 1611 | Buffalo | 19 | us-ne-019 | 44 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Burt, Nebraska | Burt County, Nebraska | 1 | 1612 | Burt | 21 | us-ne-021 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | |
| Nebraska | Butler, Nebraska | Butler County, Nebraska | 5.5 | 1613 | Butler | 23 | us-ne-023 | 55 | 20 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | |
| Nebraska | Cass, Nebraska | Cass County, Nebraska | 1.956521739 | 1614 | Cass | 25 | us-ne-025 | 45 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 44 | 0 | |
| Nebraska | Cedar, Nebraska | Cedar County, Nebraska | 8.5 | 1615 | Cedar | 27 | us-ne-027 | 102 | 0 | 4 | 8 | 0 | 21 | 3 | 40 | 0 | 26 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Nebraska | Chase, Nebraska | Chase County, Nebraska | 4.5 | 1617 | Chase | 29 | us-ne-029 | 9 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Nebraska | Cherry, Nebraska | Cherry County, Nebraska | 5.5 | 1618 | Cherry | 31 | us-ne-031 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 0 | |
| Nebraska | Cheyenne, Nebraska | Cheyenne County, Nebraska | 6.333333333 | 1619 | Cheyenne | 33 | us-ne-033 | 38 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | |
| Nebraska | Clay, Nebraska | Clay County, Nebraska | 8.555555556 | 1620 | Clay | 35 | us-ne-035 | 77 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 0 | 36 | 0 | |
| Nebraska | Colfax, Nebraska | Colfax County, Nebraska | 7 | 1621 | Colfax | 37 | us-ne-037 | 35 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 32 | 0 | |
| Nebraska | Cuming, Nebraska | Cuming County, Nebraska | 7 | 1622 | Cuming | 39 | us-ne-039 | 35 | 0 | 0 | 5 | 0 | 0 | 1 | 0 | 0 | 29 | 0 | |
| Nebraska | Custer, Nebraska | Custer County, Nebraska | 5.2 | 1623 | Custer | 41 | us-ne-041 | 52 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 36 | 0 | |
| Nebraska | Dakota, Nebraska | Dakota County, Nebraska | 0.428571429 | 1624 | Dakota | 43 | us-ne-043 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,1-dichloroethane, 1,4-dioxane, molybdenum, strontium, vanadium |
| Nebraska | Dawes, Nebraska | Dawes County, Nebraska | 4.166666667 | 1625 | Dawes | 45 | us-ne-045 | 25 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | |
| Nebraska | Dawson, Nebraska | Dawson County, Nebraska | 1.727272727 | 1626 | Dawson | 47 | us-ne-047 | 19 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 16 | 0 | chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Nebraska | Deuel, Nebraska | Deuel County, Nebraska | 4 | 1627 | Deuel | 49 | us-ne-049 | 8 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Nebraska | Dixon, Nebraska | Dixon County, Nebraska | 3 | 1628 | Dixon | 51 | us-ne-051 | 30 | 0 | 0 | 0 | 0 | 6 | 6 | 0 | 0 | 18 | 0 | |
| Nebraska | Dodge, Nebraska | Dodge County, Nebraska | 2.461538462 | 1629 | Dodge | 53 | us-ne-053 | 32 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 7 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Douglas, Nebraska | Douglas County, Nebraska | 0.2 | 1630 | Douglas | 55 | us-ne-055 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Dundy, Nebraska | Dundy County, Nebraska | 27.5 | 1631 | Dundy | 57 | us-ne-057 | 55 | 13 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 8 | 0 | |
| Nebraska | Fillmore, Nebraska | Fillmore County, Nebraska | 0.428571429 | 1632 | Fillmore | 59 | us-ne-059 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | |
| Nebraska | Franklin, Nebraska | Franklin County, Nebraska | 8.428571429 | 1633 | Franklin | 61 | us-ne-061 | 59 | 5 | 0 | 0 | 0 | 21 | 1 | 0 | 0 | 32 | 0 | |
| Nebraska | Frontier, Nebraska | Frontier County, Nebraska | 4.6 | 1634 | Frontier | 63 | us-ne-063 | 23 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 21 | 1 | |
| Nebraska | Furnas, Nebraska | Furnas County, Nebraska | 5.714285714 | 1635 | Furnas | 65 | us-ne-065 | 40 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 31 | 0 | |
| Nebraska | Gage, Nebraska | Gage County, Nebraska | 2.733333333 | 1637 | Gage | 67 | us-ne-067 | 41 | 0 | 1 | 0 | 0 | 11 | 0 | 0 | 0 | 29 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Garden, Nebraska | Garden County, Nebraska | 3 | 1638 | Garden | 69 | us-ne-069 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Nebraska | Garfield, Nebraska | Garfield County, Nebraska | 1 | 1639 | Garfield | 71 | us-ne-071 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Nebraska | Gosper, Nebraska | Gosper County, Nebraska | 1.333333333 | 1640 | Gosper | 73 | us-ne-073 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Nebraska | Grant, Nebraska | Grant County, Nebraska | 4 | 1641 | Grant | 75 | us-ne-075 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Nebraska | Greeley, Nebraska | Greeley County, Nebraska | 2.75 | 1642 | Greeley | 77 | us-ne-077 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Nebraska | Hall, Nebraska | Hall County, Nebraska | 4.833333333 | 1643 | Hall | 79 | us-ne-079 | 29 | 1 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 11 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Nebraska | Hamilton, Nebraska | Hamilton County, Nebraska | 2.333333333 | 1644 | Hamilton | 81 | us-ne-081 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 1 | |
| Nebraska | Harlan, Nebraska | Harlan County, Nebraska | 5 | 1645 | Harlan | 83 | us-ne-083 | 30 | 0 | 0 | 0 | 0 | 22 | 0 | 0 | 0 | 8 | 0 | |
| Nebraska | Hayes, Nebraska | Hayes County, Nebraska | 9 | 1646 | Hayes | 85 | us-ne-085 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | |
| Nebraska | Hitchcock, Nebraska | Hitchcock County, Nebraska | 6 | 1647 | Hitchcock | 87 | us-ne-087 | 24 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | |
| Nebraska | Holt, Nebraska | Holt County, Nebraska | 5 | 1648 | Holt | 89 | us-ne-089 | 35 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 28 | 0 | |
| Nebraska | Hooker, Nebraska | Hooker County, Nebraska | 2 | 1649 | Hooker | 91 | us-ne-091 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Nebraska | Howard, Nebraska | Howard County, Nebraska | 3.6 | 1650 | Howard | 93 | us-ne-093 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | |
| Nebraska | Jefferson, Nebraska | Jefferson County, Nebraska | 2.9 | 1651 | Jefferson | 95 | us-ne-095 | 29 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 14 | 0 | |
| Nebraska | Johnson, Nebraska | Johnson County, Nebraska | 1 | 1652 | Johnson | 97 | us-ne-097 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Nebraska | Kearney, Nebraska | Kearney County, Nebraska | 3.75 | 1653 | Kearney | 99 | us-ne-099 | 15 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 12 | 0 | |
| Nebraska | Keith, Nebraska | Keith County, Nebraska | 3.75 | 1654 | Keith | 101 | us-ne-101 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | |
| Nebraska | Keya Paha, Nebraska | Keya Paha County, Nebraska | 2 | 1655 | Keya Paha | 103 | us-ne-103 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Nebraska | Kimball, Nebraska | Kimball County, Nebraska | 2 | 1656 | Kimball | 105 | us-ne-105 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Nebraska | Knox, Nebraska | Knox County, Nebraska | 1.916666667 | 1657 | Knox | 107 | us-ne-107 | 23 | 0 | 0 | 0 | 0 | 5 | 0 | 6 | 0 | 12 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Nebraska | Lancaster, Nebraska | Lancaster County, Nebraska | 3.952380952 | 1658 | Lancaster | 109 | us-ne-109 | 83 | 3 | 0 | 0 | 0 | 14 | 16 | 0 | 0 | 50 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Lincoln, Nebraska | Lincoln County, Nebraska | 3.6 | 1659 | Lincoln | 111 | us-ne-111 | 36 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 31 | 0 | 1,1-dichloroethane, 1,4-dioxane, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, vanadium |
| Nebraska | Logan, Nebraska | Logan County, Nebraska | 3 | 1660 | Logan | 113 | us-ne-113 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Nebraska | Madison, Nebraska | Madison County, Nebraska | 2.5 | 1661 | Madison | 119 | us-ne-119 | 20 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 17 | 0 | 1,4-dioxane, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Merrick, Nebraska | Merrick County, Nebraska | 4.8 | 1662 | Merrick | 121 | us-ne-121 | 24 | 0 | 0 | 0 | 0 | 1 | 17 | 0 | 0 | 6 | 0 | |
| Nebraska | Morrill, Nebraska | Morrill County, Nebraska | 17.66666667 | 1663 | Morrill | 123 | us-ne-123 | 53 | 0 | 0 | 0 | 0 | 19 | 13 | 0 | 0 | 21 | 0 | |
| Nebraska | Nance, Nebraska | Nance County, Nebraska | 4 | 1664 | Nance | 125 | us-ne-125 | 12 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Nebraska | Nemaha, Nebraska | Nemaha County, Nebraska | 1.888888889 | 1665 | Nemaha | 127 | us-ne-127 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | |
| Nebraska | Nuckolls, Nebraska | Nuckolls County, Nebraska | 3.2 | 1666 | Nuckolls | 129 | us-ne-129 | 16 | 0 | 6 | 0 | 0 | 2 | 0 | 0 | 0 | 8 | 0 | |
| Nebraska | Otoe, Nebraska | Otoe County, Nebraska | 2.181818182 | 1667 | Otoe | 131 | us-ne-131 | 24 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | |
| Nebraska | Pawnee, Nebraska | Pawnee County, Nebraska | 2 | 1668 | Pawnee | 133 | us-ne-133 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | |
| Nebraska | Perkins, Nebraska | Perkins County, Nebraska | 5.8 | 1669 | Perkins | 135 | us-ne-135 | 29 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 27 | 0 | |
| Nebraska | Phelps, Nebraska | Phelps County, Nebraska | 3.2 | 1670 | Phelps | 137 | us-ne-137 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | |
| Nebraska | Pierce, Nebraska | Pierce County, Nebraska | 6 | 1671 | Pierce | 139 | us-ne-139 | 24 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 18 | 0 | |
| Nebraska | Platte, Nebraska | Platte County, Nebraska | 8.1 | 1672 | Platte | 141 | us-ne-141 | 81 | 16 | 0 | 28 | 0 | 7 | 0 | 1 | 0 | 29 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Polk, Nebraska | Polk County, Nebraska | 3.75 | 1673 | Polk | 143 | us-ne-143 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | |
| Nebraska | Red Willow, Nebraska | Red Willow County, Nebraska | 6.2 | 1674 | Red Willow | 145 | us-ne-145 | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 0 | |
| Nebraska | Richardson, Nebraska | Richardson County, Nebraska | 6.1 | 1675 | Richardson | 147 | us-ne-147 | 61 | 0 | 0 | 0 | 0 | 43 | 0 | 0 | 0 | 18 | 0 | |
| Nebraska | Rock, Nebraska | Rock County, Nebraska | 7 | 1676 | Rock | 149 | us-ne-149 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | |
| Nebraska | Saline, Nebraska | Saline County, Nebraska | 1.25 | 1677 | Saline | 151 | us-ne-151 | 10 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 0 | |
| Nebraska | Sarpy, Nebraska | Sarpy County, Nebraska | 2.846153846 | 1678 | Sarpy | 153 | us-ne-153 | 37 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 33 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Nebraska | Saunders, Nebraska | Saunders County, Nebraska | 2.571428571 | 1679 | Saunders | 155 | us-ne-155 | 54 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 47 | 0 | |
| Nebraska | Scotts Bluff, Nebraska | Scotts Bluff County, Nebraska | 9.727272727 | 1680 | Scotts Bluff | 157 | us-ne-157 | 107 | 3 | 0 | 0 | 0 | 0 | 74 | 0 | 0 | 30 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nebraska | Seward, Nebraska | Seward County, Nebraska | 3 | 1681 | Seward | 159 | us-ne-159 | 36 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 32 | 0 | |
| Nebraska | Sheridan, Nebraska | Sheridan County, Nebraska | 4 | 1682 | Sheridan | 161 | us-ne-161 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | |
| Nebraska | Sherman, Nebraska | Sherman County, Nebraska | 2.75 | 1683 | Sherman | 163 | us-ne-163 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Nebraska | Sioux, Nebraska | Sioux County, Nebraska | 4 | 1684 | Sioux | 165 | us-ne-165 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | |
| Nebraska | Stanton, Nebraska | Stanton County, Nebraska | 1.75 | 1685 | Stanton | 167 | us-ne-167 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Nebraska | Thayer, Nebraska | Thayer County, Nebraska | 3 | 1686 | Thayer | 169 | us-ne-169 | 30 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 27 | 0 | |
| Nebraska | Thurston, Nebraska | Thurston County, Nebraska | 0.7 | 1687 | Thurston | 173 | us-ne-173 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 6 | 0 | |
| Nebraska | Valley, Nebraska | Valley County, Nebraska | 16 | 1688 | Valley | 175 | us-ne-175 | 48 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | |
| Nebraska | Washington, Nebraska | Washington County, Nebraska | 2.454545455 | 1689 | Washington | 177 | us-ne-177 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 12 | 0 | |
| Nebraska | Wayne, Nebraska | Wayne County, Nebraska | 4 | 1690 | Wayne | 179 | us-ne-179 | 16 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | |
| Nebraska | Webster, Nebraska | Webster County, Nebraska | 3.75 | 1691 | Webster | 181 | us-ne-181 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 14 | 0 | |
| Nebraska | Wheeler, Nebraska | Wheeler County, Nebraska | 2 | 1692 | Wheeler | 183 | us-ne-183 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Nebraska | York, Nebraska | York County, Nebraska | 6.111111111 | 1693 | York | 185 | us-ne-185 | 55 | 2 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 43 | 0 | |
| New Hampshire | Belknap, New Hampshire | Belknap County, New Hampshire | 1.924242424 | 1695 | Belknap | 1 | us-nh-001 | 127 | 19 | 6 | 1 | 4 | 0 | 0 | 10 | 0 | 87 | 0 | chlorate, strontium |
| New Hampshire | Carroll, New Hampshire | Carroll County, New Hampshire | 1.560747664 | 1696 | Carroll | 3 | us-nh-003 | 167 | 7 | 14 | 15 | 22 | 0 | 48 | 2 | 2 | 57 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium-6, manganese, molybdenum, strontium |
| New Hampshire | Cheshire, New Hampshire | Cheshire County, New Hampshire | 1.484848485 | 1697 | Cheshire | 5 | us-nh-005 | 49 | 0 | 9 | 0 | 6 | 0 | 18 | 6 | 0 | 10 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| New Hampshire | Coos, New Hampshire | Coos County, New Hampshire | 1.9 | 1698 | Coos | 7 | us-nh-007 | 38 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 34 | 0 | |
| New Hampshire | Grafton, New Hampshire | Grafton County, New Hampshire | 3.103896104 | 1699 | Grafton | 9 | us-nh-009 | 239 | 5 | 12 | 0 | 32 | 4 | 12 | 52 | 0 | 122 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| New Hampshire | Hillsborough, New Hampshire | Hillsborough County, New Hampshire | 3.728571429 | 1700 | Hillsborough | 11 | us-nh-011 | 261 | 57 | 10 | 5 | 8 | 0 | 45 | 48 | 0 | 88 | 0 | chlorate, chromium, chromium-6, cobalt, PFOA, strontium, vanadium |
| New Hampshire | Merrimack, New Hampshire | Merrimack County, New Hampshire | 2.370967742 | 1701 | Merrimack | 13 | us-nh-013 | 147 | 59 | 3 | 0 | 6 | 0 | 16 | 0 | 0 | 63 | 0 | chlorate, strontium |
| New Hampshire | Rockingham, New Hampshire | Rockingham County, New Hampshire | 2.547263682 | 1702 | Rockingham | 15 | us-nh-015 | 512 | 186 | 29 | 20 | 16 | 0 | 56 | 22 | 4 | 179 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, strontium, vanadium |
| New Hampshire | Strafford, New Hampshire | Strafford County, New Hampshire | 3.4 | 1703 | Strafford | 17 | us-nh-017 | 170 | 47 | 7 | 0 | 6 | 0 | 18 | 31 | 5 | 54 | 2 | 1,4-dioxane, chlorate, chromium, chromium-6, PFHpA, PFOA, PFOS, strontium, vanadium |
| New Hampshire | Sullivan, New Hampshire | Sullivan County, New Hampshire | 1.1875 | 1704 | Sullivan | 19 | us-nh-019 | 19 | 3 | 4 | 0 | 1 | 0 | 0 | 3 | 0 | 8 | 0 | |
| New Jersey | Atlantic, New Jersey | Atlantic County, New Jersey | 1.935483871 | 1705 | Atlantic | 1 | us-nj-001 | 60 | 0 | 2 | 0 | 4 | 0 | 32 | 1 | 4 | 17 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| New Jersey | Bergen, New Jersey | Bergen County, New Jersey | 3.25 | 1706 | Bergen | 3 | us-nj-003 | 65 | 36 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 24 | 2 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, HCFC-22, molybdenum, PFHpA, PFOA, PFOS, strontium, vanadium |
| New Jersey | Burlington, New Jersey | Burlington County, New Jersey | 2.204081633 | 1708 | Burlington | 5 | us-nj-005 | 108 | 0 | 0 | 0 | 0 | 0 | 43 | 21 | 0 | 44 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| New Jersey | Camden, New Jersey | Camden County, New Jersey | 1.181818182 | 1709 | Camden | 7 | us-nj-007 | 26 | 0 | 3 | 0 | 0 | 0 | 13 | 0 | 0 | 9 | 1 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, molybdenum, PFNA, PFOA, strontium, vanadium |
| New Jersey | Cape May, New Jersey | Cape May County, New Jersey | 0.04 | 1710 | Cape May | 9 | us-nj-009 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,1-dichloroethane, chlorate, chromium, chromium-6, Halon 1011, strontium |
| New Jersey | Cumberland, New Jersey | Cumberland County, New Jersey | 7.133333333 | 1711 | Cumberland | 11 | us-nj-011 | 107 | 0 | 0 | 1 | 0 | 7 | 80 | 0 | 4 | 6 | 9 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| New Jersey | Essex, New Jersey | Essex County, New Jersey | 2.2 | 1713 | Essex | 13 | us-nj-013 | 44 | 1 | 7 | 0 | 0 | 0 | 0 | 15 | 0 | 20 | 1 | 1,1-dichloroethane, 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFHpA, PFOA, strontium, vanadium |
| New Jersey | Gloucester, New Jersey | Gloucester County, New Jersey | 0.793103448 | 1714 | Gloucester | 15 | us-nj-015 | 23 | 0 | 0 | 0 | 0 | 1 | 12 | 0 | 0 | 10 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, PFNA, PFOS, strontium, vanadium |
| New Jersey | Hudson, New Jersey | Hudson County, New Jersey | 0.5 | 1715 | Hudson | 17 | us-nj-017 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| New Jersey | Hunterdon, New Jersey | Hunterdon County, New Jersey | 3.88 | 1716 | Hunterdon | 19 | us-nj-019 | 97 | 66 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 25 | 5 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Jersey | Mercer, New Jersey | Mercer County, New Jersey | 1.2 | 1718 | Mercer | 21 | us-nj-021 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 9 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| New Jersey | Middlesex, New Jersey | Middlesex County, New Jersey | 3.466666667 | 1719 | Middlesex | 23 | us-nj-023 | 52 | 0 | 44 | 0 | 0 | 0 | 1 | 4 | 0 | 3 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFHpA, PFOA, strontium, vanadium |
| New Jersey | Monmouth, New Jersey | Monmouth County, New Jersey | 0.666666667 | 1721 | Monmouth | 25 | us-nj-025 | 28 | 2 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 20 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, strontium, vanadium |
| New Jersey | Morris, New Jersey | Morris County, New Jersey | 0.830769231 | 1722 | Morris | 27 | us-nj-027 | 54 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 49 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, n-propylbenzene, strontium, vanadium |
| New Jersey | Ocean, New Jersey | Ocean County, New Jersey | 0.475409836 | 1724 | Ocean | 29 | us-nj-029 | 29 | 0 | 1 | 0 | 1 | 0 | 4 | 1 | 0 | 22 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFOA, strontium, vanadium |
| New Jersey | Passaic, New Jersey | Passaic County, New Jersey | 0.730769231 | 1725 | Passaic | 31 | us-nj-031 | 19 | 0 | 1 | 0 | 1 | 0 | 0 | 5 | 0 | 12 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, testosterone, vanadium |
| New Jersey | Salem, New Jersey | Salem County, New Jersey | 2.3125 | 1726 | Salem | 33 | us-nj-033 | 37 | 0 | 0 | 0 | 0 | 4 | 21 | 0 | 0 | 12 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| New Jersey | Somerset, New Jersey | Somerset County, New Jersey | 0.75 | 1727 | Somerset | 35 | us-nj-035 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| New Jersey | Sussex, New Jersey | Sussex County, New Jersey | 1.080645161 | 1728 | Sussex | 37 | us-nj-037 | 67 | 0 | 7 | 0 | 0 | 11 | 16 | 11 | 0 | 21 | 1 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Jersey | Union, New Jersey | Union County, New Jersey | 1.5 | 1729 | Union | 39 | us-nj-039 | 6 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| New Jersey | Warren, New Jersey | Warren County, New Jersey | 2.04 | 1730 | Warren | 41 | us-nj-041 | 51 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 50 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| New Mexico | Bernalillo, New Mexico | Bernalillo County, New Mexico | 5.043478261 | 1731 | Bernalillo | 1 | us-nm-001 | 232 | 52 | 40 | 58 | 0 | 0 | 53 | 1 | 0 | 28 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | Catron, New Mexico | Catron County, New Mexico | 1 | 1733 | Catron | 3 | us-nm-003 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | |
| New Mexico | Chaves, New Mexico | Chaves County, New Mexico | 2 | 1734 | Chaves | 5 | us-nm-005 | 20 | 0 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | Cibola, New Mexico | Cibola County, New Mexico | 4.2 | 1735 | Cibola | 6 | us-nm-006 | 42 | 15 | 14 | 0 | 0 | 0 | 0 | 4 | 0 | 9 | 0 | |
| New Mexico | Colfax, New Mexico | Colfax County, New Mexico | 12.21428571 | 1736 | Colfax | 7 | us-nm-007 | 171 | 0 | 23 | 0 | 0 | 0 | 0 | 134 | 0 | 14 | 0 | |
| New Mexico | Curry, New Mexico | Curry County, New Mexico | 3.7 | 1737 | Curry | 9 | us-nm-009 | 37 | 0 | 19 | 0 | 0 | 2 | 0 | 2 | 0 | 14 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | De Baca, New Mexico | De Baca County, New Mexico | 4 | 1738 | De Baca | 11 | us-nm-011 | 8 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| New Mexico | Dona Ana, New Mexico | Dona Ana County, New Mexico | 3.574074074 | 1739 | Dona Ana | 13 | us-nm-013 | 193 | 102 | 44 | 0 | 0 | 0 | 25 | 0 | 0 | 22 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | Eddy, New Mexico | Eddy County, New Mexico | 3.733333333 | 1740 | Eddy | 15 | us-nm-015 | 56 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New Mexico | Grant, New Mexico | Grant County, New Mexico | 2.6875 | 1741 | Grant | 17 | us-nm-017 | 43 | 0 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | Guadalupe, New Mexico | Guadalupe County, New Mexico | 3 | 1742 | Guadalupe | 19 | us-nm-019 | 21 | 0 | 8 | 0 | 0 | 0 | 6 | 1 | 0 | 6 | 0 | |
| New Mexico | Harding, New Mexico | Harding County, New Mexico | 3.5 | 1743 | Harding | 21 | us-nm-021 | 7 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| New Mexico | Hidalgo, New Mexico | Hidalgo County, New Mexico | 34 | 1744 | Hidalgo | 23 | us-nm-023 | 136 | 0 | 2 | 87 | 0 | 0 | 46 | 0 | 0 | 1 | 0 | |
| New Mexico | Lea, New Mexico | Lea County, New Mexico | 1.5 | 1745 | Lea | 25 | us-nm-025 | 15 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chromium, chromium-6, cobalt, HCFC-22, molybdenum, PFHpA, strontium, vanadium |
| New Mexico | Lincoln, New Mexico | Lincoln County, New Mexico | 1.75 | 1746 | Lincoln | 27 | us-nm-027 | 42 | 0 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| New Mexico | Luna, New Mexico | Luna County, New Mexico | 2.5 | 1747 | Luna | 29 | us-nm-029 | 10 | 1 | 0 | 5 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| New Mexico | McKinley, New Mexico | McKinley County, New Mexico | 0.8125 | 1748 | McKinley | 31 | us-nm-031 | 13 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 9 | 0 | chlorate, molybdenum, strontium |
| New Mexico | Mora, New Mexico | Mora County, New Mexico | 3.266666667 | 1749 | Mora | 33 | us-nm-033 | 49 | 0 | 19 | 17 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | |
| New Mexico | Otero, New Mexico | Otero County, New Mexico | 1.352941176 | 1750 | Otero | 35 | us-nm-035 | 46 | 0 | 28 | 0 | 0 | 0 | 0 | 1 | 0 | 17 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | Quay, New Mexico | Quay County, New Mexico | 0.875 | 1751 | Quay | 37 | us-nm-037 | 7 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | |
| New Mexico | Rio Arriba, New Mexico | Rio Arriba County, New Mexico | 5.35 | 1752 | Rio Arriba | 39 | us-nm-039 | 214 | 43 | 89 | 0 | 0 | 0 | 75 | 3 | 0 | 4 | 0 | |
| New Mexico | Roosevelt, New Mexico | Roosevelt County, New Mexico | 6.333333333 | 1753 | Roosevelt | 41 | us-nm-041 | 38 | 15 | 8 | 6 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | San Juan, New Mexico | Sandoval County, New Mexico | 8.315789474 | 1754 | San Juan | 43 | us-nm-043 | 158 | 0 | 48 | 7 | 0 | 0 | 0 | 72 | 0 | 31 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New Mexico | San Miguel, New Mexico | San Juan County, New Mexico | 5.88 | 1755 | San Miguel | 45 | us-nm-045 | 147 | 0 | 29 | 56 | 0 | 0 | 0 | 10 | 0 | 52 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| New Mexico | Sandoval, New Mexico | San Miguel County, New Mexico | 9.103448276 | 1756 | Sandoval | 47 | us-nm-047 | 264 | 153 | 66 | 11 | 0 | 0 | 0 | 7 | 0 | 27 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | Santa Fe, New Mexico | Santa Fe County, New Mexico | 6.8 | 1757 | Santa Fe | 49 | us-nm-049 | 306 | 35 | 43 | 6 | 0 | 0 | 180 | 0 | 0 | 41 | 1 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New Mexico | Sierra, New Mexico | Sierra County, New Mexico | 0.2 | 1758 | Sierra | 51 | us-nm-051 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| New Mexico | Socorro, New Mexico | Socorro County, New Mexico | 7.285714286 | 1759 | Socorro | 53 | us-nm-053 | 51 | 46 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| New Mexico | Taos, New Mexico | Taos County, New Mexico | 4.88372093 | 1760 | Taos | 55 | us-nm-055 | 210 | 0 | 52 | 31 | 0 | 0 | 100 | 0 | 0 | 26 | 1 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New Mexico | Torrance, New Mexico | Torrance County, New Mexico | 5.315789474 | 1761 | Torrance | 57 | us-nm-057 | 101 | 0 | 50 | 0 | 0 | 17 | 15 | 0 | 0 | 19 | 0 | |
| New Mexico | Union, New Mexico | Union County, New Mexico | 1.666666667 | 1762 | Union | 59 | us-nm-059 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| New Mexico | Valencia, New Mexico | Valencia County, New Mexico | 5.55 | 1763 | Valencia | 61 | us-nm-061 | 111 | 63 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nevada | Churchill, Nevada | Churchill County, Nevada | 9.090909091 | 1764 | Churchill | 1 | us-nv-001 | 100 | 79 | 1 | 0 | 0 | 0 | 16 | 0 | 0 | 4 | 0 | |
| Nevada | Clark, Nevada | Clark County, Nevada | 3.333333333 | 1765 | Clark | 3 | us-nv-003 | 150 | 94 | 3 | 6 | 0 | 3 | 0 | 34 | 0 | 10 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, testosterone, vanadium |
| Nevada | Douglas, Nevada | Douglas County, Nevada | 3.8 | 1766 | Douglas | 5 | us-nv-005 | 95 | 45 | 2 | 0 | 10 | 0 | 16 | 4 | 0 | 18 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nevada | Elko, Nevada | Elko County, Nevada | 2.058823529 | 1767 | Elko | 7 | us-nv-007 | 35 | 13 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 20 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| Nevada | Esmeralda, Nevada | Esmeralda County, Nevada | 7 | 1768 | Esmeralda | 9 | us-nv-009 | 14 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Nevada | Humboldt, Nevada | Humboldt County, Nevada | 3 | 1769 | Humboldt | 13 | us-nv-013 | 21 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 15 | 0 | |
| Nevada | Lander, Nevada | Lander County, Nevada | 1 | 1770 | Lander | 15 | us-nv-015 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | |
| Nevada | Lincoln, Nevada | Lincoln County, Nevada | 6.2 | 1771 | Lincoln | 17 | us-nv-017 | 31 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Nevada | Lyon, Nevada | Lyon County, Nevada | 3 | 1772 | Lyon | 19 | us-nv-019 | 18 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Nevada | Mineral, Nevada | Mineral County, Nevada | 3.25 | 1773 | Mineral | 21 | us-nv-021 | 13 | 4 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 2 | 0 | |
| Nevada | Nye, Nevada | Nye County, Nevada | 2.72 | 1774 | Nye | 23 | us-nv-023 | 68 | 54 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 11 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nevada | Pershing, Nevada | Pershing County, Nevada | 1.25 | 1775 | Pershing | 27 | us-nv-027 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Nevada | Storey, Nevada | Storey County, Nevada | 0.5 | 1776 | Storey | 29 | us-nv-029 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Nevada | Washoe, Nevada | Washoe County, Nevada | 1.655172414 | 1777 | Washoe | 31 | us-nv-031 | 48 | 14 | 0 | 0 | 2 | 0 | 25 | 0 | 0 | 7 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Nevada | White Pine, Nevada | White Pine County, Nevada | 0.714285714 | 1778 | White Pine | 33 | us-nv-033 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New York | Albany, New York | Albany County, New York | 0.393939394 | 1779 | Albany | 1 | us-ny-001 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| New York | Allegany, New York | Allegany County, New York | 3.208333333 | 1780 | Allegany | 3 | us-ny-003 | 77 | 50 | 6 | 0 | 1 | 0 | 0 | 13 | 1 | 6 | 0 | chromium-6, manganese, strontium |
| New York | Broome, New York | Broome County, New York | 0.242424242 | 1781 | Broome | 7 | us-ny-007 | 16 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, strontium, vanadium |
| New York | Cattaraugus, New York | Cattaraugus County, New York | 0.537037037 | 1782 | Cattaraugus | 9 | us-ny-009 | 29 | 3 | 11 | 1 | 0 | 0 | 0 | 7 | 0 | 6 | 1 | chlorate, chromium, chromium-6, strontium |
| New York | Cayuga, New York | Cayuga County, New York | 0.9375 | 1783 | Cayuga | 11 | us-ny-011 | 30 | 0 | 1 | 0 | 0 | 0 | 0 | 28 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| New York | Chautauqua, New York | Chautauqua County, New York | 0.363636364 | 1784 | Chautauqua | 13 | us-ny-013 | 20 | 12 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New York | Chemung, New York | Chemung County, New York | 0.583333333 | 1785 | Chemung | 15 | us-ny-015 | 14 | 0 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | chlorate, chromium, chromium-6, strontium |
| New York | Chenango, New York | Chenango County, New York | 0.266666667 | 1786 | Chenango | 17 | us-ny-017 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| New York | Clinton, New York | Clinton County, New York | 1.80952381 | 1787 | Clinton | 19 | us-ny-019 | 76 | 0 | 1 | 0 | 4 | 0 | 0 | 64 | 0 | 7 | 0 | chlorate, chromium, chromium-6, strontium |
| New York | Columbia, New York | Columbia County, New York | 0.581818182 | 1788 | Columbia | 21 | us-ny-021 | 32 | 24 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | |
| New York | Cortland, New York | Cortland County, New York | 0.130434783 | 1789 | Cortland | 23 | us-ny-023 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | chromium, chromium-6, strontium |
| New York | Delaware, New York | Delaware County, New York | 0.583333333 | 1790 | Delaware | 25 | us-ny-025 | 21 | 0 | 6 | 0 | 0 | 0 | 0 | 13 | 0 | 2 | 0 | |
| New York | Dutchess, New York | Dutchess County, New York | 0.925 | 1791 | Dutchess | 27 | us-ny-027 | 148 | 0 | 6 | 1 | 7 | 1 | 76 | 38 | 0 | 19 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| New York | Erie, New York | Erie County, New York | 0.865384615 | 1792 | Erie | 29 | us-ny-029 | 45 | 0 | 2 | 0 | 1 | 3 | 0 | 34 | 0 | 5 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New York | Essex, New York | Essex County, New York | 4.029411765 | 1793 | Essex | 31 | us-ny-031 | 137 | 0 | 7 | 0 | 12 | 0 | 0 | 115 | 0 | 2 | 1 | 4-androstene-3,17-dione |
| New York | Franklin, New York | Franklin County, New York | 2.666666667 | 1794 | Franklin | 33 | us-ny-033 | 40 | 0 | 2 | 0 | 5 | 0 | 0 | 30 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| New York | Fulton, New York | Fulton County, New York | 0.04 | 1795 | Fulton | 35 | us-ny-035 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, strontium |
| New York | Genesee, New York | Genesee County, New York | 0.769230769 | 1796 | Genesee | 37 | us-ny-037 | 10 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| New York | Greene, New York | Greene County, New York | 3.595238095 | 1797 | Greene | 39 | us-ny-039 | 151 | 99 | 4 | 0 | 0 | 0 | 0 | 46 | 0 | 2 | 0 | |
| New York | Hamilton, New York | Hamilton County, New York | 5.571428571 | 1798 | Hamilton | 41 | us-ny-041 | 39 | 0 | 1 | 0 | 2 | 0 | 0 | 33 | 0 | 3 | 0 | |
| New York | Herkimer, New York | Herkimer County, New York | 0.777777778 | 1799 | Herkimer | 43 | us-ny-043 | 28 | 0 | 2 | 3 | 0 | 0 | 0 | 14 | 0 | 9 | 0 | |
| New York | Jefferson, New York | Jefferson County, New York | 1.175438596 | 1800 | Jefferson | 45 | us-ny-045 | 67 | 0 | 0 | 0 | 0 | 0 | 0 | 62 | 0 | 3 | 2 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, manganese, molybdenum, n-propylbenzene, PFHpA, PFHxS, PFOA, strontium, testosterone, vanadium |
| New York | Lewis, New York | Lewis County, New York | 3.153846154 | 1801 | Lewis | 49 | us-ny-049 | 41 | 0 | 0 | 0 | 1 | 0 | 0 | 40 | 0 | 0 | 0 | |
| New York | Livingston, New York | Livingston County, New York | 1.3125 | 1802 | Livingston | 51 | us-ny-051 | 42 | 0 | 3 | 0 | 0 | 0 | 0 | 31 | 1 | 7 | 0 | |
| New York | Madison, New York | Madison County, New York | 0.916666667 | 1803 | Madison | 53 | us-ny-053 | 22 | 14 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| New York | Montgomery, New York | Montgomery County, New York | 3.722222222 | 1804 | Montgomery | 57 | us-ny-057 | 67 | 0 | 2 | 0 | 0 | 0 | 0 | 65 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| New York | Nassau, New York | Nassau County, New York | 0.375 | 1805 | Nassau | 59 | us-ny-059 | 15 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 4 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFNA, PFOA, strontium, vanadium |
| New York | Oneida, New York | Oneida County, New York | 0.489361702 | 1806 | Oneida | 65 | us-ny-065 | 23 | 1 | 2 | 0 | 0 | 0 | 0 | 14 | 0 | 6 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, strontium, vanadium |
| New York | Onondaga, New York | Onondaga County, New York | 1.961538462 | 1807 | Onondaga | 67 | us-ny-067 | 51 | 1 | 41 | 0 | 0 | 0 | 0 | 2 | 0 | 7 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| New York | Ontario, New York | Ontario County, New York | 0.617647059 | 1808 | Ontario | 69 | us-ny-069 | 21 | 0 | 4 | 0 | 0 | 0 | 0 | 7 | 0 | 10 | 0 | chlorate, chromium, chromium-6, strontium |
| New York | Orange, New York | Orange County, New York | 1.103703704 | 1809 | Orange | 71 | us-ny-071 | 149 | 0 | 51 | 0 | 13 | 0 | 22 | 40 | 0 | 20 | 3 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium, vanadium |
| New York | Orleans, New York | Orleans County, New York | 0.4 | 1811 | Orleans | 73 | us-ny-073 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New York | Oswego, New York | Oswego County, New York | 0.772727273 | 1812 | Oswego | 75 | us-ny-075 | 34 | 1 | 4 | 0 | 0 | 0 | 0 | 23 | 0 | 6 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| New York | Otsego, New York | Otsego County, New York | 0.289473684 | 1813 | Otsego | 77 | us-ny-077 | 11 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New York | Putnam, New York | Putnam County, New York | 0.232323232 | 1814 | Putnam | 79 | us-ny-079 | 23 | 0 | 0 | 0 | 0 | 0 | 7 | 13 | 0 | 0 | 3 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| New York | Rensselaer, New York | Rensselaer County, New York | 0.325581395 | 1815 | Rensselaer | 83 | us-ny-083 | 14 | 0 | 0 | 2 | 1 | 0 | 0 | 8 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| New York | Rockland, New York | Rockland County, New York | 1 | 1816 | Rockland | 87 | us-ny-087 | 22 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 18 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| New York | Saratoga, New York | Saratoga County, New York | 1.120481928 | 1817 | Saratoga | 91 | us-ny-091 | 93 | 0 | 5 | 0 | 4 | 8 | 0 | 54 | 1 | 21 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| New York | Schenectady, New York | Schenectady County, New York | 1.727272727 | 1818 | Schenectady | 93 | us-ny-093 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| New York | Schoharie, New York | Schoharie County, New York | 4.631578947 | 1819 | Schoharie | 95 | us-ny-095 | 88 | 18 | 5 | 0 | 1 | 0 | 0 | 60 | 0 | 4 | 0 | |
| New York | Schuyler, New York | Schuyler County, New York | 0.818181818 | 1820 | Schuyler | 97 | us-ny-097 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | |
| New York | Seneca, New York | Seneca County, New York | 1.043478261 | 1821 | Seneca | 99 | us-ny-099 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 10 | 0 | |
| New York | St. Lawrence, New York | St. Lawrence County, New York | 1.209302326 | 1822 | St. Lawrence | 89 | us-ny-089 | 52 | 0 | 8 | 0 | 1 | 0 | 0 | 38 | 0 | 5 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New York | Steuben, New York | Steuben County, New York | 0.163934426 | 1823 | Steuben | 101 | us-ny-101 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 0 | chlorate, chromium, chromium-6, strontium |
| New York | Suffolk, New York | Suffolk County, New York | 0.451612903 | 1824 | Suffolk | 103 | us-ny-103 | 14 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 13 | 0 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, PFHpA, PFHxS, PFOS, strontium, vanadium |
| New York | Sullivan, New York | Sullivan County, New York | 0.26984127 | 1825 | Sullivan | 105 | us-ny-105 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 7 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| New York | Tioga, New York | Tioga County, New York | 0.0625 | 1826 | Tioga | 107 | us-ny-107 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| New York | Tompkins, New York | Tompkins County, New York | 0.470588235 | 1827 | Tompkins | 109 | us-ny-109 | 24 | 17 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | chlorate, chromium, chromium-6, strontium, vanadium |
| New York | Ulster, New York | Ulster County, New York | 0.504504505 | 1828 | Ulster | 111 | us-ny-111 | 56 | 12 | 18 | 0 | 3 | 0 | 0 | 7 | 0 | 16 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| New York | Warren, New York | Warren County, New York | 1.44 | 1829 | Warren | 113 | us-ny-113 | 36 | 0 | 0 | 0 | 24 | 0 | 0 | 6 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| New York | Washington, New York | Washington County, New York | 2.15 | 1830 | Washington | 115 | us-ny-115 | 43 | 0 | 5 | 0 | 13 | 0 | 0 | 22 | 0 | 3 | 0 | |
| New York | Wayne, New York | Wayne County, New York | 0.681818182 | 1831 | Wayne | 117 | us-ny-117 | 15 | 0 | 9 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| New York | Westchester, New York | Westchester County, New York | 1.078651685 | 1832 | Westchester | 119 | us-ny-119 | 96 | 0 | 32 | 1 | 1 | 0 | 10 | 29 | 1 | 20 | 2 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| New York | Wyoming, New York | Wyoming County, New York | 0.739130435 | 1833 | Wyoming | 121 | us-ny-121 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 4 | 0 | chromium-6, manganese, strontium |
| New York | Yates, New York | Yates County, New York | 1.153846154 | 1834 | Yates | 123 | us-ny-123 | 15 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | 0 | 7 | 0 | |
| Ohio | Allen, Ohio | Allen County, Ohio | 4.222222222 | 1835 | Allen | 3 | us-oh-003 | 38 | 0 | 3 | 0 | 0 | 0 | 0 | 35 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, PFOS, strontium, vanadium |
| Ohio | Ashland, Ohio | Ashland County, Ohio | 0.727272727 | 1836 | Ashland | 5 | us-oh-005 | 8 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Ashtabula, Ohio | Ashtabula County, Ohio | 0.692307692 | 1837 | Ashtabula | 7 | us-oh-007 | 9 | 0 | 5 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Athens, Ohio | Athens County, Ohio | 0.3125 | 1838 | Athens | 9 | us-oh-009 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | chromium, molybdenum, strontium |
| Ohio | Belmont, Ohio | Belmont County, Ohio | 0.266666667 | 1839 | Belmont | 13 | us-oh-013 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Brown, Ohio | Brown County, Ohio | 0.555555556 | 1840 | Brown | 15 | us-oh-015 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1,4-dioxane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Butler, Ohio | Butler County, Ohio | 0.230769231 | 1841 | Butler | 17 | us-oh-017 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Ohio | Carroll, Ohio | Carroll County, Ohio | 0.833333333 | 1842 | Carroll | 19 | us-oh-019 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Ohio | Champaign, Ohio | Champaign County, Ohio | 0.636363636 | 1843 | Champaign | 21 | us-oh-021 | 7 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Clark, Ohio | Clark County, Ohio | 0.965517241 | 1844 | Clark | 23 | us-oh-023 | 28 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,1-dichloroethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Clermont, Ohio | Clermont County, Ohio | 0.1 | 1845 | Clermont | 25 | us-oh-025 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Clinton, Ohio | Clinton County, Ohio | 0.8 | 1846 | Clinton | 27 | us-oh-027 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Columbiana, Ohio | Columbiana County, Ohio | 1.7 | 1847 | Columbiana | 29 | us-oh-029 | 34 | 0 | 10 | 0 | 2 | 0 | 0 | 19 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Coshocton, Ohio | Coshocton County, Ohio | 1.75 | 1848 | Coshocton | 31 | us-oh-031 | 14 | 0 | 8 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Crawford, Ohio | Crawford County, Ohio | 0.8 | 1849 | Crawford | 33 | us-oh-033 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Cuyahoga, Ohio | Cuyahoga County, Ohio | 0.285714286 | 1850 | Cuyahoga | 35 | us-oh-035 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, testosterone, vanadium |
| Ohio | Defiance, Ohio | Defiance County, Ohio | 3.888888889 | 1851 | Defiance | 39 | us-oh-039 | 35 | 0 | 1 | 0 | 3 | 0 | 0 | 29 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium |
| Ohio | Delaware, Ohio | Delaware County, Ohio | 0.6 | 1852 | Delaware | 41 | us-oh-041 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Erie, Ohio | Erie County, Ohio | 1.076923077 | 1853 | Erie | 43 | us-oh-043 | 14 | 0 | 6 | 0 | 1 | 0 | 0 | 4 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Fairfield, Ohio | Fairfield County, Ohio | 0.19047619 | 1854 | Fairfield | 45 | us-oh-045 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chlorate, molybdenum, strontium |
| Ohio | Franklin, Ohio | Franklin County, Ohio | 1.333333333 | 1855 | Franklin | 49 | us-oh-049 | 40 | 23 | 1 | 0 | 0 | 2 | 0 | 11 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Fulton, Ohio | Fulton County, Ohio | 4.6 | 1856 | Fulton | 51 | us-oh-051 | 46 | 0 | 5 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Gallia, Ohio | Gallia County, Ohio | 0.25 | 1857 | Gallia | 53 | us-oh-053 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium-6, PFOA, strontium |
| Ohio | Geauga, Ohio | Geauga County, Ohio | 0.545454545 | 1858 | Geauga | 55 | us-oh-055 | 18 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Ohio | Greene, Ohio | Greene County, Ohio | 0.318181818 | 1859 | Greene | 57 | us-oh-057 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, PFHpA, PFHxS, PFOA, PFOS, strontium |
| Ohio | Guernsey, Ohio | Guernsey County, Ohio | 3 | 1860 | Guernsey | 59 | us-oh-059 | 18 | 0 | 5 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Hamilton, Ohio | Hamilton County, Ohio | 0.416666667 | 1861 | Hamilton | 61 | us-oh-061 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Hancock, Ohio | Hancock County, Ohio | 1.5 | 1862 | Hancock | 63 | us-oh-063 | 12 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Hardin, Ohio | Hardin County, Ohio | 0.125 | 1863 | Hardin | 65 | us-oh-065 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Ohio | Harrison, Ohio | Harrison County, Ohio | 1.142857143 | 1864 | Harrison | 67 | us-oh-067 | 16 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 7 | 0 | |
| Ohio | Henry, Ohio | Henry County, Ohio | 9.454545455 | 1865 | Henry | 69 | us-oh-069 | 104 | 0 | 2 | 0 | 1 | 0 | 0 | 101 | 0 | 0 | 0 | 1,4-dioxane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Highland, Ohio | Highland County, Ohio | 0.8 | 1866 | Highland | 71 | us-oh-071 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium-6, manganese, molybdenum, strontium |
| Ohio | Hocking, Ohio | Hocking County, Ohio | 0.222222222 | 1867 | Hocking | 73 | us-oh-073 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
| Ohio | Holmes, Ohio | Holmes County, Ohio | 0.272727273 | 1868 | Holmes | 75 | us-oh-075 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Ohio | Huron, Ohio | Huron County, Ohio | 1.533333333 | 1869 | Huron | 77 | us-oh-077 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Jackson, Ohio | Jackson County, Ohio | 1.75 | 1870 | Jackson | 79 | us-oh-079 | 14 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 5 | 0 | chlorate, molybdenum, strontium |
| Ohio | Jefferson, Ohio | Jefferson County, Ohio | 0.277777778 | 1871 | Jefferson | 81 | us-oh-081 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Knox, Ohio | Knox County, Ohio | 0.090909091 | 1872 | Knox | 83 | us-oh-083 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Lake, Ohio | Lake County, Ohio | 0.125 | 1873 | Lake | 85 | us-oh-085 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Ohio | Licking, Ohio | Licking County, Ohio | 0.043478261 | 1874 | Licking | 89 | us-oh-089 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Logan, Ohio | Logan County, Ohio | 0.529411765 | 1875 | Logan | 91 | us-oh-091 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, manganese, molybdenum, strontium, vanadium |
| Ohio | Lorain, Ohio | Lorain County, Ohio | 0.866666667 | 1876 | Lorain | 93 | us-oh-093 | 13 | 0 | 4 | 0 | 1 | 0 | 0 | 5 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Lucas, Ohio | Lucas County, Ohio | 0.75 | 1877 | Lucas | 95 | us-oh-095 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Madison, Ohio | Madison County, Ohio | 1.5 | 1878 | Madison | 97 | us-oh-097 | 27 | 15 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Ohio | Mahoning, Ohio | Mahoning County, Ohio | 3.642857143 | 1879 | Mahoning | 99 | us-oh-099 | 51 | 0 | 0 | 0 | 8 | 0 | 0 | 37 | 0 | 6 | 0 | chromium, chromium-6, molybdenum, PFOA, strontium, vanadium |
| Ohio | Marion, Ohio | Marion County, Ohio | 0.4 | 1880 | Marion | 101 | us-oh-101 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Medina, Ohio | Medina County, Ohio | 0.333333333 | 1881 | Medina | 103 | us-oh-103 | 5 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Mercer, Ohio | Mercer County, Ohio | 1.4 | 1882 | Mercer | 107 | us-oh-107 | 14 | 0 | 0 | 0 | 2 | 0 | 0 | 11 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Miami, Ohio | Miami County, Ohio | 0.8 | 1883 | Miami | 109 | us-oh-109 | 12 | 5 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Monroe, Ohio | Monroe County, Ohio | 1.333333333 | 1884 | Monroe | 111 | us-oh-111 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| Ohio | Montgomery, Ohio | Montgomery County, Ohio | 0.227272727 | 1885 | Montgomery | 113 | us-oh-113 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, PFOS, strontium, vanadium |
| Ohio | Morrow, Ohio | Morrow County, Ohio | 1 | 1886 | Morrow | 117 | us-oh-117 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | |
| Ohio | Muskingum, Ohio | Muskingum County, Ohio | 1.230769231 | 1887 | Muskingum | 119 | us-oh-119 | 16 | 0 | 3 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium |
| Ohio | Noble, Ohio | Noble County, Ohio | 6 | 1888 | Noble | 121 | us-oh-121 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | |
| Ohio | Ottawa, Ohio | Ottawa County, Ohio | 0.166666667 | 1889 | Ottawa | 123 | us-oh-123 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Paulding, Ohio | Paulding County, Ohio | 0.666666667 | 1890 | Paulding | 125 | us-oh-125 | 4 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Ohio | Perry, Ohio | Perry County, Ohio | 2.1 | 1891 | Perry | 127 | us-oh-127 | 42 | 3 | 1 | 0 | 0 | 0 | 0 | 37 | 0 | 1 | 0 | |
| Ohio | Pickaway, Ohio | Pickaway County, Ohio | 0.523809524 | 1892 | Pickaway | 129 | us-oh-129 | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium |
| Ohio | Pike, Ohio | Pike County, Ohio | 0.75 | 1893 | Pike | 131 | us-oh-131 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1,4-dioxane, molybdenum, strontium |
| Ohio | Portage, Ohio | Portage County, Ohio | 0.405405405 | 1894 | Portage | 133 | us-oh-133 | 15 | 8 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Preble, Ohio | Preble County, Ohio | 0.181818182 | 1895 | Preble | 135 | us-oh-135 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Ohio | Putnam, Ohio | Putnam County, Ohio | 2.272727273 | 1896 | Putnam | 137 | us-oh-137 | 25 | 0 | 1 | 0 | 4 | 0 | 0 | 19 | 0 | 1 | 0 | |
| Ohio | Richland, Ohio | Richland County, Ohio | 0.078431373 | 1897 | Richland | 139 | us-oh-139 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Ross, Ohio | Ross County, Ohio | 0.125 | 1898 | Ross | 141 | us-oh-141 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Sandusky, Ohio | Sandusky County, Ohio | 0.857142857 | 1899 | Sandusky | 143 | us-oh-143 | 6 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Scioto, Ohio | Scioto County, Ohio | 0.058823529 | 1900 | Scioto | 145 | us-oh-145 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Seneca, Ohio | Seneca County, Ohio | 3.545454545 | 1901 | Seneca | 147 | us-oh-147 | 39 | 18 | 4 | 0 | 1 | 0 | 0 | 13 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Shelby, Ohio | Shelby County, Ohio | 2.9375 | 1902 | Shelby | 149 | us-oh-149 | 47 | 46 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Stark, Ohio | Stark County, Ohio | 0.461538462 | 1903 | Stark | 151 | us-oh-151 | 18 | 4 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Summit, Ohio | Summit County, Ohio | 0.675 | 1904 | Summit | 153 | us-oh-153 | 27 | 3 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 7 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Trumbull, Ohio | Trumbull County, Ohio | 1.322580645 | 1905 | Trumbull | 155 | us-oh-155 | 41 | 4 | 2 | 0 | 8 | 0 | 0 | 20 | 0 | 7 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Tuscarawas, Ohio | Tuscarawas County, Ohio | 0.235294118 | 1906 | Tuscarawas | 157 | us-oh-157 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Union, Ohio | Union County, Ohio | 0.4 | 1907 | Union | 159 | us-oh-159 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Van Wert, Ohio | Van Wert County, Ohio | 1.2 | 1908 | Van Wert | 161 | us-oh-161 | 6 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Vinton, Ohio | Vinton County, Ohio | 3.333333333 | 1909 | Vinton | 163 | us-oh-163 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | |
| Ohio | Washington, Ohio | Washington County, Ohio | 0.4 | 1910 | Washington | 167 | us-oh-167 | 6 | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Ohio | Wayne, Ohio | Wayne County, Ohio | 0.571428571 | 1911 | Wayne | 169 | us-oh-169 | 20 | 5 | 0 | 0 | 7 | 1 | 0 | 0 | 0 | 7 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Ohio | Williams, Ohio | Williams County, Ohio | 0.076923077 | 1912 | Williams | 171 | us-oh-171 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, HCFC-22, manganese, molybdenum, strontium |
| Ohio | Wood, Ohio | Wood County, Ohio | 0.476190476 | 1913 | Wood | 173 | us-oh-173 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| Oklahoma | Adair, Oklahoma | Adair County, Oklahoma | 3 | 1914 | Adair | 1 | us-ok-001 | 30 | 0 | 4 | 0 | 0 | 0 | 18 | 3 | 0 | 5 | 0 | |
| Oklahoma | Alfalfa, Oklahoma | Alfalfa County, Oklahoma | 9.7 | 1915 | Alfalfa | 3 | us-ok-003 | 97 | 0 | 0 | 0 | 5 | 89 | 0 | 0 | 0 | 3 | 0 | |
| Oklahoma | Atoka, Oklahoma | Atoka County, Oklahoma | 22.375 | 1916 | Atoka | 5 | us-ok-005 | 179 | 0 | 9 | 0 | 0 | 0 | 0 | 168 | 0 | 2 | 0 | chlorate, chromium-6, manganese, strontium |
| Oklahoma | Beaver, Oklahoma | Beaver County, Oklahoma | 1 | 1917 | Beaver | 7 | us-ok-007 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 0 | |
| Oklahoma | Beckham, Oklahoma | Beckham County, Oklahoma | 1.111111111 | 1918 | Beckham | 9 | us-ok-009 | 10 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chromium, chromium-6, strontium, vanadium |
| Oklahoma | Blaine, Oklahoma | Blaine County, Oklahoma | 8.375 | 1919 | Blaine | 11 | us-ok-011 | 67 | 0 | 0 | 0 | 0 | 61 | 0 | 0 | 0 | 6 | 0 | |
| Oklahoma | Bryan, Oklahoma | Bryan County, Oklahoma | 7.6 | 1920 | Bryan | 13 | us-ok-013 | 114 | 0 | 29 | 0 | 1 | 0 | 0 | 82 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oklahoma | Caddo, Oklahoma | Caddo County, Oklahoma | 10 | 1921 | Caddo | 15 | us-ok-015 | 160 | 109 | 11 | 0 | 0 | 9 | 12 | 6 | 0 | 13 | 0 | testosterone |
| Oklahoma | Canadian, Oklahoma | Canadian County, Oklahoma | 6.466666667 | 1922 | Canadian | 17 | us-ok-017 | 97 | 5 | 0 | 0 | 0 | 39 | 14 | 29 | 0 | 10 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Carter, Oklahoma | Carter County, Oklahoma | 13.07692308 | 1923 | Carter | 19 | us-ok-019 | 170 | 0 | 25 | 0 | 1 | 0 | 0 | 128 | 0 | 16 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Cherokee, Oklahoma | Cherokee County, Oklahoma | 5.625 | 1924 | Cherokee | 21 | us-ok-021 | 135 | 0 | 36 | 0 | 0 | 0 | 0 | 87 | 0 | 12 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Choctaw, Oklahoma | Choctaw County, Oklahoma | 21 | 1925 | Choctaw | 23 | us-ok-023 | 168 | 0 | 42 | 0 | 0 | 0 | 15 | 106 | 0 | 5 | 0 | |
| Oklahoma | Cimarron, Oklahoma | Cimarron County, Oklahoma | 0.5 | 1926 | Cimarron | 25 | us-ok-025 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Oklahoma | Cleveland, Oklahoma | Cleveland County, Oklahoma | 5.736842105 | 1927 | Cleveland | 27 | us-ok-027 | 109 | 13 | 0 | 0 | 1 | 0 | 76 | 0 | 0 | 19 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Oklahoma | Coal, Oklahoma | Coal County, Oklahoma | 3.875 | 1928 | Coal | 29 | us-ok-029 | 31 | 0 | 1 | 0 | 0 | 0 | 0 | 24 | 0 | 6 | 0 | |
| Oklahoma | Comanche, Oklahoma | Comanche County, Oklahoma | 1.379310345 | 1929 | Comanche | 31 | us-ok-031 | 40 | 0 | 0 | 2 | 1 | 0 | 0 | 31 | 0 | 6 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Oklahoma | Cotton, Oklahoma | Cotton County, Oklahoma | 24.2 | 1930 | Cotton | 33 | us-ok-033 | 121 | 18 | 9 | 0 | 0 | 3 | 0 | 89 | 0 | 2 | 0 | |
| Oklahoma | Craig, Oklahoma | Craig County, Oklahoma | 11.27272727 | 1931 | Craig | 35 | us-ok-035 | 124 | 0 | 1 | 0 | 0 | 0 | 32 | 83 | 0 | 8 | 0 | |
| Oklahoma | Creek, Oklahoma | Creek County, Oklahoma | 10.68181818 | 1932 | Creek | 37 | us-ok-037 | 235 | 0 | 12 | 0 | 0 | 0 | 0 | 209 | 0 | 14 | 0 | chlorate, chromium, chromium-6, cobalt, manganese, molybdenum, strontium, vanadium |
| Oklahoma | Custer, Oklahoma | Custer County, Oklahoma | 5.454545455 | 1933 | Custer | 39 | us-ok-039 | 60 | 42 | 3 | 0 | 0 | 7 | 0 | 8 | 0 | 0 | 0 | chromium, chromium-6, strontium, vanadium |
| Oklahoma | Delaware, Oklahoma | Delaware County, Oklahoma | 4.607142857 | 1934 | Delaware | 41 | us-ok-041 | 129 | 0 | 9 | 0 | 2 | 0 | 20 | 91 | 0 | 7 | 0 | chromium-6, strontium, vanadium |
| Oklahoma | Dewey, Oklahoma | Dewey County, Oklahoma | 0.5 | 1935 | Dewey | 43 | us-ok-043 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | |
| Oklahoma | Ellis, Oklahoma | Ellis County, Oklahoma | 0.8 | 1936 | Ellis | 45 | us-ok-045 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Oklahoma | Garfield, Oklahoma | Garfield County, Oklahoma | 3 | 1937 | Garfield | 47 | us-ok-047 | 63 | 11 | 0 | 0 | 2 | 10 | 0 | 1 | 0 | 11 | 28 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Oklahoma | Garvin, Oklahoma | Garvin County, Oklahoma | 13.5 | 1938 | Garvin | 49 | us-ok-049 | 189 | 0 | 13 | 0 | 0 | 0 | 0 | 158 | 0 | 18 | 0 | |
| Oklahoma | Grady, Oklahoma | Grady County, Oklahoma | 7.5 | 1939 | Grady | 51 | us-ok-051 | 120 | 7 | 1 | 0 | 0 | 19 | 0 | 75 | 0 | 18 | 0 | chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Grant, Oklahoma | Grant County, Oklahoma | 4.1 | 1940 | Grant | 53 | us-ok-053 | 41 | 15 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 13 | 0 | |
| Oklahoma | Greer, Oklahoma | Greer County, Oklahoma | 1.714285714 | 1941 | Greer | 55 | us-ok-055 | 12 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 1 | 0 | |
| Oklahoma | Harmon, Oklahoma | Harmon County, Oklahoma | 12.66666667 | 1942 | Harmon | 57 | us-ok-057 | 38 | 0 | 0 | 0 | 0 | 33 | 0 | 0 | 0 | 5 | 0 | |
| Oklahoma | Harper, Oklahoma | Harper County, Oklahoma | 1.666666667 | 1943 | Harper | 59 | us-ok-059 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | |
| Oklahoma | Haskell, Oklahoma | Haskell County, Oklahoma | 8.5 | 1944 | Haskell | 61 | us-ok-061 | 34 | 0 | 4 | 0 | 0 | 0 | 0 | 28 | 0 | 2 | 0 | |
| Oklahoma | Hughes, Oklahoma | Hughes County, Oklahoma | 22 | 1945 | Hughes | 63 | us-ok-063 | 242 | 0 | 24 | 0 | 1 | 0 | 0 | 203 | 0 | 14 | 0 | |
| Oklahoma | Jackson, Oklahoma | Jackson County, Oklahoma | 18.36363636 | 1946 | Jackson | 65 | us-ok-065 | 202 | 0 | 0 | 0 | 0 | 0 | 0 | 196 | 0 | 6 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Oklahoma | Jefferson, Oklahoma | Jefferson County, Oklahoma | 30.33333333 | 1947 | Jefferson | 67 | us-ok-067 | 182 | 0 | 0 | 0 | 1 | 0 | 2 | 173 | 0 | 6 | 0 | |
| Oklahoma | Johnston, Oklahoma | Johnston County, Oklahoma | 3.3 | 1948 | Johnston | 69 | us-ok-069 | 33 | 0 | 3 | 0 | 1 | 0 | 0 | 23 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oklahoma | Kay, Oklahoma | Kay County, Oklahoma | 3.111111111 | 1949 | Kay | 71 | us-ok-071 | 56 | 0 | 2 | 0 | 2 | 0 | 0 | 39 | 0 | 13 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Oklahoma | Kingfisher, Oklahoma | Kingfisher County, Oklahoma | 16.66666667 | 1950 | Kingfisher | 73 | us-ok-073 | 150 | 0 | 0 | 0 | 1 | 117 | 0 | 3 | 0 | 7 | 22 | |
| Oklahoma | Kiowa, Oklahoma | Kiowa County, Oklahoma | 13.88888889 | 1951 | Kiowa | 75 | us-ok-075 | 125 | 0 | 27 | 0 | 0 | 5 | 0 | 87 | 0 | 6 | 0 | |
| Oklahoma | Latimer, Oklahoma | Latimer County, Oklahoma | 12.44444444 | 1952 | Latimer | 77 | us-ok-077 | 112 | 0 | 3 | 0 | 0 | 0 | 0 | 106 | 0 | 3 | 0 | chlorate, chromium-6, manganese, strontium |
| Oklahoma | Le Flore, Oklahoma | Le Flore County, Oklahoma | 10.2 | 1953 | Le Flore | 79 | us-ok-079 | 204 | 0 | 30 | 0 | 0 | 0 | 0 | 163 | 0 | 9 | 2 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium-6, manganese, strontium, vanadium |
| Oklahoma | Lincoln, Oklahoma | Lincoln County, Oklahoma | 25.84615385 | 1954 | Lincoln | 81 | us-ok-081 | 336 | 0 | 15 | 0 | 0 | 0 | 9 | 299 | 0 | 13 | 0 | |
| Oklahoma | Logan, Oklahoma | Logan County, Oklahoma | 9.2 | 1955 | Logan | 83 | us-ok-083 | 138 | 8 | 9 | 1 | 0 | 36 | 49 | 27 | 0 | 8 | 0 | chromium, chromium-6, strontium, vanadium |
| Oklahoma | Love, Oklahoma | Love County, Oklahoma | 2 | 1956 | Love | 85 | us-ok-085 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Oklahoma | Major, Oklahoma | Major County, Oklahoma | 7.666666667 | 1957 | Major | 93 | us-ok-093 | 46 | 0 | 0 | 0 | 0 | 36 | 9 | 0 | 0 | 1 | 0 | |
| Oklahoma | Marshall, Oklahoma | Marshall County, Oklahoma | 5.888888889 | 1958 | Marshall | 95 | us-ok-095 | 53 | 0 | 2 | 0 | 1 | 0 | 0 | 47 | 0 | 3 | 0 | chlorate, molybdenum, strontium, vanadium |
| Oklahoma | Mayes, Oklahoma | Mayes County, Oklahoma | 5.333333333 | 1959 | Mayes | 97 | us-ok-097 | 144 | 0 | 17 | 0 | 0 | 0 | 0 | 122 | 0 | 5 | 0 | |
| Oklahoma | McClain, Oklahoma | McClain County, Oklahoma | 2.333333333 | 1960 | McClain | 87 | us-ok-087 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 16 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Oklahoma | McCurtain, Oklahoma | McCurtain County, Oklahoma | 8.428571429 | 1961 | McCurtain | 89 | us-ok-089 | 118 | 0 | 5 | 0 | 0 | 0 | 0 | 110 | 0 | 3 | 0 | |
| Oklahoma | McIntosh, Oklahoma | McIntosh County, Oklahoma | 17.35294118 | 1962 | McIntosh | 91 | us-ok-091 | 295 | 0 | 16 | 0 | 0 | 0 | 0 | 268 | 0 | 11 | 0 | |
| Oklahoma | Murray, Oklahoma | Murray County, Oklahoma | 8.333333333 | 1963 | Murray | 99 | us-ok-099 | 75 | 0 | 29 | 0 | 0 | 0 | 0 | 45 | 0 | 1 | 0 | |
| Oklahoma | Muskogee, Oklahoma | Muskogee County, Oklahoma | 20.28571429 | 1964 | Muskogee | 101 | us-ok-101 | 426 | 0 | 41 | 0 | 0 | 0 | 0 | 378 | 0 | 7 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Nowata, Oklahoma | Nowata County, Oklahoma | 12.08333333 | 1965 | Nowata | 105 | us-ok-105 | 145 | 0 | 8 | 0 | 0 | 0 | 0 | 134 | 0 | 3 | 0 | |
| Oklahoma | Okfuskee, Oklahoma | Okfuskee County, Oklahoma | 23 | 1966 | Okfuskee | 107 | us-ok-107 | 161 | 0 | 22 | 0 | 0 | 0 | 0 | 134 | 0 | 5 | 0 | |
| Oklahoma | Oklahoma, Oklahoma | Oklahoma County, Oklahoma | 1.847058824 | 1967 | Oklahoma | 109 | us-ok-109 | 157 | 20 | 1 | 0 | 1 | 0 | 61 | 22 | 0 | 51 | 1 | chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, PFHxS, PFOA, strontium, vanadium |
| Oklahoma | Okmulgee, Oklahoma | Okmulgee County, Oklahoma | 20.61111111 | 1968 | Okmulgee | 111 | us-ok-111 | 371 | 0 | 16 | 0 | 2 | 0 | 0 | 342 | 0 | 11 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Oklahoma | Osage, Oklahoma | Osage County, Oklahoma | 17.9 | 1969 | Osage | 113 | us-ok-113 | 537 | 0 | 52 | 0 | 2 | 8 | 0 | 453 | 0 | 22 | 0 | |
| Oklahoma | Ottawa, Oklahoma | Ottawa County, Oklahoma | 0.9375 | 1970 | Ottawa | 115 | us-ok-115 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Pawnee, Oklahoma | Pawnee County, Oklahoma | 14.92857143 | 1971 | Pawnee | 117 | us-ok-117 | 209 | 0 | 35 | 0 | 0 | 0 | 0 | 160 | 0 | 14 | 0 | |
| Oklahoma | Payne, Oklahoma | Payne County, Oklahoma | 1.416666667 | 1972 | Payne | 119 | us-ok-119 | 34 | 0 | 0 | 0 | 0 | 1 | 0 | 16 | 0 | 17 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Pittsburg, Oklahoma | Pittsburg County, Oklahoma | 21.96296296 | 1973 | Pittsburg | 121 | us-ok-121 | 593 | 0 | 98 | 0 | 3 | 0 | 0 | 451 | 0 | 41 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| Oklahoma | Pontotoc, Oklahoma | Pontotoc County, Oklahoma | 0.25 | 1974 | Pontotoc | 123 | us-ok-123 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Pottawatomie, Oklahoma | Pottawatomie County, Oklahoma | 7.263157895 | 1975 | Pottawatomie | 125 | us-ok-125 | 138 | 0 | 3 | 2 | 1 | 0 | 37 | 74 | 0 | 21 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oklahoma | Pushmataha, Oklahoma | Pushmataha County, Oklahoma | 31.14285714 | 1976 | Pushmataha | 127 | us-ok-127 | 218 | 0 | 9 | 0 | 0 | 0 | 0 | 201 | 0 | 8 | 0 | |
| Oklahoma | Roger Mills, Oklahoma | Roger Mills County, Oklahoma | 6.6 | 1977 | Roger Mills | 129 | us-ok-129 | 33 | 0 | 2 | 0 | 0 | 3 | 0 | 28 | 0 | 0 | 0 | |
| Oklahoma | Rogers, Oklahoma | Rogers County, Oklahoma | 5.481481481 | 1978 | Rogers | 131 | us-ok-131 | 148 | 0 | 1 | 0 | 0 | 0 | 0 | 136 | 0 | 11 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Seminole, Oklahoma | Seminole County, Oklahoma | 8.9 | 1979 | Seminole | 133 | us-ok-133 | 89 | 0 | 10 | 0 | 1 | 0 | 1 | 62 | 0 | 15 | 0 | |
| Oklahoma | Sequoyah, Oklahoma | Sequoyah County, Oklahoma | 4.294117647 | 1980 | Sequoyah | 135 | us-ok-135 | 73 | 0 | 12 | 0 | 0 | 0 | 0 | 59 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| Oklahoma | Stephens, Oklahoma | Stephens County, Oklahoma | 18.625 | 1981 | Stephens | 137 | us-ok-137 | 149 | 0 | 4 | 0 | 0 | 0 | 0 | 142 | 0 | 3 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Oklahoma | Texas, Oklahoma | Texas County, Oklahoma | 0.785714286 | 1982 | Texas | 139 | us-ok-139 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Oklahoma | Tillman, Oklahoma | Tillman County, Oklahoma | 37.28571429 | 1983 | Tillman | 141 | us-ok-141 | 261 | 0 | 5 | 1 | 0 | 45 | 16 | 187 | 0 | 7 | 0 | |
| Oklahoma | Tulsa, Oklahoma | Tulsa County, Oklahoma | 1.647058824 | 1984 | Tulsa | 143 | us-ok-143 | 28 | 0 | 1 | 0 | 0 | 0 | 0 | 13 | 0 | 14 | 0 | chlorate, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| Oklahoma | Wagoner, Oklahoma | Wagoner County, Oklahoma | 12.35714286 | 1985 | Wagoner | 145 | us-ok-145 | 173 | 0 | 12 | 0 | 0 | 0 | 0 | 150 | 0 | 11 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium |
| Oklahoma | Washington, Oklahoma | Washington County, Oklahoma | 2.333333333 | 1986 | Washington | 147 | us-ok-147 | 28 | 0 | 2 | 0 | 0 | 0 | 0 | 13 | 0 | 13 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oklahoma | Washita, Oklahoma | Washita County, Oklahoma | 2.454545455 | 1987 | Washita | 149 | us-ok-149 | 27 | 12 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 1 | 0 | |
| Oklahoma | Woods, Oklahoma | Woods County, Oklahoma | 0.375 | 1988 | Woods | 151 | us-ok-151 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | |
| Oklahoma | Woodward, Oklahoma | Woodward County, Oklahoma | 3.285714286 | 1989 | Woodward | 153 | us-ok-153 | 46 | 0 | 0 | 0 | 0 | 45 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, strontium, vanadium |
| Oregon | Baker, Oregon | Baker County, Oregon | 1 | 1990 | Baker | 1 | us-or-001 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Benton, Oregon | Benton County, Oregon | 1.133333333 | 1991 | Benton | 3 | us-or-003 | 17 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | 8 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oregon | Clackamas, Oregon | Clackamas County, Oregon | 1.259259259 | 1992 | Clackamas | 5 | us-or-005 | 102 | 0 | 5 | 0 | 4 | 2 | 0 | 20 | 0 | 71 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, germanium, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Oregon | Clatsop, Oregon | Clatsop County, Oregon | 2.428571429 | 1993 | Clatsop | 7 | us-or-007 | 51 | 0 | 18 | 0 | 0 | 0 | 0 | 23 | 0 | 10 | 0 | |
| Oregon | Columbia, Oregon | Columbia County, Oregon | 2 | 1994 | Columbia | 9 | us-or-009 | 70 | 24 | 14 | 0 | 0 | 0 | 0 | 2 | 0 | 30 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Oregon | Coos, Oregon | Coos County, Oregon | 3.666666667 | 1995 | Coos | 11 | us-or-011 | 66 | 0 | 25 | 0 | 0 | 0 | 0 | 24 | 0 | 17 | 0 | chlorate, strontium |
| Oregon | Crook, Oregon | Crook County, Oregon | 1.105263158 | 1996 | Crook | 13 | us-or-013 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | |
| Oregon | Curry, Oregon | Curry County, Oregon | 0.636363636 | 1997 | Curry | 15 | us-or-015 | 7 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Oregon | Deschutes, Oregon | Deschutes County, Oregon | 1.257575758 | 1998 | Deschutes | 17 | us-or-017 | 83 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 82 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Douglas, Oregon | Douglas County, Oregon | 1.827586207 | 1999 | Douglas | 19 | us-or-019 | 53 | 0 | 11 | 0 | 4 | 0 | 0 | 28 | 0 | 10 | 0 | chlorate, chromium-6, strontium, vanadium |
| Oregon | Gilliam, Oregon | Gilliam County, Oregon | 0.333333333 | 2000 | Gilliam | 21 | us-or-021 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Oregon | Grant, Oregon | Grant County, Oregon | 0.625 | 2001 | Grant | 23 | us-or-023 | 5 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Oregon | Harney, Oregon | Harney County, Oregon | 0.333333333 | 2002 | Harney | 25 | us-or-025 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Oregon | Hood River, Oregon | Hood River County, Oregon | 0.142857143 | 2003 | Hood River | 27 | us-or-027 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Oregon | Jackson, Oregon | Jackson County, Oregon | 1.95 | 2004 | Jackson | 29 | us-or-029 | 117 | 41 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 74 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oregon | Jefferson, Oregon | Jefferson County, Oregon | 3.25 | 2005 | Jefferson | 31 | us-or-031 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | chromium, chromium-6, strontium, vanadium |
| Oregon | Josephine, Oregon | Josephine County, Oregon | 0.40625 | 2006 | Josephine | 33 | us-or-033 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oregon | Klamath, Oregon | Klamath County, Oregon | 1.074074074 | 2007 | Klamath | 35 | us-or-035 | 29 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Lake, Oregon | Lake County, Oregon | 13.33333333 | 2008 | Lake | 37 | us-or-037 | 40 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Oregon | Lane, Oregon | Lane County, Oregon | 2.205882353 | 2009 | Lane | 39 | us-or-039 | 150 | 77 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 61 | 0 | chromium, chromium-6, strontium, vanadium |
| Oregon | Lincoln, Oregon | Lincoln County, Oregon | 3.566666667 | 2010 | Lincoln | 41 | us-or-041 | 107 | 0 | 86 | 0 | 1 | 0 | 0 | 5 | 0 | 15 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oregon | Linn, Oregon | Linn County, Oregon | 0.829268293 | 2011 | Linn | 43 | us-or-043 | 34 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 31 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Oregon | Malheur, Oregon | Malheur County, Oregon | 18 | 2012 | Malheur | 45 | us-or-045 | 144 | 90 | 0 | 0 | 0 | 20 | 1 | 0 | 0 | 33 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Marion, Oregon | Marion County, Oregon | 2.621621622 | 2013 | Marion | 47 | us-or-047 | 194 | 87 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 103 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Oregon | Morrow, Oregon | Morrow County, Oregon | 4.285714286 | 2014 | Morrow | 49 | us-or-049 | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 29 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Multnomah, Oregon | Multnomah County, Oregon | 0.695652174 | 2015 | Multnomah | 51 | us-or-051 | 16 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Polk, Oregon | Polk County, Oregon | 2.25 | 2016 | Polk | 53 | us-or-053 | 27 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 24 | 1 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Sherman, Oregon | Sherman County, Oregon | 2 | 2017 | Sherman | 55 | us-or-055 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Oregon | Tillamook, Oregon | Tillamook County, Oregon | 1.088235294 | 2018 | Tillamook | 57 | us-or-057 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 13 | 0 | |
| Oregon | Umatilla, Oregon | Umatilla County, Oregon | 2.117647059 | 2019 | Umatilla | 59 | us-or-059 | 72 | 0 | 11 | 0 | 0 | 7 | 0 | 0 | 0 | 54 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Union, Oregon | Union County, Oregon | 0.4 | 2020 | Union | 61 | us-or-061 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Wallowa, Oregon | Wallowa County, Oregon | 0.4 | 2021 | Wallowa | 63 | us-or-063 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Oregon | Wasco, Oregon | Wasco County, Oregon | 1.8 | 2022 | Wasco | 65 | us-or-065 | 36 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 32 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Oregon | Washington, Oregon | Washington County, Oregon | 0.448275862 | 2023 | Washington | 67 | us-or-067 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Oregon | Wheeler, Oregon | Wheeler County, Oregon | 1 | 2024 | Wheeler | 69 | us-or-069 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Oregon | Yamhill, Oregon | Yamhill County, Oregon | 0.967741935 | 2025 | Yamhill | 71 | us-or-071 | 30 | 0 | 3 | 0 | 0 | 0 | 0 | 12 | 0 | 15 | 0 | chlorate, chloromethane, chromium, chromium-6, strontium, vanadium |
| Pennsylvania | Adams, Pennsylvania | Adams County, Pennsylvania | 1.25 | 2026 | Adams | 1 | us-pa-001 | 45 | 0 | 14 | 0 | 1 | 1 | 23 | 3 | 1 | 2 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Pennsylvania | Allegheny, Pennsylvania | Allegheny County, Pennsylvania | 1.222222222 | 2027 | Allegheny | 3 | us-pa-003 | 44 | 0 | 3 | 0 | 2 | 0 | 0 | 34 | 0 | 5 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| Pennsylvania | Armstrong, Pennsylvania | Armstrong County, Pennsylvania | 1.545454545 | 2028 | Armstrong | 5 | us-pa-005 | 34 | 0 | 7 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Pennsylvania | Beaver, Pennsylvania | Beaver County, Pennsylvania | 3.212121212 | 2029 | Beaver | 7 | us-pa-007 | 106 | 0 | 17 | 0 | 1 | 0 | 0 | 84 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Pennsylvania | Bedford, Pennsylvania | Bedford County, Pennsylvania | 1.2 | 2030 | Bedford | 9 | us-pa-009 | 30 | 8 | 11 | 0 | 0 | 2 | 0 | 3 | 0 | 6 | 0 | |
| Pennsylvania | Berks, Pennsylvania | Berks County, Pennsylvania | 1.461538462 | 2031 | Berks | 11 | us-pa-011 | 114 | 13 | 58 | 0 | 4 | 0 | 0 | 10 | 0 | 28 | 1 | 1,1-dichloroethane, 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, strontium, testosterone, vanadium |
| Pennsylvania | Blair, Pennsylvania | Blair County, Pennsylvania | 0.928571429 | 2032 | Blair | 13 | us-pa-013 | 26 | 0 | 15 | 0 | 0 | 3 | 0 | 0 | 0 | 8 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Bradford, Pennsylvania | Bradford County, Pennsylvania | 1.48 | 2033 | Bradford | 15 | us-pa-015 | 37 | 0 | 3 | 9 | 1 | 0 | 7 | 0 | 0 | 15 | 2 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Bucks, Pennsylvania | Bucks County, Pennsylvania | 2.136986301 | 2034 | Bucks | 17 | us-pa-017 | 156 | 68 | 27 | 0 | 2 | 0 | 2 | 23 | 0 | 33 | 1 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, n-propylbenzene, PFHpA, PFHxS, PFNA, PFOA, PFOS, strontium, vanadium |
| Pennsylvania | Butler, Pennsylvania | Butler County, Pennsylvania | 0.959183673 | 2035 | Butler | 19 | us-pa-019 | 47 | 0 | 18 | 0 | 0 | 0 | 0 | 15 | 0 | 14 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Pennsylvania | Cambria, Pennsylvania | Cambria County, Pennsylvania | 2.743589744 | 2036 | Cambria | 21 | us-pa-021 | 107 | 0 | 9 | 0 | 0 | 0 | 0 | 94 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Cameron, Pennsylvania | Cameron County, Pennsylvania | 15 | 2037 | Cameron | 23 | us-pa-023 | 30 | 0 | 14 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | |
| Pennsylvania | Carbon, Pennsylvania | Carbon County, Pennsylvania | 1.931034483 | 2038 | Carbon | 25 | us-pa-025 | 56 | 17 | 20 | 1 | 0 | 0 | 0 | 5 | 0 | 13 | 0 | |
| Pennsylvania | Centre, Pennsylvania | Centre County, Pennsylvania | 0.325581395 | 2039 | Centre | 27 | us-pa-027 | 14 | 0 | 8 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Pennsylvania | Chester, Pennsylvania | Chester County, Pennsylvania | 1.353658537 | 2040 | Chester | 29 | us-pa-029 | 111 | 0 | 54 | 0 | 5 | 11 | 14 | 8 | 0 | 19 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Pennsylvania | Clarion, Pennsylvania | Clarion County, Pennsylvania | 1.25 | 2041 | Clarion | 31 | us-pa-031 | 20 | 0 | 2 | 0 | 0 | 0 | 0 | 15 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, strontium |
| Pennsylvania | Clearfield, Pennsylvania | Clearfield County, Pennsylvania | 1.684210526 | 2042 | Clearfield | 33 | us-pa-033 | 32 | 0 | 6 | 0 | 0 | 0 | 0 | 22 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Clinton, Pennsylvania | Clinton County, Pennsylvania | 0.666666667 | 2043 | Clinton | 35 | us-pa-035 | 12 | 0 | 6 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | |
| Pennsylvania | Columbia, Pennsylvania | Columbia County, Pennsylvania | 0.722222222 | 2044 | Columbia | 37 | us-pa-037 | 13 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium |
| Pennsylvania | Crawford, Pennsylvania | Crawford County, Pennsylvania | 2.372093023 | 2045 | Crawford | 39 | us-pa-039 | 102 | 44 | 14 | 0 | 0 | 5 | 0 | 3 | 4 | 32 | 0 | chlorate, strontium |
| Pennsylvania | Cumberland, Pennsylvania | Cumberland County, Pennsylvania | 0.9 | 2046 | Cumberland | 41 | us-pa-041 | 27 | 0 | 10 | 0 | 0 | 0 | 0 | 12 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Pennsylvania | Dauphin, Pennsylvania | Dauphin County, Pennsylvania | 1.857142857 | 2047 | Dauphin | 43 | us-pa-043 | 52 | 3 | 9 | 0 | 1 | 0 | 13 | 18 | 0 | 8 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, PFHxS, PFNA, PFOA, PFOS, strontium, vanadium |
| Pennsylvania | Delaware, Pennsylvania | Delaware County, Pennsylvania | 1 | 2048 | Delaware | 45 | us-pa-045 | 6 | 0 | 4 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, strontium, testosterone, vanadium |
| Pennsylvania | Elk, Pennsylvania | Elk County, Pennsylvania | 2 | 2049 | Elk | 47 | us-pa-047 | 18 | 0 | 1 | 0 | 1 | 0 | 0 | 16 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Erie, Pennsylvania | Erie County, Pennsylvania | 1.2 | 2050 | Erie | 49 | us-pa-049 | 54 | 0 | 17 | 0 | 0 | 0 | 0 | 18 | 0 | 19 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Pennsylvania | Fayette, Pennsylvania | Fayette County, Pennsylvania | 2.238095238 | 2051 | Fayette | 51 | us-pa-051 | 47 | 0 | 6 | 0 | 0 | 0 | 0 | 38 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Franklin, Pennsylvania | Franklin County, Pennsylvania | 2.28125 | 2052 | Franklin | 55 | us-pa-055 | 73 | 0 | 21 | 0 | 0 | 0 | 15 | 24 | 0 | 13 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Pennsylvania | Fulton, Pennsylvania | Fulton County, Pennsylvania | 0.25 | 2053 | Fulton | 57 | us-pa-057 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Pennsylvania | Greene, Pennsylvania | Greene County, Pennsylvania | 6.5 | 2054 | Greene | 59 | us-pa-059 | 39 | 0 | 1 | 0 | 0 | 0 | 0 | 37 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Pennsylvania | Huntingdon, Pennsylvania | Huntingdon County, Pennsylvania | 0.65 | 2055 | Huntingdon | 61 | us-pa-061 | 13 | 0 | 8 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| Pennsylvania | Indiana, Pennsylvania | Indiana County, Pennsylvania | 4.333333333 | 2056 | Indiana | 63 | us-pa-063 | 78 | 0 | 6 | 0 | 0 | 0 | 0 | 72 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Jefferson, Pennsylvania | Jefferson County, Pennsylvania | 2.363636364 | 2057 | Jefferson | 65 | us-pa-065 | 26 | 0 | 2 | 0 | 4 | 0 | 0 | 19 | 0 | 1 | 0 | |
| Pennsylvania | Juniata, Pennsylvania | Juniata County, Pennsylvania | 0.571428571 | 2058 | Juniata | 67 | us-pa-067 | 8 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Pennsylvania | Lackawanna, Pennsylvania | Lackawanna County, Pennsylvania | 1.052631579 | 2059 | Lackawanna | 69 | us-pa-069 | 40 | 20 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, bromomethane, chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| Pennsylvania | Lancaster, Pennsylvania | Lancaster County, Pennsylvania | 0.99 | 2060 | Lancaster | 71 | us-pa-071 | 99 | 0 | 35 | 0 | 4 | 18 | 16 | 7 | 0 | 15 | 4 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Pennsylvania | Lawrence, Pennsylvania | Lawrence County, Pennsylvania | 0.363636364 | 2061 | Lawrence | 73 | us-pa-073 | 8 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Pennsylvania | Lebanon, Pennsylvania | Lebanon County, Pennsylvania | 0.516129032 | 2062 | Lebanon | 75 | us-pa-075 | 16 | 0 | 5 | 0 | 0 | 6 | 0 | 0 | 0 | 5 | 0 | chromium, chromium-6, strontium, vanadium |
| Pennsylvania | Lehigh, Pennsylvania | Lehigh County, Pennsylvania | 0.697674419 | 2063 | Lehigh | 77 | us-pa-077 | 30 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, PFNA, strontium, vanadium |
| Pennsylvania | Luzerne, Pennsylvania | Luzerne County, Pennsylvania | 0.209876543 | 2064 | Luzerne | 79 | us-pa-079 | 17 | 1 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Pennsylvania | Lycoming, Pennsylvania | Lycoming County, Pennsylvania | 1.5 | 2065 | Lycoming | 81 | us-pa-081 | 51 | 1 | 33 | 3 | 1 | 0 | 0 | 12 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Pennsylvania | McKean, Pennsylvania | McKean County, Pennsylvania | 0.705882353 | 2066 | McKean | 83 | us-pa-083 | 12 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chromium-6, strontium |
| Pennsylvania | Mercer, Pennsylvania | Mercer County, Pennsylvania | 2 | 2067 | Mercer | 85 | us-pa-085 | 70 | 0 | 10 | 0 | 0 | 0 | 0 | 45 | 0 | 15 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Pennsylvania | Mifflin, Pennsylvania | Mifflin County, Pennsylvania | 0.333333333 | 2068 | Mifflin | 87 | us-pa-087 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium |
| Pennsylvania | Monroe, Pennsylvania | Monroe County, Pennsylvania | 2 | 2069 | Monroe | 89 | us-pa-089 | 134 | 1 | 98 | 3 | 2 | 0 | 0 | 5 | 0 | 25 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium |
| Pennsylvania | Montgomery, Pennsylvania | Montgomery County, Pennsylvania | 0.829268293 | 2070 | Montgomery | 91 | us-pa-091 | 34 | 8 | 8 | 0 | 0 | 0 | 0 | 2 | 0 | 13 | 3 | 1,1-dichloroethane, 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, germanium, Halon 1011, HCFC-22, manganese, molybdenum, PFBS, PFHpA, PFHxS, PFNA, PFOA, PFOS, strontium, vanadium |
| Pennsylvania | Montour, Pennsylvania | Montour County, Pennsylvania | 0.8 | 2071 | Montour | 93 | us-pa-093 | 4 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| Pennsylvania | Northampton, Pennsylvania | Northampton County, Pennsylvania | 0.787234043 | 2072 | Northampton | 95 | us-pa-095 | 37 | 0 | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Pennsylvania | Northumberland, Pennsylvania | Northumberland County, Pennsylvania | 0.666666667 | 2073 | Northumberland | 97 | us-pa-097 | 8 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Perry, Pennsylvania | Perry County, Pennsylvania | 3.423076923 | 2074 | Perry | 99 | us-pa-099 | 89 | 68 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | |
| Pennsylvania | Philadelphia, Pennsylvania | Philadelphia County/city, Pennsylvania | 3 | 2075 | Philadelphia | 101 | us-pa-101 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,4-dioxane, 17-alpha-ethynylestradiol, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, testosterone |
| Pennsylvania | Pike, Pennsylvania | Pike County, Pennsylvania | 0.974358974 | 2076 | Pike | 103 | us-pa-103 | 38 | 0 | 30 | 0 | 3 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium |
| Pennsylvania | Potter, Pennsylvania | Potter County, Pennsylvania | 1.777777778 | 2077 | Potter | 105 | us-pa-105 | 16 | 0 | 13 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pennsylvania | Schuylkill, Pennsylvania | Schuylkill County, Pennsylvania | 0.625 | 2078 | Schuylkill | 107 | us-pa-107 | 25 | 0 | 14 | 0 | 3 | 0 | 0 | 8 | 0 | 0 | 0 | chlorate, chromium, chromium-6, cobalt, strontium, testosterone |
| Pennsylvania | Snyder, Pennsylvania | Snyder County, Pennsylvania | 0.470588235 | 2079 | Snyder | 109 | us-pa-109 | 8 | 0 | 4 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | |
| Pennsylvania | Somerset, Pennsylvania | Somerset County, Pennsylvania | 2.641025641 | 2080 | Somerset | 111 | us-pa-111 | 103 | 0 | 89 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | bromomethane, chlorate, chloromethane, chromium-6, manganese, molybdenum, strontium |
| Pennsylvania | Sullivan, Pennsylvania | Sullivan County, Pennsylvania | 1.5 | 2081 | Sullivan | 113 | us-pa-113 | 6 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pennsylvania | Susquehanna, Pennsylvania | Susquehanna County, Pennsylvania | 0.583333333 | 2082 | Susquehanna | 115 | us-pa-115 | 14 | 0 | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pennsylvania | Tioga, Pennsylvania | Tioga County, Pennsylvania | 3.913043478 | 2083 | Tioga | 117 | us-pa-117 | 90 | 3 | 30 | 0 | 0 | 0 | 0 | 53 | 0 | 4 | 0 | |
| Pennsylvania | Union, Pennsylvania | Union County, Pennsylvania | 0.2 | 2084 | Union | 119 | us-pa-119 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Pennsylvania | Venango, Pennsylvania | Venango County, Pennsylvania | 0.666666667 | 2085 | Venango | 121 | us-pa-121 | 18 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Warren, Pennsylvania | Warren County, Pennsylvania | 1.1875 | 2086 | Warren | 123 | us-pa-123 | 19 | 2 | 6 | 0 | 0 | 0 | 0 | 4 | 0 | 7 | 0 | chromium-6, strontium |
| Pennsylvania | Washington, Pennsylvania | Washington County, Pennsylvania | 14.66666667 | 2087 | Washington | 125 | us-pa-125 | 88 | 0 | 0 | 0 | 0 | 0 | 0 | 83 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium |
| Pennsylvania | Wayne, Pennsylvania | Wayne County, Pennsylvania | 2.210526316 | 2088 | Wayne | 127 | us-pa-127 | 84 | 10 | 59 | 0 | 1 | 0 | 0 | 0 | 0 | 14 | 0 | chlorate, chromium-6, strontium |
| Pennsylvania | Westmoreland, Pennsylvania | Westmoreland County, Pennsylvania | 0.647058824 | 2089 | Westmoreland | 129 | us-pa-129 | 11 | 0 | 6 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| Pennsylvania | Wyoming, Pennsylvania | Wyoming County, Pennsylvania | 0.633333333 | 2090 | Wyoming | 131 | us-pa-131 | 19 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | chlorate, chromium-6, manganese, strontium |
| Pennsylvania | York, Pennsylvania | York County, Pennsylvania | 0.744680851 | 2091 | York | 133 | us-pa-133 | 35 | 0 | 9 | 0 | 1 | 2 | 0 | 7 | 0 | 14 | 2 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Rhode Island | Bristol, Rhode Island | Bristol County, Rhode Island | 1.5 | 2092 | Bristol | 1 | us-ri-001 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chromium, chromium-6, strontium, vanadium |
| Rhode Island | Kent, Rhode Island | Kent County, Rhode Island | 0.222222222 | 2093 | Kent | 3 | us-ri-003 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Rhode Island | Newport, Rhode Island | Newport County, Rhode Island | 2.307692308 | 2094 | Newport | 5 | us-ri-005 | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 15 | 0 | 14 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Rhode Island | Providence, Rhode Island | Providence County, Rhode Island | 1.212121212 | 2095 | Providence | 7 | us-ri-007 | 40 | 0 | 2 | 0 | 1 | 0 | 2 | 10 | 0 | 25 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, manganese, molybdenum, PFOA, strontium, vanadium |
| Rhode Island | Washington, Rhode Island | Washington County, Rhode Island | 1.774193548 | 2096 | Washington | 9 | us-ri-009 | 55 | 0 | 0 | 4 | 2 | 0 | 8 | 0 | 3 | 38 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, PFOA, strontium, vanadium |
| South Carolina | Abbeville, South Carolina | Abbeville County, South Carolina | 4.333333333 | 2097 | Abbeville | 1 | us-sc-001 | 26 | 0 | 0 | 0 | 1 | 0 | 20 | 5 | 0 | 0 | 0 | |
| South Carolina | Aiken, South Carolina | Aiken County, South Carolina | 0.36 | 2098 | Aiken | 3 | us-sc-003 | 9 | 0 | 1 | 0 | 1 | 0 | 4 | 3 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| South Carolina | Allendale, South Carolina | Allendale County, South Carolina | 0.75 | 2099 | Allendale | 5 | us-sc-005 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | |
| South Carolina | Beaufort, South Carolina | Beaufort County, South Carolina | 0.625 | 2100 | Beaufort | 13 | us-sc-013 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| South Carolina | Berkeley, South Carolina | Berkeley County, South Carolina | 0.142857143 | 2101 | Berkeley | 15 | us-sc-015 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Carolina | Charleston, South Carolina | Charleston County, South Carolina | 0.533333333 | 2102 | Charleston | 19 | us-sc-019 | 8 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Cherokee, South Carolina | Cherokee County, South Carolina | 0.571428571 | 2103 | Cherokee | 21 | us-sc-021 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Carolina | Chesterfield, South Carolina | Chesterfield County, South Carolina | 0.333333333 | 2104 | Chesterfield | 25 | us-sc-025 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Clarendon, South Carolina | Clarendon County, South Carolina | 0.153846154 | 2105 | Clarendon | 27 | us-sc-027 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, manganese, strontium |
| South Carolina | Colleton, South Carolina | Colleton County, South Carolina | 1.714285714 | 2106 | Colleton | 29 | us-sc-029 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | chromium, molybdenum, strontium, vanadium |
| South Carolina | Darlington, South Carolina | Darlington County, South Carolina | 1.75 | 2107 | Darlington | 31 | us-sc-031 | 7 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, cobalt, manganese, strontium, vanadium |
| South Carolina | Dorchester, South Carolina | Dorchester County, South Carolina | 0.384615385 | 2108 | Dorchester | 35 | us-sc-035 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Carolina | Edgefield, South Carolina | Edgefield County, South Carolina | 1 | 2109 | Edgefield | 37 | us-sc-037 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, strontium, vanadium |
| South Carolina | Fairfield, South Carolina | Fairfield County, South Carolina | 4.142857143 | 2110 | Fairfield | 39 | us-sc-039 | 29 | 0 | 1 | 0 | 0 | 0 | 5 | 18 | 0 | 5 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| South Carolina | Georgetown, South Carolina | Florence County, South Carolina | 0.363636364 | 2111 | Georgetown | 41 | us-sc-041 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Greenville, South Carolina | Georgetown County, South Carolina | 0.111111111 | 2112 | Greenville | 43 | us-sc-043 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Greenwood, South Carolina | Greenville County, South Carolina | 1.285714286 | 2113 | Greenwood | 45 | us-sc-045 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Hampton, South Carolina | Greenwood County, South Carolina | 1.375 | 2114 | Hampton | 47 | us-sc-047 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| South Carolina | Horry, South Carolina | Hampton County, South Carolina | 1.333333333 | 2115 | Horry | 49 | us-sc-049 | 16 | 0 | 0 | 13 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| South Carolina | Kershaw, South Carolina | Horry County, South Carolina | 0.4 | 2116 | Kershaw | 51 | us-sc-051 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| South Carolina | Lancaster, South Carolina | Lancaster County, South Carolina | 1.8 | 2117 | Lancaster | 57 | us-sc-057 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| South Carolina | Laurens, South Carolina | Laurens County, South Carolina | 1.666666667 | 2118 | Laurens | 59 | us-sc-059 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Lexington, South Carolina | Lexington County, South Carolina | 1.455555556 | 2119 | Lexington | 63 | us-sc-063 | 131 | 2 | 4 | 1 | 2 | 0 | 68 | 7 | 0 | 47 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Carolina | Marlboro, South Carolina | Marlboro County, South Carolina | 1.6 | 2120 | Marlboro | 69 | us-sc-069 | 8 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 4 | 0 | chromium, chromium-6, cobalt, strontium |
| South Carolina | McCormick, South Carolina | McCormick County, South Carolina | 2.5 | 2121 | McCormick | 65 | us-sc-065 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| South Carolina | Newberry, South Carolina | Newberry County, South Carolina | 3 | 2122 | Newberry | 71 | us-sc-071 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 13 | 0 | 3 | 0 | 1,4-dioxane, chlorate, chromium-6, strontium, vanadium |
| South Carolina | Oconee, South Carolina | Oconee County, South Carolina | 0.714285714 | 2123 | Oconee | 73 | us-sc-073 | 15 | 0 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 9 | 1 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Orangeburg, South Carolina | Orangeburg County, South Carolina | 0.533333333 | 2124 | Orangeburg | 75 | us-sc-075 | 8 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| South Carolina | Pickens, South Carolina | Pickens County, South Carolina | 0.157894737 | 2125 | Pickens | 77 | us-sc-077 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| South Carolina | Richland, South Carolina | Richland County, South Carolina | 1.59375 | 2126 | Richland | 79 | us-sc-079 | 51 | 0 | 4 | 0 | 2 | 0 | 22 | 0 | 0 | 23 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Carolina | Saluda, South Carolina | Saluda County, South Carolina | 5.833333333 | 2127 | Saluda | 81 | us-sc-081 | 35 | 0 | 8 | 0 | 0 | 0 | 0 | 11 | 0 | 16 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| South Carolina | Spartanburg, South Carolina | Spartanburg County, South Carolina | 0.25 | 2128 | Spartanburg | 83 | us-sc-083 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, PFHpA, PFOA, strontium, vanadium |
| South Carolina | Sumter, South Carolina | Sumter County, South Carolina | 0.473684211 | 2129 | Sumter | 85 | us-sc-085 | 9 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 6 | 1 | chromium, chromium-6, cobalt, strontium, vanadium |
| South Carolina | Union, South Carolina | Union County, South Carolina | 2.25 | 2130 | Union | 87 | us-sc-087 | 18 | 0 | 2 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Carolina | Williamsburg, South Carolina | Williamsburg County, South Carolina | 0.714285714 | 2131 | Williamsburg | 89 | us-sc-089 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | |
| South Carolina | York, South Carolina | York County, South Carolina | 0.685714286 | 2132 | York | 91 | us-sc-091 | 48 | 0 | 0 | 0 | 2 | 0 | 5 | 31 | 0 | 10 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, manganese, strontium, vanadium |
| South Dakota | Aurora, South Dakota | Aurora County, South Dakota | 1 | 2133 | Aurora | 3 | us-sd-003 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| South Dakota | Beadle, South Dakota | Beadle County, South Dakota | 1 | 2135 | Beadle | 5 | us-sd-005 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | chlorate, molybdenum, strontium, vanadium |
| South Dakota | Bennett, South Dakota | Bennett County, South Dakota | 1 | 2137 | Bennett | 7 | us-sd-007 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| South Dakota | Bon Homme, South Dakota | Bon Homme County, South Dakota | 1.666666667 | 2138 | Bon Homme | 9 | us-sd-009 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 3 | 0 | |
| South Dakota | Brookings, South Dakota | Brookings County, South Dakota | 0.9 | 2140 | Brookings | 11 | us-sd-011 | 9 | 1 | 2 | 0 | 2 | 1 | 0 | 2 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Brown, South Dakota | Brown County, South Dakota | 1.238095238 | 2141 | Brown | 13 | us-sd-013 | 26 | 8 | 1 | 0 | 0 | 0 | 0 | 13 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Brule, South Dakota | Brule County, South Dakota | 1 | 2143 | Brule | 15 | us-sd-015 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| South Dakota | Butte, South Dakota | Butte County, South Dakota | 1.5 | 2144 | Butte | 19 | us-sd-019 | 15 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 4 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Charles Mix, South Dakota | Charles Mix County, South Dakota | 1.857142857 | 2145 | Charles Mix | 23 | us-sd-023 | 13 | 0 | 0 | 0 | 6 | 0 | 0 | 7 | 0 | 0 | 0 | |
| South Dakota | Clark, South Dakota | Clark County, South Dakota | 3.428571429 | 2146 | Clark | 25 | us-sd-025 | 24 | 0 | 1 | 10 | 0 | 0 | 0 | 8 | 0 | 5 | 0 | |
| South Dakota | Clay, South Dakota | Clay County, South Dakota | 0.5 | 2147 | Clay | 27 | us-sd-027 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Codington, South Dakota | Codington County, South Dakota | 1.833333333 | 2148 | Codington | 29 | us-sd-029 | 11 | 0 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Corson, South Dakota | Corson County, South Dakota | 4.333333333 | 2149 | Corson | 31 | us-sd-031 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 8 | 0 | |
| South Dakota | Custer, South Dakota | Custer County, South Dakota | 1.8 | 2150 | Custer | 33 | us-sd-033 | 18 | 0 | 2 | 0 | 0 | 0 | 1 | 7 | 0 | 8 | 0 | |
| South Dakota | Day, South Dakota | Day County, South Dakota | 0.5 | 2151 | Day | 37 | us-sd-037 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| South Dakota | Deuel, South Dakota | Deuel County, South Dakota | 0.5 | 2152 | Deuel | 39 | us-sd-039 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| South Dakota | Dewey, South Dakota | Dewey County, South Dakota | 1 | 2153 | Dewey | 41 | us-sd-041 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | |
| South Dakota | Douglas, South Dakota | Douglas County, South Dakota | 2.6 | 2155 | Douglas | 43 | us-sd-043 | 13 | 0 | 0 | 0 | 4 | 0 | 0 | 6 | 0 | 3 | 0 | |
| South Dakota | Edmunds, South Dakota | Edmunds County, South Dakota | 1 | 2156 | Edmunds | 45 | us-sd-045 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | |
| South Dakota | Fall River, South Dakota | Fall River County, South Dakota | 3.3 | 2157 | Fall River | 47 | us-sd-047 | 33 | 4 | 0 | 0 | 0 | 0 | 8 | 10 | 0 | 11 | 0 | |
| South Dakota | Faulk, South Dakota | Faulk County, South Dakota | 1.666666667 | 2158 | Faulk | 49 | us-sd-049 | 10 | 0 | 0 | 0 | 3 | 0 | 0 | 6 | 0 | 1 | 0 | |
| South Dakota | Grant, South Dakota | Grant County, South Dakota | 1.333333333 | 2159 | Grant | 51 | us-sd-051 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | |
| South Dakota | Gregory, South Dakota | Gregory County, South Dakota | 0.75 | 2160 | Gregory | 53 | us-sd-053 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Haakon, South Dakota | Haakon County, South Dakota | 5 | 2162 | Haakon | 55 | us-sd-055 | 10 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 0 | 2 | 0 | |
| South Dakota | Hamlin, South Dakota | Hamlin County, South Dakota | 0.666666667 | 2163 | Hamlin | 57 | us-sd-057 | 4 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | |
| South Dakota | Hand, South Dakota | Hand County, South Dakota | 1 | 2164 | Hand | 59 | us-sd-059 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | |
| South Dakota | Hanson, South Dakota | Hanson County, South Dakota | 1 | 2165 | Hanson | 61 | us-sd-061 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| South Dakota | Hutchinson, South Dakota | Hutchinson County, South Dakota | 0.5 | 2166 | Hutchinson | 67 | us-sd-067 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| South Dakota | Hyde, South Dakota | Hyde County, South Dakota | 1 | 2167 | Hyde | 69 | us-sd-069 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| South Dakota | Jerauld, South Dakota | Jerauld County, South Dakota | 1.5 | 2168 | Jerauld | 73 | us-sd-073 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | |
| South Dakota | Kingsbury, South Dakota | Kingsbury County, South Dakota | 1 | 2169 | Kingsbury | 77 | us-sd-077 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | |
| South Dakota | Lake, South Dakota | Lake County, South Dakota | 2 | 2170 | Lake | 79 | us-sd-079 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 4 | 0 | |
| South Dakota | Lawrence, South Dakota | Lawrence County, South Dakota | 4.852941176 | 2171 | Lawrence | 81 | us-sd-081 | 165 | 25 | 3 | 0 | 0 | 0 | 106 | 14 | 0 | 17 | 0 | |
| South Dakota | Lincoln, South Dakota | Lincoln County, South Dakota | 0.333333333 | 2172 | Lincoln | 83 | us-sd-083 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| South Dakota | Lyman, South Dakota | Lyman County, South Dakota | 2 | 2173 | Lyman | 85 | us-sd-085 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | |
| South Dakota | Marshall, South Dakota | Marshall County, South Dakota | 7.111111111 | 2174 | Marshall | 91 | us-sd-091 | 64 | 40 | 1 | 12 | 0 | 1 | 0 | 5 | 0 | 5 | 0 | |
| South Dakota | McCook, South Dakota | McCook County, South Dakota | 1.8 | 2175 | McCook | 87 | us-sd-087 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 4 | 0 | |
| South Dakota | McPherson, South Dakota | McPherson County, South Dakota | 1 | 2176 | McPherson | 89 | us-sd-089 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| South Dakota | Meade, South Dakota | Meade County, South Dakota | 1.815789474 | 2177 | Meade | 93 | us-sd-093 | 69 | 0 | 0 | 0 | 0 | 0 | 39 | 21 | 0 | 9 | 0 | |
| South Dakota | Mellette, South Dakota | Mellette County, South Dakota | 1 | 2179 | Mellette | 95 | us-sd-095 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| South Dakota | Miner, South Dakota | Miner County, South Dakota | 1 | 2180 | Miner | 97 | us-sd-097 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| South Dakota | Minnehaha, South Dakota | Minnehaha County, South Dakota | 1 | 2181 | Minnehaha | 99 | us-sd-099 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Moody, South Dakota | Moody County, South Dakota | 1.6 | 2182 | Moody | 101 | us-sd-101 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | |
| South Dakota | Pennington, South Dakota | Pennington County, South Dakota | 4.384615385 | 2183 | Pennington | 103 | us-sd-103 | 285 | 0 | 9 | 0 | 2 | 0 | 207 | 42 | 0 | 25 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| South Dakota | Perkins, South Dakota | Perkins County, South Dakota | 1.333333333 | 2184 | Perkins | 105 | us-sd-105 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | |
| South Dakota | Potter, South Dakota | Potter County, South Dakota | 1.666666667 | 2185 | Potter | 107 | us-sd-107 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | |
| South Dakota | Roberts, South Dakota | Roberts County, South Dakota | 2 | 2186 | Roberts | 109 | us-sd-109 | 16 | 6 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| South Dakota | Sanborn, South Dakota | Sanborn County, South Dakota | 3 | 2187 | Sanborn | 111 | us-sd-111 | 9 | 0 | 0 | 0 | 3 | 0 | 0 | 4 | 0 | 2 | 0 | |
| South Dakota | Spink, South Dakota | Spink County, South Dakota | 0.7 | 2189 | Spink | 115 | us-sd-115 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | |
| South Dakota | Tripp, South Dakota | Todd County, South Dakota | 0.5 | 2190 | Tripp | 121 | us-sd-121 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| South Dakota | Turner, South Dakota | Tripp County, South Dakota | 1.5 | 2191 | Turner | 123 | us-sd-123 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 2 | 0 | |
| South Dakota | Union, South Dakota | Union County, South Dakota | 0.285714286 | 2192 | Union | 127 | us-sd-127 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| South Dakota | Walworth, South Dakota | Walworth County, South Dakota | 2 | 2193 | Walworth | 129 | us-sd-129 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| South Dakota | Yankton, South Dakota | Yankton County, South Dakota | 2.6 | 2194 | Yankton | 135 | us-sd-135 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 1 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| South Dakota | Ziebach, South Dakota | Ziebach County, South Dakota | 4 | 2195 | Ziebach | 137 | us-sd-137 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | |
| Tennessee | Anderson, Tennessee | Anderson County, Tennessee | 0.166666667 | 2196 | Anderson | 1 | us-tn-001 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Tennessee | Bedford, Tennessee | Bedford County, Tennessee | 1.833333333 | 2197 | Bedford | 3 | us-tn-003 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | 2 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Tennessee | Benton, Tennessee | Benton County, Tennessee | 1 | 2198 | Benton | 5 | us-tn-005 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Tennessee | Bledsoe, Tennessee | Bledsoe County, Tennessee | 7 | 2199 | Bledsoe | 7 | us-tn-007 | 14 | 0 | 4 | 0 | 0 | 0 | 0 | 9 | 0 | 1 | 0 | |
| Tennessee | Blount, Tennessee | Blount County, Tennessee | 0.375 | 2200 | Blount | 9 | us-tn-009 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| Tennessee | Bradley, Tennessee | Bradley County, Tennessee | 0.666666667 | 2201 | Bradley | 11 | us-tn-011 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| Tennessee | Campbell, Tennessee | Campbell County, Tennessee | 1 | 2202 | Campbell | 13 | us-tn-013 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | chlorate, chloromethane, chromium, chromium-6, strontium, vanadium |
| Tennessee | Cannon, Tennessee | Cannon County, Tennessee | 2 | 2203 | Cannon | 15 | us-tn-015 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Carroll, Tennessee | Carroll County, Tennessee | 0.111111111 | 2204 | Carroll | 17 | us-tn-017 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Carter, Tennessee | Carter County, Tennessee | 0.555555556 | 2205 | Carter | 19 | us-tn-019 | 5 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Cheatham, Tennessee | Cheatham County, Tennessee | 0.5 | 2206 | Cheatham | 21 | us-tn-021 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, strontium, vanadium |
| Tennessee | Claiborne, Tennessee | Claiborne County, Tennessee | 0.2 | 2207 | Claiborne | 25 | us-tn-025 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium-6, strontium, vanadium |
| Tennessee | Clay, Tennessee | Clay County, Tennessee | 2.5 | 2208 | Clay | 27 | us-tn-027 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| Tennessee | Coffee, Tennessee | Coffee County, Tennessee | 0.2 | 2209 | Coffee | 31 | us-tn-031 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Crockett, Tennessee | Crockett County, Tennessee | 0.142857143 | 2210 | Crockett | 33 | us-tn-033 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| Tennessee | Cumberland, Tennessee | Cumberland County, Tennessee | 1.8 | 2211 | Cumberland | 35 | us-tn-035 | 9 | 0 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | chlorate, chromium-6, strontium |
| Tennessee | Davidson, Tennessee | Davidson County, Tennessee | 0.75 | 2212 | Davidson | 37 | us-tn-037 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, strontium, vanadium |
| Tennessee | Decatur, Tennessee | Decatur County, Tennessee | 2.4 | 2213 | Decatur | 39 | us-tn-039 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Tennessee | DeKalb, Tennessee | DeKalb County, Tennessee | 0.4 | 2214 | DeKalb | 41 | us-tn-041 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, strontium, vanadium |
| Tennessee | Dickson, Tennessee | Dickson County, Tennessee | 0.333333333 | 2215 | Dickson | 43 | us-tn-043 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Fentress, Tennessee | Fentress County, Tennessee | 3.5 | 2216 | Fentress | 49 | us-tn-049 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 0 | chromium-6, molybdenum, strontium |
| Tennessee | Franklin, Tennessee | Franklin County, Tennessee | 0.125 | 2217 | Franklin | 51 | us-tn-051 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Tennessee | Giles, Tennessee | Giles County, Tennessee | 2.625 | 2218 | Giles | 55 | us-tn-055 | 21 | 0 | 2 | 0 | 0 | 0 | 0 | 18 | 0 | 1 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Tennessee | Grainger, Tennessee | Grainger County, Tennessee | 2 | 2219 | Grainger | 57 | us-tn-057 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | |
| Tennessee | Greene, Tennessee | Greene County, Tennessee | 3.714285714 | 2220 | Greene | 59 | us-tn-059 | 26 | 0 | 1 | 0 | 0 | 0 | 0 | 20 | 0 | 5 | 0 | chromium, chromium-6, strontium, vanadium |
| Tennessee | Grundy, Tennessee | Grundy County, Tennessee | 2.333333333 | 2221 | Grundy | 61 | us-tn-061 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | chlorate, chromium-6, manganese, strontium |
| Tennessee | Hamblen, Tennessee | Hamblen County, Tennessee | 0.5 | 2222 | Hamblen | 63 | us-tn-063 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Hamilton, Tennessee | Hamilton County, Tennessee | 0.125 | 2223 | Hamilton | 65 | us-tn-065 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, PFHpA, strontium, vanadium |
| Tennessee | Hancock, Tennessee | Hancock County, Tennessee | 2 | 2224 | Hancock | 67 | us-tn-067 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Tennessee | Hardeman, Tennessee | Hardeman County, Tennessee | 0.363636364 | 2225 | Hardeman | 69 | us-tn-069 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| Tennessee | Hardin, Tennessee | Hardin County, Tennessee | 1.4 | 2226 | Hardin | 71 | us-tn-071 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Tennessee | Hawkins, Tennessee | Hawkins County, Tennessee | 3.375 | 2227 | Hawkins | 73 | us-tn-073 | 27 | 0 | 2 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| Tennessee | Henderson, Tennessee | Henderson County, Tennessee | 0.666666667 | 2228 | Henderson | 77 | us-tn-077 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, chromium-6, strontium |
| Tennessee | Hickman, Tennessee | Hickman County, Tennessee | 1.333333333 | 2229 | Hickman | 81 | us-tn-081 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Tennessee | Houston, Tennessee | Houston County, Tennessee | 2 | 2230 | Houston | 83 | us-tn-083 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Tennessee | Humphreys, Tennessee | Humphreys County, Tennessee | 0.25 | 2231 | Humphreys | 85 | us-tn-085 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Jackson, Tennessee | Jackson County, Tennessee | 2 | 2232 | Jackson | 87 | us-tn-087 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | |
| Tennessee | Jefferson, Tennessee | Jefferson County, Tennessee | 0.4 | 2233 | Jefferson | 89 | us-tn-089 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Johnson, Tennessee | Johnson County, Tennessee | 0.6 | 2234 | Johnson | 91 | us-tn-091 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Tennessee | Knox, Tennessee | Knox County, Tennessee | 0.5 | 2235 | Knox | 93 | us-tn-093 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| Tennessee | Lauderdale, Tennessee | Lauderdale County, Tennessee | 0.166666667 | 2236 | Lauderdale | 97 | us-tn-097 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Lawrence, Tennessee | Lawrence County, Tennessee | 0.1 | 2237 | Lawrence | 99 | us-tn-099 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Tennessee | Lewis, Tennessee | Lewis County, Tennessee | 0.5 | 2238 | Lewis | 101 | us-tn-101 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Lincoln, Tennessee | Lincoln County, Tennessee | 0.25 | 2239 | Lincoln | 103 | us-tn-103 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Tennessee | Loudon, Tennessee | Loudon County, Tennessee | 0.5 | 2240 | Loudon | 105 | us-tn-105 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Macon, Tennessee | Macon County, Tennessee | 0.5 | 2241 | Macon | 111 | us-tn-111 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Marion, Tennessee | Marion County, Tennessee | 4.285714286 | 2242 | Marion | 115 | us-tn-115 | 30 | 0 | 15 | 0 | 0 | 0 | 0 | 13 | 0 | 2 | 0 | |
| Tennessee | Maury, Tennessee | Maury County, Tennessee | 1.25 | 2243 | Maury | 119 | us-tn-119 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium-6, strontium, vanadium |
| Tennessee | McMinn, Tennessee | McMinn County, Tennessee | 0.833333333 | 2244 | McMinn | 107 | us-tn-107 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | McNairy, Tennessee | McNairy County, Tennessee | 0.333333333 | 2245 | McNairy | 109 | us-tn-109 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chromium, strontium |
| Tennessee | Monroe, Tennessee | Monroe County, Tennessee | 1.571428571 | 2246 | Monroe | 123 | us-tn-123 | 11 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Tennessee | Montgomery, Tennessee | Montgomery County, Tennessee | 0.428571429 | 2247 | Montgomery | 125 | us-tn-125 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Morgan, Tennessee | Morgan County, Tennessee | 1 | 2248 | Morgan | 129 | us-tn-129 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Tennessee | Obion, Tennessee | Obion County, Tennessee | 0.3 | 2249 | Obion | 131 | us-tn-131 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Tennessee | Overton, Tennessee | Overton County, Tennessee | 2.75 | 2250 | Overton | 133 | us-tn-133 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | chromium-6, strontium, vanadium |
| Tennessee | Perry, Tennessee | Perry County, Tennessee | 0.5 | 2251 | Perry | 135 | us-tn-135 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Tennessee | Pickett, Tennessee | Pickett County, Tennessee | 10 | 2252 | Pickett | 137 | us-tn-137 | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| Tennessee | Polk, Tennessee | Polk County, Tennessee | 0.25 | 2253 | Polk | 139 | us-tn-139 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Putnam, Tennessee | Putnam County, Tennessee | 0.222222222 | 2254 | Putnam | 141 | us-tn-141 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| Tennessee | Rhea, Tennessee | Rhea County, Tennessee | 1.666666667 | 2255 | Rhea | 143 | us-tn-143 | 15 | 0 | 2 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, strontium, testosterone, vanadium |
| Tennessee | Roane, Tennessee | Roane County, Tennessee | 0.428571429 | 2256 | Roane | 145 | us-tn-145 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, n-propylbenzene, strontium, vanadium |
| Tennessee | Robertson, Tennessee | Robertson County, Tennessee | 1 | 2257 | Robertson | 147 | us-tn-147 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Tennessee | Rutherford, Tennessee | Rutherford County, Tennessee | 2.5 | 2258 | Rutherford | 149 | us-tn-149 | 10 | 0 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, PFOA, strontium, vanadium |
| Tennessee | Scott, Tennessee | Scott County, Tennessee | 8.5 | 2259 | Scott | 151 | us-tn-151 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 4-androstene-3,17-dione, chromium-6, strontium, testosterone |
| Tennessee | Sequatchie, Tennessee | Sequatchie County, Tennessee | 0.333333333 | 2260 | Sequatchie | 153 | us-tn-153 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Sevier, Tennessee | Sevier County, Tennessee | 0.583333333 | 2261 | Sevier | 155 | us-tn-155 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Smith, Tennessee | Smith County, Tennessee | 1 | 2262 | Smith | 159 | us-tn-159 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | |
| Tennessee | Stewart, Tennessee | Stewart County, Tennessee | 0.714285714 | 2263 | Stewart | 161 | us-tn-161 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| Tennessee | Sullivan, Tennessee | Sullivan County, Tennessee | 2.818181818 | 2264 | Sullivan | 163 | us-tn-163 | 31 | 0 | 18 | 0 | 0 | 0 | 0 | 3 | 0 | 10 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Tennessee | Sumner, Tennessee | Sumner County, Tennessee | 1.5 | 2265 | Sumner | 165 | us-tn-165 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Tipton, Tennessee | Tipton County, Tennessee | 0.857142857 | 2266 | Tipton | 167 | us-tn-167 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chromium-6, manganese, strontium, vanadium |
| Tennessee | Trousdale, Tennessee | Trousdale County, Tennessee | 3 | 2267 | Trousdale | 169 | us-tn-169 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Union, Tennessee | Union County, Tennessee | 1 | 2268 | Union | 173 | us-tn-173 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Tennessee | Van Buren, Tennessee | Van Buren County, Tennessee | 16 | 2269 | Van Buren | 175 | us-tn-175 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| Tennessee | Warren, Tennessee | Warren County, Tennessee | 3 | 2270 | Warren | 177 | us-tn-177 | 9 | 0 | 3 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Washington, Tennessee | Washington County, Tennessee | 4 | 2271 | Washington | 179 | us-tn-179 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Tennessee | Wayne, Tennessee | Wayne County, Tennessee | 0.142857143 | 2272 | Wayne | 181 | us-tn-181 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Tennessee | Weakley, Tennessee | Weakley County, Tennessee | 0.2 | 2273 | Weakley | 183 | us-tn-183 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, strontium |
| Tennessee | White, Tennessee | White County, Tennessee | 0.6 | 2274 | White | 185 | us-tn-185 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Tennessee | Williamson, Tennessee | Williamson County, Tennessee | 2 | 2275 | Williamson | 187 | us-tn-187 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, strontium, vanadium |
| Tennessee | Wilson, Tennessee | Wilson County, Tennessee | 0.666666667 | 2276 | Wilson | 189 | us-tn-189 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium-6, strontium, vanadium |
| Texas | Anderson, Texas | Anderson County, Texas | 0.458333333 | 2277 | Anderson | 1 | us-tx-001 | 11 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | chromium, chromium-6, strontium, vanadium |
| Texas | Andrews, Texas | Andrews County, Texas | 49 | 2278 | Andrews | 3 | us-tx-003 | 98 | 56 | 0 | 41 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Angelina, Texas | Angelina County, Texas | 9.125 | 2279 | Angelina | 5 | us-tx-005 | 219 | 0 | 0 | 3 | 0 | 0 | 0 | 206 | 0 | 10 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Aransas, Texas | Aransas County, Texas | 1 | 2280 | Aransas | 7 | us-tx-007 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | chlorate, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Archer, Texas | Archer County, Texas | 8.428571429 | 2281 | Archer | 9 | us-tx-009 | 59 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 0 | 0 | 0 | |
| Texas | Atascosa, Texas | Atascosa County, Texas | 0.375 | 2282 | Atascosa | 13 | us-tx-013 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium |
| Texas | Austin, Texas | Austin County, Texas | 1.1 | 2283 | Austin | 15 | us-tx-015 | 22 | 0 | 0 | 0 | 1 | 0 | 13 | 0 | 0 | 8 | 0 | |
| Texas | Bailey, Texas | Bailey County, Texas | 3 | 2284 | Bailey | 17 | us-tx-017 | 6 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Bandera, Texas | Bandera County, Texas | 0.666666667 | 2285 | Bandera | 19 | us-tx-019 | 16 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 2 | 0 | |
| Texas | Bastrop, Texas | Bastrop County, Texas | 1.818181818 | 2286 | Bastrop | 21 | us-tx-021 | 20 | 0 | 0 | 0 | 3 | 0 | 0 | 17 | 0 | 0 | 0 | chlorate, chromium-6, cobalt, strontium, vanadium |
| Texas | Baylor, Texas | Baylor County, Texas | 0.5 | 2287 | Baylor | 23 | us-tx-023 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Bee, Texas | Bee County, Texas | 4.75 | 2288 | Bee | 25 | us-tx-025 | 38 | 15 | 9 | 0 | 0 | 0 | 1 | 7 | 0 | 6 | 0 | chlorate, chromium, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Bell, Texas | Bell County, Texas | 3.035714286 | 2289 | Bell | 27 | us-tx-027 | 85 | 0 | 8 | 0 | 0 | 0 | 0 | 60 | 0 | 17 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Bexar, Texas | Bexar County, Texas | 0.208333333 | 2290 | Bexar | 29 | us-tx-029 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, manganese, molybdenum, strontium, testosterone, vanadium |
| Texas | Blanco, Texas | Blanco County, Texas | 2.333333333 | 2291 | Blanco | 31 | us-tx-031 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0 | 2 | 0 | |
| Texas | Borden, Texas | Borden County, Texas | 50 | 2292 | Borden | 33 | us-tx-033 | 50 | 11 | 0 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Bosque, Texas | Bosque County, Texas | 0.307692308 | 2293 | Bosque | 35 | us-tx-035 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 2 | 0 | |
| Texas | Bowie, Texas | Bowie County, Texas | 4.157894737 | 2294 | Bowie | 37 | us-tx-037 | 79 | 0 | 0 | 0 | 0 | 0 | 0 | 70 | 0 | 9 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Texas | Brazoria, Texas | Brazoria County, Texas | 2.941176471 | 2295 | Brazoria | 39 | us-tx-039 | 450 | 301 | 0 | 0 | 11 | 0 | 0 | 113 | 0 | 25 | 0 | 1,4-dioxane, bromomethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Brazos, Texas | Brazos County, Texas | 1.333333333 | 2296 | Brazos | 41 | us-tx-041 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 2 | 0 | chlorate, chromium-6, strontium, vanadium |
| Texas | Brewster, Texas | Brewster County, Texas | 4 | 2297 | Brewster | 43 | us-tx-043 | 20 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | |
| Texas | Briscoe, Texas | Briscoe County, Texas | 15.5 | 2298 | Briscoe | 45 | us-tx-045 | 62 | 0 | 0 | 0 | 0 | 40 | 0 | 22 | 0 | 0 | 0 | |
| Texas | Brooks, Texas | Brooks County, Texas | 4.5 | 2299 | Brooks | 47 | us-tx-047 | 9 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Brown, Texas | Brown County, Texas | 7 | 2300 | Brown | 49 | us-tx-049 | 63 | 0 | 0 | 0 | 0 | 0 | 0 | 61 | 0 | 2 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Burleson, Texas | Burleson County, Texas | 3.217391304 | 2301 | Burleson | 51 | us-tx-051 | 74 | 0 | 0 | 0 | 4 | 0 | 0 | 65 | 0 | 5 | 0 | chromium-6, manganese, strontium, vanadium |
| Texas | Burnet, Texas | Burnet County, Texas | 9.5 | 2302 | Burnet | 53 | us-tx-053 | 361 | 0 | 3 | 0 | 7 | 1 | 265 | 75 | 0 | 10 | 0 | |
| Texas | Caldwell, Texas | Caldwell County, Texas | 2.727272727 | 2303 | Caldwell | 55 | us-tx-055 | 30 | 0 | 28 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium |
| Texas | Calhoun, Texas | Calhoun County, Texas | 2.181818182 | 2304 | Calhoun | 57 | us-tx-057 | 24 | 0 | 2 | 0 | 3 | 0 | 0 | 15 | 0 | 4 | 0 | 1,4-dioxane, Halon 1011, molybdenum, PFOA, strontium, vanadium |
| Texas | Callahan, Texas | Callahan County, Texas | 8.2 | 2305 | Callahan | 59 | us-tx-059 | 41 | 0 | 5 | 0 | 0 | 0 | 0 | 36 | 0 | 0 | 0 | |
| Texas | Cameron, Texas | Cameron County, Texas | 3.772727273 | 2306 | Cameron | 61 | us-tx-061 | 83 | 0 | 27 | 0 | 0 | 0 | 0 | 40 | 0 | 16 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Camp, Texas | Camp County, Texas | 0.25 | 2307 | Camp | 63 | us-tx-063 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Carson, Texas | Carson County, Texas | 1 | 2308 | Carson | 65 | us-tx-065 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Texas | Cass, Texas | Cass County, Texas | 5.25 | 2309 | Cass | 67 | us-tx-067 | 84 | 0 | 0 | 0 | 2 | 0 | 0 | 77 | 0 | 5 | 0 | |
| Texas | Chambers, Texas | Chambers County, Texas | 5.142857143 | 2310 | Chambers | 71 | us-tx-071 | 144 | 83 | 8 | 0 | 2 | 0 | 0 | 47 | 0 | 4 | 0 | chlorate, chromium, manganese, molybdenum, strontium, vanadium |
| Texas | Cherokee, Texas | Cherokee County, Texas | 5.037037037 | 2311 | Cherokee | 73 | us-tx-073 | 136 | 0 | 0 | 0 | 0 | 0 | 0 | 135 | 0 | 1 | 0 | chromium, chromium-6, strontium, vanadium |
| Texas | Childress, Texas | Childress County, Texas | 1.571428571 | 2312 | Childress | 75 | us-tx-075 | 11 | 0 | 0 | 0 | 4 | 0 | 0 | 3 | 0 | 4 | 0 | |
| Texas | Clay, Texas | Clay County, Texas | 13.5 | 2313 | Clay | 77 | us-tx-077 | 108 | 0 | 3 | 0 | 0 | 10 | 0 | 94 | 0 | 1 | 0 | |
| Texas | Cochran, Texas | Cochran County, Texas | 16 | 2314 | Cochran | 79 | us-tx-079 | 64 | 42 | 0 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Coke, Texas | Coke County, Texas | 30.25 | 2315 | Coke | 81 | us-tx-081 | 121 | 0 | 25 | 0 | 0 | 0 | 0 | 90 | 0 | 6 | 0 | |
| Texas | Coleman, Texas | Coleman County, Texas | 7.666666667 | 2316 | Coleman | 83 | us-tx-083 | 23 | 0 | 0 | 0 | 0 | 2 | 0 | 21 | 0 | 0 | 0 | |
| Texas | Collin, Texas | Collin County, Texas | 0.333333333 | 2317 | Collin | 85 | us-tx-085 | 12 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, n-propylbenzene, strontium, vanadium |
| Texas | Collingsworth, Texas | Collingsworth County, Texas | 14 | 2318 | Collingsworth | 87 | us-tx-087 | 56 | 0 | 0 | 0 | 0 | 56 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Colorado, Texas | Colorado County, Texas | 0.428571429 | 2319 | Colorado | 89 | us-tx-089 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Texas | Comal, Texas | Comal County, Texas | 0.194444444 | 2320 | Comal | 91 | us-tx-091 | 7 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 0 | 2 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Comanche, Texas | Comanche County, Texas | 4.5 | 2321 | Comanche | 93 | us-tx-093 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 1 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, n-propylbenzene, strontium, testosterone, vanadium |
| Texas | Concho, Texas | Concho County, Texas | 61.5 | 2322 | Concho | 95 | us-tx-095 | 246 | 0 | 0 | 0 | 0 | 41 | 144 | 58 | 0 | 3 | 0 | |
| Texas | Cooke, Texas | Cooke County, Texas | 0.473684211 | 2323 | Cooke | 97 | us-tx-097 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 4 | 0 | chlorate, molybdenum, strontium |
| Texas | Coryell, Texas | Coryell County, Texas | 3.230769231 | 2324 | Coryell | 99 | us-tx-099 | 42 | 0 | 1 | 0 | 0 | 0 | 0 | 34 | 0 | 7 | 0 | 1,4-dioxane, molybdenum, strontium, vanadium |
| Texas | Cottle, Texas | Cottle County, Texas | 1.5 | 2325 | Cottle | 101 | us-tx-101 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Crane, Texas | Crane County, Texas | 34 | 2326 | Crane | 103 | us-tx-103 | 34 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Crosby, Texas | Crosby County, Texas | 0.6 | 2327 | Crosby | 107 | us-tx-107 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Texas | Dallam, Texas | Dallam County, Texas | 1 | 2328 | Dallam | 111 | us-tx-111 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | |
| Texas | Dallas, Texas | Dallas County, Texas | 1.382352941 | 2329 | Dallas | 113 | us-tx-113 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 42 | 0 | 1,4-dioxane, 4-androstene-3,17-dione, chlorate, chromium, chromium-6, cobalt, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Dawson, Texas | Dawson County, Texas | 48.75 | 2330 | Dawson | 115 | us-tx-115 | 195 | 91 | 0 | 28 | 2 | 50 | 21 | 1 | 0 | 2 | 0 | |
| Texas | Deaf Smith, Texas | Deaf Smith County, Texas | 1 | 2331 | Deaf Smith | 117 | us-tx-117 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Delta, Texas | Delta County, Texas | 0.5 | 2332 | Delta | 119 | us-tx-119 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chlorate, chromium, manganese, molybdenum, strontium, vanadium |
| Texas | Denton, Texas | Denton County, Texas | 0.19 | 2333 | Denton | 121 | us-tx-121 | 19 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 14 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | DeWitt, Texas | DeWitt County, Texas | 0.6 | 2334 | DeWitt | 123 | us-tx-123 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Texas | Dickens, Texas | Dickens County, Texas | 0.5 | 2335 | Dickens | 125 | us-tx-125 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Dimmit, Texas | Dimmit County, Texas | 0.125 | 2336 | Dimmit | 127 | us-tx-127 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Donley, Texas | Donley County, Texas | 1.6 | 2337 | Donley | 129 | us-tx-129 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | |
| Texas | Duval, Texas | Duval County, Texas | 18.16666667 | 2338 | Duval | 131 | us-tx-131 | 109 | 109 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Eastland, Texas | Eastland County, Texas | 10.30769231 | 2339 | Eastland | 133 | us-tx-133 | 134 | 0 | 4 | 0 | 4 | 0 | 0 | 121 | 0 | 5 | 0 | |
| Texas | Ector, Texas | Ector County, Texas | 17.42857143 | 2340 | Ector | 135 | us-tx-135 | 122 | 22 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Edwards, Texas | Edwards County, Texas | 0.5 | 2341 | Edwards | 137 | us-tx-137 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | El Paso, Texas | El Paso County, Texas | 6.814814815 | 2342 | El Paso | 141 | us-tx-141 | 184 | 164 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Ellis, Texas | Ellis County, Texas | 3.419354839 | 2343 | Ellis | 139 | us-tx-139 | 106 | 0 | 0 | 86 | 0 | 1 | 0 | 16 | 0 | 3 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Erath, Texas | Erath County, Texas | 3.352941176 | 2344 | Erath | 143 | us-tx-143 | 57 | 0 | 0 | 0 | 1 | 0 | 17 | 35 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Falls, Texas | Falls County, Texas | 16.09090909 | 2345 | Falls | 145 | us-tx-145 | 177 | 129 | 17 | 0 | 0 | 0 | 0 | 27 | 0 | 4 | 0 | |
| Texas | Fannin, Texas | Fannin County, Texas | 0.608695652 | 2346 | Fannin | 147 | us-tx-147 | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Texas | Fayette, Texas | Fayette County, Texas | 8.9 | 2347 | Fayette | 149 | us-tx-149 | 89 | 67 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 2 | 0 | |
| Texas | Fisher, Texas | Fisher County, Texas | 3.25 | 2348 | Fisher | 151 | us-tx-151 | 13 | 0 | 0 | 0 | 0 | 4 | 0 | 7 | 0 | 2 | 0 | |
| Texas | Foard, Texas | Foard County, Texas | 12 | 2349 | Foard | 155 | us-tx-155 | 36 | 0 | 0 | 0 | 0 | 3 | 0 | 31 | 0 | 2 | 0 | |
| Texas | Fort Bend, Texas | Fort Bend County, Texas | 0.133333333 | 2350 | Fort Bend | 157 | us-tx-157 | 20 | 0 | 0 | 0 | 3 | 0 | 5 | 8 | 0 | 4 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Franklin, Texas | Franklin County, Texas | 1.75 | 2351 | Franklin | 159 | us-tx-159 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | |
| Texas | Freestone, Texas | Freestone County, Texas | 0.05 | 2352 | Freestone | 161 | us-tx-161 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, manganese, strontium |
| Texas | Frio, Texas | Frio County, Texas | 0.75 | 2353 | Frio | 163 | us-tx-163 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Texas | Gaines, Texas | Gaines County, Texas | 70 | 2354 | Gaines | 165 | us-tx-165 | 350 | 210 | 0 | 130 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Galveston, Texas | Galveston County, Texas | 1.72 | 2355 | Galveston | 167 | us-tx-167 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 0 | 4 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Garza, Texas | Garza County, Texas | 8.666666667 | 2356 | Garza | 169 | us-tx-169 | 26 | 0 | 0 | 0 | 0 | 0 | 14 | 12 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Gillespie, Texas | Gillespie County, Texas | 4.428571429 | 2357 | Gillespie | 171 | us-tx-171 | 62 | 0 | 0 | 0 | 0 | 4 | 58 | 0 | 0 | 0 | 0 | chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Gonzales, Texas | Gonzales County, Texas | 1.666666667 | 2358 | Gonzales | 177 | us-tx-177 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 2 | 0 | |
| Texas | Grayson, Texas | Grayson County, Texas | 4.022222222 | 2359 | Grayson | 181 | us-tx-181 | 181 | 0 | 2 | 0 | 3 | 0 | 58 | 110 | 0 | 8 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Gregg, Texas | Gregg County, Texas | 2.333333333 | 2360 | Gregg | 183 | us-tx-183 | 35 | 0 | 5 | 0 | 0 | 0 | 0 | 27 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Grimes, Texas | Grimes County, Texas | 3.666666667 | 2361 | Grimes | 185 | us-tx-185 | 77 | 40 | 0 | 0 | 6 | 0 | 2 | 24 | 0 | 5 | 0 | |
| Texas | Guadalupe, Texas | Guadalupe County, Texas | 3.785714286 | 2362 | Guadalupe | 187 | us-tx-187 | 53 | 0 | 41 | 0 | 0 | 0 | 0 | 5 | 0 | 7 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Hale, Texas | Hale County, Texas | 0.153846154 | 2363 | Hale | 189 | us-tx-189 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Hall, Texas | Hall County, Texas | 11 | 2364 | Hall | 191 | us-tx-191 | 77 | 0 | 0 | 0 | 0 | 72 | 0 | 4 | 0 | 1 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Texas | Hamilton, Texas | Hamilton County, Texas | 1 | 2365 | Hamilton | 193 | us-tx-193 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | |
| Texas | Hansford, Texas | Hansford County, Texas | 1.333333333 | 2366 | Hansford | 195 | us-tx-195 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Texas | Hardeman, Texas | Hardeman County, Texas | 2.285714286 | 2367 | Hardeman | 197 | us-tx-197 | 16 | 0 | 0 | 0 | 0 | 1 | 0 | 15 | 0 | 0 | 0 | |
| Texas | Hardin, Texas | Hardin County, Texas | 0.523809524 | 2368 | Hardin | 199 | us-tx-199 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | molybdenum, strontium |
| Texas | Harris, Texas | Harris County, Texas | 0.640483384 | 2369 | Harris | 201 | us-tx-201 | 424 | 100 | 0 | 0 | 22 | 0 | 210 | 18 | 0 | 74 | 0 | 1,4-dioxane, 17-alpha-ethynylestradiol, 4-androstene-3,17-dione, bromomethane, chlorate, chloromethane, chromium, chromium-6, cobalt, germanium, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Harrison, Texas | Harrison County, Texas | 2.222222222 | 2370 | Harrison | 203 | us-tx-203 | 60 | 0 | 3 | 0 | 0 | 0 | 0 | 50 | 0 | 7 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Texas | Haskell, Texas | Haskell County, Texas | 17.44444444 | 2371 | Haskell | 207 | us-tx-207 | 157 | 0 | 0 | 0 | 0 | 58 | 0 | 97 | 0 | 2 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Hays, Texas | Hays County, Texas | 0.44 | 2372 | Hays | 209 | us-tx-209 | 22 | 0 | 4 | 0 | 1 | 0 | 0 | 7 | 0 | 10 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Henderson, Texas | Henderson County, Texas | 2.09375 | 2373 | Henderson | 213 | us-tx-213 | 134 | 0 | 6 | 0 | 1 | 0 | 0 | 119 | 0 | 8 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Hidalgo, Texas | Hidalgo County, Texas | 5.884615385 | 2374 | Hidalgo | 215 | us-tx-215 | 153 | 10 | 24 | 0 | 0 | 32 | 0 | 76 | 0 | 11 | 0 | 1,4-dioxane, bromomethane, chlorate, chromium, chromium-6, cobalt, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Hill, Texas | Hill County, Texas | 1.230769231 | 2375 | Hill | 217 | us-tx-217 | 48 | 37 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 0 | |
| Texas | Hockley, Texas | Hockley County, Texas | 41.71428571 | 2376 | Hockley | 219 | us-tx-219 | 292 | 81 | 0 | 167 | 0 | 39 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Texas | Hood, Texas | Hood County, Texas | 0.660377358 | 2377 | Hood | 221 | us-tx-221 | 35 | 0 | 4 | 2 | 1 | 0 | 0 | 21 | 0 | 7 | 0 | chlorate, chloromethane, chromium, chromium-6, cobalt, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Hopkins, Texas | Hopkins County, Texas | 1.928571429 | 2378 | Hopkins | 223 | us-tx-223 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 2 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Houston, Texas | Houston County, Texas | 4.045454545 | 2379 | Houston | 225 | us-tx-225 | 89 | 0 | 2 | 0 | 0 | 0 | 0 | 85 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Texas | Howard, Texas | Howard County, Texas | 12 | 2380 | Howard | 227 | us-tx-227 | 48 | 0 | 16 | 0 | 0 | 0 | 0 | 28 | 0 | 4 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Hudspeth, Texas | Hudspeth County, Texas | 7 | 2381 | Hudspeth | 229 | us-tx-229 | 35 | 25 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Hunt, Texas | Hunt County, Texas | 2.161290323 | 2382 | Hunt | 231 | us-tx-231 | 67 | 0 | 4 | 0 | 2 | 4 | 0 | 46 | 0 | 11 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Hutchinson, Texas | Hutchinson County, Texas | 0.285714286 | 2383 | Hutchinson | 233 | us-tx-233 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Irion, Texas | Irion County, Texas | 1.5 | 2384 | Irion | 235 | us-tx-235 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | |
| Texas | Jack, Texas | Jack County, Texas | 3.333333333 | 2385 | Jack | 237 | us-tx-237 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | 0 | 1 | 0 | |
| Texas | Jackson, Texas | Jackson County, Texas | 4.6 | 2386 | Jackson | 239 | us-tx-239 | 46 | 41 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Jasper, Texas | Jasper County, Texas | 0.5 | 2387 | Jasper | 241 | us-tx-241 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 6 | 0 | chromium, chromium-6, strontium |
| Texas | Jefferson, Texas | Jefferson County, Texas | 4.1875 | 2388 | Jefferson | 245 | us-tx-245 | 67 | 0 | 22 | 0 | 1 | 0 | 0 | 35 | 0 | 9 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Jim Hogg, Texas | Jim Hogg County, Texas | 36 | 2389 | Jim Hogg | 247 | us-tx-247 | 36 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Jim Wells, Texas | Jim Wells County, Texas | 7.285714286 | 2390 | Jim Wells | 249 | us-tx-249 | 51 | 7 | 0 | 0 | 0 | 0 | 37 | 0 | 0 | 7 | 0 | bromomethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Johnson, Texas | Johnson County, Texas | 0.360655738 | 2391 | Johnson | 251 | us-tx-251 | 22 | 0 | 0 | 11 | 0 | 0 | 0 | 4 | 0 | 7 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Jones, Texas | Jones County, Texas | 9.666666667 | 2392 | Jones | 253 | us-tx-253 | 58 | 0 | 5 | 0 | 1 | 0 | 0 | 49 | 0 | 3 | 0 | |
| Texas | Karnes, Texas | Karnes County, Texas | 4.6 | 2393 | Karnes | 255 | us-tx-255 | 23 | 16 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 0 | |
| Texas | Kaufman, Texas | Kaufman County, Texas | 1.25 | 2394 | Kaufman | 257 | us-tx-257 | 35 | 0 | 4 | 0 | 0 | 0 | 0 | 22 | 0 | 9 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Texas | Kendall, Texas | Kendall County, Texas | 5.375 | 2395 | Kendall | 259 | us-tx-259 | 86 | 0 | 0 | 0 | 2 | 0 | 83 | 0 | 0 | 1 | 0 | chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Kenedy, Texas | Kenedy County, Texas | 2.5 | 2396 | Kenedy | 261 | us-tx-261 | 5 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 0 | |
| Texas | Kent, Texas | Kent County, Texas | 42 | 2397 | Kent | 263 | us-tx-263 | 84 | 0 | 0 | 0 | 0 | 0 | 84 | 0 | 0 | 0 | 0 | |
| Texas | Kerr, Texas | Kerr County, Texas | 0.970588235 | 2398 | Kerr | 265 | us-tx-265 | 66 | 0 | 0 | 0 | 0 | 0 | 50 | 11 | 0 | 5 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Kimble, Texas | Kimble County, Texas | 4 | 2399 | Kimble | 267 | us-tx-267 | 8 | 0 | 3 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| Texas | King, Texas | King County, Texas | 42 | 2400 | King | 269 | us-tx-269 | 42 | 0 | 0 | 0 | 0 | 42 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Kleberg, Texas | Kleberg County, Texas | 5 | 2401 | Kleberg | 273 | us-tx-273 | 55 | 8 | 0 | 0 | 0 | 0 | 39 | 4 | 0 | 4 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Knox, Texas | Knox County, Texas | 14.14285714 | 2402 | Knox | 275 | us-tx-275 | 99 | 0 | 1 | 0 | 0 | 54 | 0 | 41 | 0 | 3 | 0 | |
| Texas | La Salle, Texas | La Salle County, Texas | 0.25 | 2403 | La Salle | 283 | us-tx-283 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Lamar, Texas | Lamar County, Texas | 4.222222222 | 2404 | Lamar | 277 | us-tx-277 | 38 | 0 | 1 | 0 | 1 | 0 | 0 | 34 | 0 | 2 | 0 | chlorate, chromium, strontium, vanadium |
| Texas | Lamb, Texas | Lamb County, Texas | 1 | 2405 | Lamb | 279 | us-tx-279 | 8 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Lampasas, Texas | Lampasas County, Texas | 5.25 | 2406 | Lampasas | 281 | us-tx-281 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 3 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Lavaca, Texas | Lavaca County, Texas | 3 | 2407 | Lavaca | 285 | us-tx-285 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | |
| Texas | Lee, Texas | Lee County, Texas | 0.333333333 | 2408 | Lee | 287 | us-tx-287 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Texas | Leon, Texas | Leon County, Texas | 0.05 | 2409 | Leon | 289 | us-tx-289 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Texas | Liberty, Texas | Liberty County, Texas | 0.230769231 | 2410 | Liberty | 291 | us-tx-291 | 15 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 0 | 9 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Limestone, Texas | Limestone County, Texas | 5.9 | 2411 | Limestone | 293 | us-tx-293 | 118 | 41 | 14 | 0 | 1 | 0 | 0 | 57 | 0 | 5 | 0 | |
| Texas | Lipscomb, Texas | Lipscomb County, Texas | 0.5 | 2412 | Lipscomb | 295 | us-tx-295 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Live Oak, Texas | Live Oak County, Texas | 0.4 | 2413 | Live Oak | 297 | us-tx-297 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Llano, Texas | Llano County, Texas | 3.95 | 2414 | Llano | 299 | us-tx-299 | 79 | 0 | 3 | 0 | 0 | 2 | 60 | 8 | 0 | 6 | 0 | |
| Texas | Lubbock, Texas | Lubbock County, Texas | 48.08571429 | 2415 | Lubbock | 303 | us-tx-303 | 1683 | 611 | 0 | 802 | 1 | 132 | 114 | 0 | 0 | 6 | 17 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Lynn, Texas | Lynn County, Texas | 46 | 2416 | Lynn | 305 | us-tx-305 | 230 | 83 | 0 | 94 | 0 | 52 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Madison, Texas | Madison County, Texas | 0.333333333 | 2417 | Madison | 313 | us-tx-313 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |
| Texas | Marion, Texas | Marion County, Texas | 1.181818182 | 2418 | Marion | 315 | us-tx-315 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | |
| Texas | Martin, Texas | Martin County, Texas | 22.5 | 2419 | Martin | 317 | us-tx-317 | 45 | 5 | 0 | 0 | 0 | 17 | 0 | 22 | 0 | 1 | 0 | |
| Texas | Mason, Texas | Mason County, Texas | 67 | 2420 | Mason | 319 | us-tx-319 | 67 | 0 | 0 | 0 | 0 | 0 | 67 | 0 | 0 | 0 | 0 | |
| Texas | Matagorda, Texas | Matagorda County, Texas | 4.173913043 | 2421 | Matagorda | 321 | us-tx-321 | 96 | 15 | 0 | 0 | 0 | 0 | 0 | 74 | 0 | 7 | 0 | molybdenum, strontium |
| Texas | Maverick, Texas | Maverick County, Texas | 8.5 | 2422 | Maverick | 323 | us-tx-323 | 17 | 0 | 5 | 0 | 0 | 0 | 0 | 11 | 0 | 1 | 0 | chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | McCulloch, Texas | McCulloch County, Texas | 85.83333333 | 2423 | McCulloch | 307 | us-tx-307 | 515 | 1 | 5 | 0 | 1 | 0 | 495 | 13 | 0 | 0 | 0 | |
| Texas | McLennan, Texas | McLennan County, Texas | 5.685185185 | 2424 | McLennan | 309 | us-tx-309 | 307 | 265 | 7 | 0 | 2 | 0 | 0 | 20 | 0 | 13 | 0 | bromomethane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Medina, Texas | Medina County, Texas | 2.448275862 | 2425 | Medina | 325 | us-tx-325 | 71 | 0 | 0 | 4 | 0 | 0 | 63 | 0 | 2 | 2 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Midland, Texas | Midland County, Texas | 30.57142857 | 2426 | Midland | 329 | us-tx-329 | 428 | 145 | 2 | 35 | 0 | 223 | 0 | 22 | 0 | 1 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Milam, Texas | Milam County, Texas | 4.5 | 2427 | Milam | 331 | us-tx-331 | 54 | 0 | 13 | 0 | 0 | 0 | 0 | 33 | 0 | 8 | 0 | |
| Texas | Mills, Texas | Mills County, Texas | 10.66666667 | 2428 | Mills | 333 | us-tx-333 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | 0 | 0 | |
| Texas | Mitchell, Texas | Mitchell County, Texas | 0.25 | 2429 | Mitchell | 335 | us-tx-335 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Montague, Texas | Montague County, Texas | 0.1 | 2430 | Montague | 337 | us-tx-337 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Montgomery, Texas | Montgomery County, Texas | 0.707581227 | 2431 | Montgomery | 339 | us-tx-339 | 196 | 0 | 0 | 0 | 29 | 0 | 149 | 1 | 0 | 17 | 0 | chlorate, chromium, chromium-6, germanium, manganese, molybdenum, strontium, vanadium |
| Texas | Moore, Texas | Moore County, Texas | 0.2 | 2432 | Moore | 341 | us-tx-341 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Morris, Texas | Morris County, Texas | 0.2 | 2433 | Morris | 343 | us-tx-343 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Motley, Texas | Motley County, Texas | 13.66666667 | 2434 | Motley | 345 | us-tx-345 | 41 | 0 | 0 | 0 | 0 | 25 | 0 | 14 | 0 | 2 | 0 | |
| Texas | Nacogdoches, Texas | Nacogdoches County, Texas | 2.266666667 | 2435 | Nacogdoches | 347 | us-tx-347 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Texas | Navarro, Texas | Navarro County, Texas | 1.454545455 | 2436 | Navarro | 349 | us-tx-349 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 18 | 0 | chromium, molybdenum, strontium, vanadium |
| Texas | Newton, Texas | Newton County, Texas | 0.25 | 2437 | Newton | 351 | us-tx-351 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Nolan, Texas | Nolan County, Texas | 6 | 2438 | Nolan | 353 | us-tx-353 | 30 | 0 | 0 | 0 | 1 | 27 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Nueces, Texas | Nueces County, Texas | 5.384615385 | 2439 | Nueces | 355 | us-tx-355 | 70 | 29 | 2 | 0 | 1 | 0 | 2 | 28 | 0 | 8 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, testosterone, vanadium |
| Texas | Oldham, Texas | Oldham County, Texas | 0.5 | 2440 | Oldham | 359 | us-tx-359 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Texas | Orange, Texas | Orange County, Texas | 3.1875 | 2441 | Orange | 361 | us-tx-361 | 102 | 36 | 2 | 0 | 4 | 0 | 0 | 53 | 0 | 7 | 0 | 1,4-dioxane, bromomethane, chloromethane, chromium, chromium-6, molybdenum, strontium |
| Texas | Palo Pinto, Texas | Palo Pinto County, Texas | 5.071428571 | 2442 | Palo Pinto | 363 | us-tx-363 | 71 | 0 | 3 | 0 | 2 | 0 | 0 | 66 | 0 | 0 | 0 | chlorate, strontium, vanadium |
| Texas | Panola, Texas | Panola County, Texas | 3.111111111 | 2443 | Panola | 365 | us-tx-365 | 56 | 0 | 0 | 0 | 6 | 0 | 0 | 47 | 0 | 3 | 0 | |
| Texas | Parker, Texas | Parker County, Texas | 4.088235294 | 2444 | Parker | 367 | us-tx-367 | 278 | 0 | 0 | 0 | 12 | 0 | 207 | 46 | 0 | 13 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Parmer, Texas | Parmer County, Texas | 1.5 | 2445 | Parmer | 369 | us-tx-369 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Pecos, Texas | Pecos County, Texas | 3.4 | 2446 | Pecos | 371 | us-tx-371 | 17 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | chromium-6, molybdenum, strontium, vanadium |
| Texas | Polk, Texas | Polk County, Texas | 5.971014493 | 2447 | Polk | 373 | us-tx-373 | 412 | 193 | 0 | 0 | 1 | 0 | 181 | 26 | 0 | 11 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Presidio, Texas | Presidio County, Texas | 10.6 | 2448 | Presidio | 377 | us-tx-377 | 53 | 53 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Rains, Texas | Rains County, Texas | 4.6 | 2449 | Rains | 379 | us-tx-379 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 17 | 0 | 5 | 0 | |
| Texas | Randall, Texas | Randall County, Texas | 0.8 | 2450 | Randall | 381 | us-tx-381 | 12 | 6 | 0 | 3 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Real, Texas | Real County, Texas | 0.4 | 2451 | Real | 385 | us-tx-385 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Red River, Texas | Red River County, Texas | 11.14285714 | 2452 | Red River | 387 | us-tx-387 | 78 | 0 | 0 | 0 | 0 | 0 | 0 | 78 | 0 | 0 | 0 | |
| Texas | Reeves, Texas | Reeves County, Texas | 3 | 2453 | Reeves | 389 | us-tx-389 | 12 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | |
| Texas | Refugio, Texas | Refugio County, Texas | 9.2 | 2454 | Refugio | 391 | us-tx-391 | 46 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Robertson, Texas | Robertson County, Texas | 0.25 | 2455 | Robertson | 395 | us-tx-395 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | manganese, strontium |
| Texas | Rockwall, Texas | Rockwall County, Texas | 0.857142857 | 2456 | Rockwall | 397 | us-tx-397 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Runnels, Texas | Runnels County, Texas | 28.4 | 2457 | Runnels | 399 | us-tx-399 | 142 | 0 | 4 | 0 | 0 | 4 | 0 | 134 | 0 | 0 | 0 | |
| Texas | Rusk, Texas | Rusk County, Texas | 1.176470588 | 2458 | Rusk | 401 | us-tx-401 | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 37 | 0 | 3 | 0 | chromium, chromium-6, cobalt, strontium, vanadium |
| Texas | Sabine, Texas | Sabine County, Texas | 3.727272727 | 2459 | Sabine | 403 | us-tx-403 | 41 | 0 | 9 | 0 | 0 | 0 | 0 | 26 | 0 | 6 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Texas | San Augustine, Texas | San Augustine County, Texas | 15.57142857 | 2460 | San Augustine | 405 | us-tx-405 | 218 | 0 | 1 | 0 | 0 | 0 | 0 | 217 | 0 | 0 | 0 | |
| Texas | San Jacinto, Texas | San Jacinto County, Texas | 2.90625 | 2461 | San Jacinto | 407 | us-tx-407 | 93 | 55 | 0 | 0 | 0 | 0 | 36 | 0 | 0 | 2 | 0 | chlorate, manganese, molybdenum, strontium |
| Texas | San Patricio, Texas | San Patricio County, Texas | 0.928571429 | 2462 | San Patricio | 409 | us-tx-409 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 12 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | San Saba, Texas | San Saba County, Texas | 9.6 | 2463 | San Saba | 411 | us-tx-411 | 48 | 0 | 0 | 0 | 1 | 0 | 47 | 0 | 0 | 0 | 0 | |
| Texas | Schleicher, Texas | Schleicher County, Texas | 1 | 2464 | Schleicher | 413 | us-tx-413 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Scurry, Texas | Scurry County, Texas | 1 | 2465 | Scurry | 415 | us-tx-415 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Shackelford, Texas | Shackelford County, Texas | 5.666666667 | 2466 | Shackelford | 417 | us-tx-417 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 1 | 0 | |
| Texas | Shelby, Texas | Shelby County, Texas | 4.95 | 2467 | Shelby | 419 | us-tx-419 | 99 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 0 | 7 | 0 | |
| Texas | Smith, Texas | Smith County, Texas | 2.923076923 | 2468 | Smith | 423 | us-tx-423 | 114 | 0 | 0 | 0 | 0 | 0 | 0 | 108 | 0 | 6 | 0 | chlorate, chloromethane, chromium, chromium-6, Halon 1011, manganese, strontium, vanadium |
| Texas | Somervell, Texas | Somervell County, Texas | 3 | 2469 | Somervell | 425 | us-tx-425 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 1 | 0 | |
| Texas | Starr, Texas | Starr County, Texas | 2.555555556 | 2470 | Starr | 427 | us-tx-427 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 18 | 0 | 4 | 0 | chlorate, chromium, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Stephens, Texas | Stephens County, Texas | 6 | 2471 | Stephens | 429 | us-tx-429 | 12 | 0 | 9 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Texas | Stonewall, Texas | Stonewall County, Texas | 3.333333333 | 2472 | Stonewall | 433 | us-tx-433 | 10 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 0 | 0 | 0 | |
| Texas | Tarrant, Texas | Tarrant County, Texas | 0.857142857 | 2473 | Tarrant | 439 | us-tx-439 | 72 | 0 | 4 | 0 | 0 | 0 | 13 | 28 | 0 | 27 | 0 | 1,1-dichloroethane, chlorate, chloromethane, chromium, chromium-6, Halon 1011, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Texas | Taylor, Texas | Taylor County, Texas | 3.4 | 2474 | Taylor | 441 | us-tx-441 | 51 | 0 | 5 | 0 | 2 | 0 | 0 | 42 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, PFHpA, PFHxS, PFOS, strontium, vanadium |
| Texas | Terrell, Texas | Terrell County, Texas | 1 | 2475 | Terrell | 443 | us-tx-443 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Texas | Terry, Texas | Terry County, Texas | 39.66666667 | 2476 | Terry | 445 | us-tx-445 | 119 | 44 | 0 | 58 | 0 | 17 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Throckmorton, Texas | Throckmorton County, Texas | 22 | 2477 | Throckmorton | 447 | us-tx-447 | 22 | 0 | 3 | 0 | 0 | 0 | 0 | 18 | 0 | 1 | 0 | |
| Texas | Titus, Texas | Titus County, Texas | 0.6 | 2478 | Titus | 449 | us-tx-449 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | chlorate, chromium, chromium-6, HCFC-22, strontium, vanadium |
| Texas | Tom Green, Texas | Tom Green County, Texas | 0.5625 | 2479 | Tom Green | 451 | us-tx-451 | 9 | 0 | 0 | 0 | 3 | 4 | 0 | 1 | 0 | 1 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Travis, Texas | Travis County, Texas | 1.134831461 | 2480 | Travis | 453 | us-tx-453 | 101 | 0 | 6 | 13 | 6 | 0 | 7 | 51 | 0 | 18 | 0 | chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| Texas | Trinity, Texas | Trinity County, Texas | 5.421052632 | 2481 | Trinity | 455 | us-tx-455 | 103 | 0 | 0 | 0 | 3 | 0 | 0 | 95 | 0 | 5 | 0 | |
| Texas | Tyler, Texas | Tyler County, Texas | 3.833333333 | 2482 | Tyler | 457 | us-tx-457 | 69 | 0 | 0 | 0 | 6 | 0 | 60 | 0 | 0 | 3 | 0 | |
| Texas | Upshur, Texas | Upshur County, Texas | 0.769230769 | 2483 | Upshur | 459 | us-tx-459 | 10 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | chlorate, chromium-6, manganese, strontium |
| Texas | Upton, Texas | Upton County, Texas | 0.25 | 2484 | Upton | 461 | us-tx-461 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Texas | Val Verde, Texas | Val Verde County, Texas | 4.176470588 | 2485 | Val Verde | 465 | us-tx-465 | 71 | 0 | 2 | 0 | 0 | 0 | 67 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Texas | Van Zandt, Texas | Van Zandt County, Texas | 2.619047619 | 2486 | Van Zandt | 467 | us-tx-467 | 55 | 0 | 4 | 0 | 0 | 0 | 0 | 45 | 0 | 6 | 0 | chromium-6, manganese, strontium |
| Texas | Victoria, Texas | Victoria County, Texas | 6.583333333 | 2487 | Victoria | 469 | us-tx-469 | 79 | 39 | 0 | 0 | 3 | 0 | 34 | 0 | 0 | 3 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Texas | Walker, Texas | Walker County, Texas | 2.666666667 | 2488 | Walker | 471 | us-tx-471 | 56 | 0 | 0 | 0 | 1 | 0 | 17 | 36 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, molybdenum, strontium, vanadium |
| Texas | Waller, Texas | Waller County, Texas | 0.708333333 | 2489 | Waller | 473 | us-tx-473 | 17 | 12 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Texas | Washington, Texas | Washington County, Texas | 1.454545455 | 2490 | Washington | 477 | us-tx-477 | 16 | 0 | 0 | 0 | 7 | 0 | 0 | 5 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Texas | Webb, Texas | Webb County, Texas | 18.57142857 | 2491 | Webb | 479 | us-tx-479 | 130 | 70 | 36 | 0 | 0 | 1 | 0 | 20 | 0 | 3 | 0 | chromium, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Wharton, Texas | Wharton County, Texas | 0.642857143 | 2492 | Wharton | 481 | us-tx-481 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Wheeler, Texas | Wheeler County, Texas | 10.25 | 2493 | Wheeler | 483 | us-tx-483 | 41 | 0 | 0 | 0 | 0 | 38 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Texas | Wichita, Texas | Wichita County, Texas | 0.888888889 | 2494 | Wichita | 485 | us-tx-485 | 8 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | 0 | 2 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Texas | Wilbarger, Texas | Wilbarger County, Texas | 20.75 | 2495 | Wilbarger | 487 | us-tx-487 | 166 | 0 | 0 | 0 | 0 | 166 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, strontium, vanadium |
| Texas | Willacy, Texas | Willacy County, Texas | 1.75 | 2496 | Willacy | 489 | us-tx-489 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | |
| Texas | Williamson, Texas | Williamson County, Texas | 1.113636364 | 2497 | Williamson | 491 | us-tx-491 | 49 | 0 | 0 | 32 | 0 | 0 | 1 | 3 | 0 | 13 | 0 | chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Texas | Wilson, Texas | Wilson County, Texas | 0.294117647 | 2498 | Wilson | 493 | us-tx-493 | 5 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, cobalt, Halon 1011, strontium |
| Texas | Wise, Texas | Wise County, Texas | 3.179487179 | 2499 | Wise | 497 | us-tx-497 | 124 | 0 | 10 | 0 | 0 | 0 | 17 | 91 | 0 | 6 | 0 | manganese, molybdenum, strontium |
| Texas | Wood, Texas | Wood County, Texas | 0.368421053 | 2500 | Wood | 499 | us-tx-499 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 2 | 0 | |
| Texas | Yoakum, Texas | Yoakum County, Texas | 43.5 | 2501 | Yoakum | 501 | us-tx-501 | 87 | 49 | 0 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Texas | Young, Texas | Young County, Texas | 0.166666667 | 2502 | Young | 503 | us-tx-503 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| Texas | Zapata, Texas | Zapata County, Texas | 3 | 2503 | Zapata | 505 | us-tx-505 | 12 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | chlorate, chloromethane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Texas | Zavala, Texas | Zavala County, Texas | 13.75 | 2504 | Zavala | 507 | us-tx-507 | 55 | 0 | 0 | 0 | 0 | 1 | 54 | 0 | 0 | 0 | 0 | |
| Utah | Beaver, Utah | Beaver County, Utah | 0.75 | 2505 | Beaver | 1 | us-ut-001 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Utah | Box Elder, Utah | Box Elder County, Utah | 1.285714286 | 2506 | Box Elder | 3 | us-ut-003 | 45 | 7 | 10 | 0 | 2 | 1 | 0 | 0 | 0 | 25 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Utah | Cache, Utah | Cache County, Utah | 0.913043478 | 2507 | Cache | 5 | us-ut-005 | 21 | 2 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 13 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Utah | Carbon, Utah | Carbon County, Utah | 0.4 | 2508 | Carbon | 7 | us-ut-007 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Utah | Daggett, Utah | Daggett County, Utah | 1.25 | 2509 | Daggett | 9 | us-ut-009 | 5 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Utah | Davis, Utah | Davis County, Utah | 1.25 | 2510 | Davis | 11 | us-ut-011 | 25 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Utah | Duchesne, Utah | Duchesne County, Utah | 1.214285714 | 2511 | Duchesne | 13 | us-ut-013 | 17 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Utah | Emery, Utah | Emery County, Utah | 0.363636364 | 2512 | Emery | 15 | us-ut-015 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Utah | Garfield, Utah | Garfield County, Utah | 0.461538462 | 2513 | Garfield | 17 | us-ut-017 | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Utah | Grand, Utah | Grand County, Utah | 0.25 | 2514 | Grand | 19 | us-ut-019 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Utah | Iron, Utah | Iron County, Utah | 2.16 | 2515 | Iron | 21 | us-ut-021 | 54 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 0 | chromium, chromium-6, strontium, vanadium |
| Utah | Juab, Utah | Juab County, Utah | 0.8 | 2516 | Juab | 23 | us-ut-023 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Utah | Kane, Utah | Kane County, Utah | 1.583333333 | 2517 | Kane | 25 | us-ut-025 | 19 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | |
| Utah | Millard, Utah | Millard County, Utah | 0.866666667 | 2518 | Millard | 27 | us-ut-027 | 13 | 0 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | chromium, chromium-6, strontium, vanadium |
| Utah | Morgan, Utah | Morgan County, Utah | 2.272727273 | 2519 | Morgan | 29 | us-ut-029 | 25 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | |
| Utah | Piute, Utah | Piute County, Utah | 1.2 | 2520 | Piute | 31 | us-ut-031 | 6 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Utah | Rich, Utah | Rich County, Utah | 2.75 | 2521 | Rich | 33 | us-ut-033 | 22 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | |
| Utah | Salt Lake, Utah | Salt Lake County, Utah | 1.114285714 | 2522 | Salt Lake | 35 | us-ut-035 | 39 | 0 | 14 | 0 | 0 | 0 | 1 | 0 | 0 | 24 | 0 | chlorate, chromium, chromium-6, Halon 1011, HCFC-22, molybdenum, strontium, vanadium |
| Utah | San Juan, Utah | San Juan County, Utah | 1.75 | 2523 | San Juan | 37 | us-ut-037 | 14 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Utah | Sanpete, Utah | Sanpete County, Utah | 3.052631579 | 2524 | Sanpete | 39 | us-ut-039 | 58 | 3 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 46 | 0 | chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Utah | Sevier, Utah | Sevier County, Utah | 0.823529412 | 2525 | Sevier | 41 | us-ut-041 | 14 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | |
| Utah | Summit, Utah | Summit County, Utah | 2.769230769 | 2526 | Summit | 43 | us-ut-043 | 72 | 1 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 51 | 0 | |
| Utah | Tooele, Utah | Tooele County, Utah | 1.1875 | 2527 | Tooele | 45 | us-ut-045 | 19 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Utah | Uintah, Utah | Uintah County, Utah | 0.555555556 | 2528 | Uintah | 47 | us-ut-047 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Utah | Utah, Utah | Utah County, Utah | 2.15 | 2529 | Utah | 49 | us-ut-049 | 86 | 2 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 72 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Utah | Wasatch, Utah | Wasatch County, Utah | 1.421052632 | 2530 | Wasatch | 51 | us-ut-051 | 27 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | chromium-6, strontium, vanadium |
| Utah | Washington, Utah | Washington County, Utah | 1.333333333 | 2531 | Washington | 53 | us-ut-053 | 48 | 3 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Utah | Wayne, Utah | Wayne County, Utah | 2.333333333 | 2532 | Wayne | 55 | us-ut-055 | 21 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | |
| Utah | Weber, Utah | Weber County, Utah | 0.931034483 | 2533 | Weber | 57 | us-ut-057 | 27 | 2 | 14 | 0 | 0 | 0 | 1 | 0 | 0 | 10 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Virginia | Accomack, Virginia | Accomack County, Virginia | 5.538461538 | 2535 | Accomack | 1 | us-va-001 | 72 | 17 | 0 | 0 | 0 | 1 | 0 | 16 | 0 | 38 | 0 | |
| Virginia | Albemarle, Virginia | Albemarle County, Virginia | 1.260869565 | 2536 | Albemarle | 3 | us-va-003 | 29 | 0 | 1 | 0 | 2 | 2 | 0 | 1 | 0 | 23 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Virginia | Alleghany, Virginia | Alleghany County, Virginia | 0.333333333 | 2537 | Alleghany | 5 | us-va-005 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | |
| Virginia | Amherst, Virginia | Amherst County, Virginia | 0.5 | 2538 | Amherst | 9 | us-va-009 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 4-androstene-3,17-dione, chromium-6, strontium, vanadium |
| Virginia | Appomattox, Virginia | Appomattox County, Virginia | 0.5 | 2539 | Appomattox | 11 | us-va-011 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Virginia | Augusta, Virginia | Augusta County, Virginia | 0.5 | 2540 | Augusta | 15 | us-va-015 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | chromium, chromium-6, strontium, vanadium |
| Virginia | Bath, Virginia | Bath County, Virginia | 0.125 | 2541 | Bath | 17 | us-va-017 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Virginia | Bedford, Virginia | Bedford County, Virginia | 0.894736842 | 2542 | Bedford | 19 | us-va-019 | 17 | 0 | 4 | 0 | 1 | 0 | 0 | 6 | 0 | 6 | 0 | chlorate, chromium-6, strontium, vanadium |
| Virginia | Bland, Virginia | Bland County, Virginia | 0.5 | 2543 | Bland | 21 | us-va-021 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium-6, manganese, strontium |
| Virginia | Botetourt, Virginia | Botetourt County, Virginia | 0.464285714 | 2544 | Botetourt | 23 | us-va-023 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 0 | |
| Virginia | Brunswick, Virginia | Brunswick County, Virginia | 1.9 | 2545 | Brunswick | 25 | us-va-025 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 2 | 0 | |
| Virginia | Buchanan, Virginia | Buchanan County, Virginia | 1.2 | 2546 | Buchanan | 27 | us-va-027 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Virginia | Buckingham, Virginia | Buckingham County, Virginia | 1 | 2547 | Buckingham | 29 | us-va-029 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | |
| Virginia | Campbell, Virginia | Campbell County, Virginia | 1.692307692 | 2548 | Campbell | 31 | us-va-031 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | 6 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Virginia | Caroline, Virginia | Caroline County, Virginia | 2.45 | 2549 | Caroline | 33 | us-va-033 | 49 | 0 | 1 | 0 | 0 | 0 | 0 | 28 | 0 | 20 | 0 | |
| Virginia | Carroll, Virginia | Carroll County, Virginia | 0.833333333 | 2550 | Carroll | 35 | us-va-035 | 10 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 8 | 0 | |
| Virginia | Charles City, Virginia | Charles City County, Virginia | 3.25 | 2551 | Charles City | 36 | us-va-036 | 13 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Virginia | Charlotte, Virginia | Charlotte County, Virginia | 4 | 2552 | Charlotte | 37 | us-va-037 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 6 | 0 | |
| Virginia | Clarke, Virginia | Clarke County, Virginia | 0.6 | 2553 | Clarke | 43 | us-va-043 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| Virginia | Culpeper, Virginia | Culpeper County, Virginia | 2.342857143 | 2554 | Culpeper | 47 | us-va-047 | 82 | 2 | 0 | 0 | 1 | 0 | 48 | 1 | 0 | 11 | 19 | chlorate, chromium, chromium-6, strontium, vanadium |
| Virginia | Dickenson, Virginia | Dickenson County, Virginia | 0.578947368 | 2555 | Dickenson | 51 | us-va-051 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Virginia | Essex, Virginia | Essex County, Virginia | 0.583333333 | 2556 | Essex | 57 | us-va-057 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| Virginia | Fairfax, Virginia | Fairfax County, Virginia | 0.666666667 | 2557 | Fairfax | 59 | us-va-059 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Virginia | Fauquier, Virginia | Fauquier County, Virginia | 2.227272727 | 2558 | Fauquier | 61 | us-va-061 | 49 | 44 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 1 | chromium, chromium-6, strontium, vanadium |
| Virginia | Floyd, Virginia | Floyd County, Virginia | 2 | 2559 | Floyd | 63 | us-va-063 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | |
| Virginia | Fluvanna, Virginia | Fluvanna County, Virginia | 0.666666667 | 2560 | Fluvanna | 65 | us-va-065 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chromium, chromium-6, strontium, vanadium |
| Virginia | Franklin, Virginia | Franklin County, Virginia | 0.743589744 | 2561 | Franklin | 67 | us-va-067 | 29 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 0 | 24 | 0 | |
| Virginia | Giles, Virginia | Giles County, Virginia | 0.294117647 | 2562 | Giles | 71 | us-va-071 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | |
| Virginia | Gloucester, Virginia | Gloucester County, Virginia | 2.25 | 2563 | Gloucester | 73 | us-va-073 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| Virginia | Goochland, Virginia | Goochland County, Virginia | 0.6 | 2564 | Goochland | 75 | us-va-075 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Virginia | Grayson, Virginia | Grayson County, Virginia | 0.2 | 2565 | Grayson | 77 | us-va-077 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Virginia | Greene, Virginia | Greene County, Virginia | 1.25 | 2566 | Greene | 79 | us-va-079 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Virginia | Greensville, Virginia | Greensville County, Virginia | 0.5 | 2567 | Greensville | 81 | us-va-081 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| Virginia | Halifax, Virginia | Halifax County, Virginia | 2.4 | 2568 | Halifax | 83 | us-va-083 | 12 | 0 | 0 | 0 | 0 | 0 | 6 | 5 | 0 | 1 | 0 | |
| Virginia | Hanover, Virginia | Hanover County, Virginia | 0.210526316 | 2569 | Hanover | 85 | us-va-085 | 4 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Virginia | Henry, Virginia | Henry County, Virginia | 0.714285714 | 2570 | Henry | 89 | us-va-089 | 10 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | chlorate, chromium-6, strontium, vanadium |
| Virginia | Isle of Wight, Virginia | Isle of Wight County, Virginia | 7.586206897 | 2571 | Isle of Wight | 93 | us-va-093 | 220 | 0 | 0 | 183 | 0 | 0 | 0 | 0 | 0 | 37 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium |
| Virginia | James City, Virginia | James City County, Virginia | 0.461538462 | 2572 | James City | 95 | us-va-095 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, molybdenum, strontium |
| Virginia | King and Queen, Virginia | King and Queen County, Virginia | 0.333333333 | 2573 | King and Queen | 97 | us-va-097 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Virginia | King George, Virginia | King George County, Virginia | 1.181818182 | 2574 | King George | 99 | us-va-099 | 26 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 25 | 0 | |
| Virginia | King William, Virginia | King William County, Virginia | 0.090909091 | 2575 | King William | 101 | us-va-101 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Virginia | Lancaster, Virginia | Lancaster County, Virginia | 0.357142857 | 2576 | Lancaster | 103 | us-va-103 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 9 | 0 | |
| Virginia | Lee, Virginia | Lee County, Virginia | 0.705882353 | 2577 | Lee | 105 | us-va-105 | 12 | 0 | 4 | 0 | 0 | 0 | 0 | 5 | 0 | 3 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Virginia | Loudoun, Virginia | Loudoun County, Virginia | 0.473684211 | 2578 | Loudoun | 107 | us-va-107 | 9 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | chlorate, chromium, chromium-6, HCFC-22, molybdenum, strontium, vanadium |
| Virginia | Louisa, Virginia | Louisa County, Virginia | 5.818181818 | 2579 | Louisa | 109 | us-va-109 | 64 | 0 | 0 | 0 | 5 | 0 | 0 | 43 | 0 | 16 | 0 | |
| Virginia | Lunenburg, Virginia | Lunenburg County, Virginia | 1.5 | 2580 | Lunenburg | 111 | us-va-111 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Virginia | Madison, Virginia | Madison County, Virginia | 1.454545455 | 2581 | Madison | 113 | us-va-113 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 15 | 0 | |
| Virginia | Mathews, Virginia | Mathews County, Virginia | 4.142857143 | 2582 | Mathews | 115 | us-va-115 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 0 | 1 | 0 | |
| Virginia | Mecklenburg, Virginia | Mecklenburg County, Virginia | 0.826086957 | 2583 | Mecklenburg | 117 | us-va-117 | 19 | 0 | 1 | 0 | 2 | 0 | 0 | 5 | 0 | 11 | 0 | |
| Virginia | Middlesex, Virginia | Middlesex County, Virginia | 0.5 | 2584 | Middlesex | 119 | us-va-119 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | |
| Virginia | Montgomery, Virginia | Montgomery County, Virginia | 1.05 | 2585 | Montgomery | 121 | us-va-121 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Virginia | Nelson, Virginia | Nelson County, Virginia | 1.285714286 | 2586 | Nelson | 125 | us-va-125 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 3 | 0 | chromium-6, manganese, strontium, vanadium |
| Virginia | New Kent, Virginia | New Kent County, Virginia | 0.611111111 | 2587 | New Kent | 127 | us-va-127 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 0 | |
| Virginia | Northampton, Virginia | Northampton County, Virginia | 5.3 | 2588 | Northampton | 131 | us-va-131 | 53 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 45 | 0 | |
| Virginia | Northumberland, Virginia | Northumberland County, Virginia | 0.351351351 | 2589 | Northumberland | 133 | us-va-133 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 12 | 0 | |
| Virginia | Nottoway, Virginia | Nottoway County, Virginia | 10.25 | 2590 | Nottoway | 135 | us-va-135 | 41 | 0 | 0 | 0 | 0 | 0 | 17 | 17 | 0 | 7 | 0 | |
| Virginia | Orange, Virginia | Orange County, Virginia | 0.5 | 2591 | Orange | 137 | us-va-137 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chromium-6, strontium, vanadium |
| Virginia | Page, Virginia | Page County, Virginia | 0.875 | 2592 | Page | 139 | us-va-139 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | |
| Virginia | Pittsylvania, Virginia | Pittsylvania County, Virginia | 0.8 | 2593 | Pittsylvania | 143 | us-va-143 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 7 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Virginia | Prince Edward, Virginia | Prince Edward County, Virginia | 1 | 2594 | Prince Edward | 147 | us-va-147 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Virginia | Prince George, Virginia | Prince George County, Virginia | 1.5 | 2595 | Prince George | 149 | us-va-149 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 17 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, Halon 1011, molybdenum, strontium, vanadium |
| Virginia | Prince William, Virginia | Prince William County, Virginia | 0.4 | 2596 | Prince William | 153 | us-va-153 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, strontium, vanadium |
| Virginia | Pulaski, Virginia | Pulaski County, Virginia | 1.583333333 | 2597 | Pulaski | 155 | us-va-155 | 19 | 0 | 1 | 0 | 0 | 0 | 0 | 16 | 0 | 2 | 0 | |
| Virginia | Richmond, Virginia | Richmond County, Virginia | 0.142857143 | 2598 | Richmond | 159 | us-va-159 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Virginia | Roanoke, Virginia | Roanoke County, Virginia | 0.888888889 | 2599 | Roanoke | 161 | us-va-161 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | 1,2,3-trichloropropane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, HCFC-22, molybdenum, strontium, vanadium |
| Virginia | Rockbridge, Virginia | Rockbridge County, Virginia | 0.111111111 | 2600 | Rockbridge | 163 | us-va-163 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Virginia | Rockingham, Virginia | Rockingham County, Virginia | 0.19047619 | 2601 | Rockingham | 165 | us-va-165 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | chromium-6, strontium, vanadium |
| Virginia | Russell, Virginia | Russell County, Virginia | 0.545454545 | 2602 | Russell | 167 | us-va-167 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | |
| Virginia | Scott, Virginia | Scott County, Virginia | 1.916666667 | 2603 | Scott | 169 | us-va-169 | 23 | 0 | 6 | 0 | 0 | 0 | 0 | 15 | 0 | 2 | 0 | |
| Virginia | Shenandoah, Virginia | Shenandoah County, Virginia | 0.714285714 | 2604 | Shenandoah | 171 | us-va-171 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 8 | 0 | |
| Virginia | Smyth, Virginia | Smyth County, Virginia | 0.285714286 | 2605 | Smyth | 173 | us-va-173 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Virginia | Southampton, Virginia | Southampton County, Virginia | 3.1 | 2606 | Southampton | 175 | us-va-175 | 62 | 0 | 3 | 24 | 0 | 0 | 0 | 0 | 0 | 35 | 0 | |
| Virginia | Spotsylvania, Virginia | Spotsylvania County, Virginia | 0.75 | 2607 | Spotsylvania | 177 | us-va-177 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium-6, strontium, vanadium |
| Virginia | Stafford, Virginia | Stafford County, Virginia | 0.25 | 2608 | Stafford | 179 | us-va-179 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium-6, strontium |
| Virginia | Surry, Virginia | Surry County, Virginia | 3.333333333 | 2609 | Surry | 181 | us-va-181 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 19 | 0 | |
| Virginia | Sussex, Virginia | Sussex County, Virginia | 0.8 | 2610 | Sussex | 183 | us-va-183 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Virginia | Tazewell, Virginia | Tazewell County, Virginia | 0.15 | 2611 | Tazewell | 185 | us-va-185 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Virginia | Warren, Virginia | Warren County, Virginia | 0.888888889 | 2612 | Warren | 187 | us-va-187 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | chlorate, chromium-6, strontium, vanadium |
| Virginia | Westmoreland, Virginia | Westmoreland County, Virginia | 0.173913043 | 2613 | Westmoreland | 193 | us-va-193 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Virginia | Wise, Virginia | Wise County, Virginia | 1.3 | 2614 | Wise | 195 | us-va-195 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 3 | 0 | |
| Virginia | Wythe, Virginia | Wythe County, Virginia | 0.2 | 2615 | Wythe | 197 | us-va-197 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Virginia | York, Virginia | York County, Virginia | 0.625 | 2616 | York | 199 | us-va-199 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| Vermont | Addison, Vermont | Addison County, Vermont | 2.461538462 | 2617 | Addison | 1 | us-vt-001 | 32 | 0 | 0 | 0 | 0 | 0 | 10 | 12 | 0 | 10 | 0 | |
| Vermont | Bennington, Vermont | Bennington County, Vermont | 2.088235294 | 2618 | Bennington | 3 | us-vt-003 | 71 | 0 | 1 | 0 | 3 | 0 | 0 | 30 | 0 | 37 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, strontium, vanadium |
| Vermont | Caledonia, Vermont | Caledonia County, Vermont | 1.95 | 2619 | Caledonia | 5 | us-vt-005 | 39 | 0 | 0 | 0 | 0 | 5 | 0 | 13 | 0 | 21 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Vermont | Chittenden, Vermont | Chittenden County, Vermont | 1.68 | 2620 | Chittenden | 7 | us-vt-007 | 84 | 0 | 1 | 0 | 3 | 0 | 9 | 34 | 0 | 37 | 0 | chlorate, chromium-6, strontium |
| Vermont | Essex, Vermont | Essex County, Vermont | 1 | 2621 | Essex | 9 | us-vt-009 | 9 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Vermont | Franklin, Vermont | Franklin County, Vermont | 1 | 2622 | Franklin | 11 | us-vt-011 | 22 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 18 | 0 | |
| Vermont | Grand Isle, Vermont | Grand Isle County, Vermont | 6.428571429 | 2623 | Grand Isle | 13 | us-vt-013 | 45 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 0 | 4 | 0 | |
| Vermont | Lamoille, Vermont | Lamoille County, Vermont | 0.75 | 2624 | Lamoille | 15 | us-vt-015 | 18 | 0 | 1 | 0 | 3 | 0 | 0 | 3 | 0 | 11 | 0 | |
| Vermont | Orange, Vermont | Orange County, Vermont | 1.6 | 2625 | Orange | 17 | us-vt-017 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 26 | 0 | |
| Vermont | Orleans, Vermont | Orleans County, Vermont | 2.125 | 2626 | Orleans | 19 | us-vt-019 | 51 | 36 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 13 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| Vermont | Rutland, Vermont | Rutland County, Vermont | 4.109090909 | 2627 | Rutland | 21 | us-vt-021 | 226 | 0 | 0 | 0 | 14 | 0 | 36 | 111 | 0 | 65 | 0 | chlorate, chromium, chromium-6, strontium |
| Vermont | Washington, Vermont | Washington County, Vermont | 0.933333333 | 2628 | Washington | 23 | us-vt-023 | 42 | 0 | 0 | 0 | 2 | 0 | 6 | 0 | 0 | 34 | 0 | chlorate, chromium-6, strontium |
| Vermont | Windham, Vermont | Windham County, Vermont | 1.5 | 2629 | Windham | 25 | us-vt-025 | 66 | 0 | 0 | 0 | 7 | 0 | 22 | 0 | 0 | 37 | 0 | Aerobic spores, chlorate, chromium, chromium-6, molybdenum, strontium, Total coliforms, vanadium |
| Vermont | Windsor, Vermont | Windsor County, Vermont | 1.24 | 2630 | Windsor | 27 | us-vt-027 | 62 | 0 | 0 | 0 | 2 | 0 | 11 | 0 | 0 | 49 | 0 | |
| Washington | Adams, Washington | Adams County, Washington | 0.066666667 | 2631 | Adams | 1 | us-wa-001 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, germanium, manganese, molybdenum, strontium, vanadium |
| Washington | Benton, Washington | Benton County, Washington | 1.428571429 | 2632 | Benton | 5 | us-wa-005 | 60 | 0 | 0 | 0 | 0 | 59 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, germanium, manganese, molybdenum, strontium, vanadium |
| Washington | Chelan, Washington | Chelan County, Washington | 0.066666667 | 2633 | Chelan | 7 | us-wa-007 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, germanium, manganese, molybdenum, n-propylbenzene, strontium, vanadium |
| Washington | Clallam, Washington | Clallam County, Washington | 0.066666667 | 2634 | Clallam | 9 | us-wa-009 | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Washington | Cowlitz, Washington | Cowlitz County, Washington | 1.192307692 | 2635 | Cowlitz | 15 | us-wa-015 | 31 | 28 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Washington | Douglas, Washington | Douglas County, Washington | 1.111111111 | 2636 | Douglas | 17 | us-wa-017 | 20 | 0 | 0 | 0 | 0 | 20 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, strontium, vanadium |
| Washington | Ferry, Washington | Ferry County, Washington | 2.8 | 2637 | Ferry | 19 | us-wa-019 | 28 | 5 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Washington | Franklin, Washington | Franklin County, Washington | 1.956521739 | 2638 | Franklin | 21 | us-wa-021 | 45 | 4 | 0 | 0 | 0 | 41 | 0 | 0 | 0 | 0 | 0 | chlorate, chromium-6, molybdenum, strontium, vanadium |
| Washington | Grant, Washington | Grant County, Washington | 0.281690141 | 2639 | Grant | 25 | us-wa-025 | 20 | 6 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Washington | Island, Washington | Island County, Washington | 0.171052632 | 2640 | Island | 29 | us-wa-029 | 39 | 24 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 11 | 0 | chromium, chromium-6, strontium, vanadium |
| Washington | Jefferson, Washington | Jefferson County, Washington | 0.44 | 2641 | Jefferson | 31 | us-wa-031 | 11 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Washington | King, Washington | King County, Washington | 0.149350649 | 2642 | King | 33 | us-wa-033 | 23 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 1,4-dioxane, chlorate, chloromethane, chromium, chromium-6, manganese, molybdenum, PFHpA, PFHxS, PFNA, PFOA, PFOS, strontium, testosterone, vanadium |
| Washington | Kitsap, Washington | Kitsap County, Washington | 0.038961039 | 2643 | Kitsap | 35 | us-wa-035 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1,1-dichloroethane, chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Washington | Kittitas, Washington | Kittitas County, Washington | 0.153846154 | 2644 | Kittitas | 37 | us-wa-037 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, strontium, vanadium |
| Washington | Klickitat, Washington | Klickitat County, Washington | 0.041666667 | 2645 | Klickitat | 39 | us-wa-039 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Washington | Lewis, Washington | Lewis County, Washington | 0.1 | 2646 | Lewis | 41 | us-wa-041 | 5 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Washington | Lincoln, Washington | Lincoln County, Washington | 1 | 2647 | Lincoln | 43 | us-wa-043 | 15 | 11 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | |
| Washington | Mason, Washington | Mason County, Washington | 0.044247788 | 2648 | Mason | 45 | us-wa-045 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Washington | Okanogan, Washington | Okanogan County, Washington | 0.595238095 | 2649 | Okanogan | 47 | us-wa-047 | 25 | 15 | 0 | 0 | 0 | 6 | 1 | 0 | 0 | 3 | 0 | |
| Washington | Pacific, Washington | Pacific County, Washington | 0.058823529 | 2650 | Pacific | 49 | us-wa-049 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | chromium, chromium-6, manganese, strontium, vanadium |
| Washington | Pend Oreille, Washington | Pend Oreille County, Washington | 0.25 | 2651 | Pend Oreille | 51 | us-wa-051 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Washington | Pierce, Washington | Pierce County, Washington | 0.504273504 | 2652 | Pierce | 53 | us-wa-053 | 118 | 3 | 95 | 0 | 0 | 9 | 0 | 0 | 0 | 11 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, PFHpA, PFOA, strontium, vanadium |
| Washington | San Juan, Washington | San Juan County, Washington | 0.25 | 2653 | San Juan | 55 | us-wa-055 | 10 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Washington | Skagit, Washington | Skagit County, Washington | 0.2 | 2654 | Skagit | 57 | us-wa-057 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | chlorate, chromium, chromium-6, strontium |
| Washington | Snohomish, Washington | Snohomish County, Washington | 0.042016807 | 2655 | Snohomish | 61 | us-wa-061 | 5 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4-androstene-3,17-dione, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Washington | Spokane, Washington | Spokane County, Washington | 0.044444444 | 2656 | Spokane | 63 | us-wa-063 | 4 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Washington | Stevens, Washington | Stevens County, Washington | 0.129032258 | 2657 | Stevens | 65 | us-wa-065 | 4 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | |
| Washington | Thurston, Washington | Thurston County, Washington | 0.166666667 | 2658 | Thurston | 67 | us-wa-067 | 34 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Washington | Walla Walla, Washington | Walla Walla County, Washington | 1.75 | 2659 | Walla Walla | 71 | us-wa-071 | 56 | 1 | 3 | 9 | 0 | 43 | 0 | 0 | 0 | 0 | 0 | chromium-6, strontium, vanadium |
| Washington | Whatcom, Washington | Whatcom County, Washington | 1.45631068 | 2660 | Whatcom | 73 | us-wa-073 | 150 | 2 | 5 | 0 | 0 | 139 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, molybdenum, strontium, vanadium |
| Washington | Whitman, Washington | Whitman County, Washington | 0.105263158 | 2661 | Whitman | 75 | us-wa-075 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | chlorate, strontium, vanadium |
| Washington | Yakima, Washington | Yakima County, Washington | 0.024390244 | 2662 | Yakima | 77 | us-wa-077 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chloromethane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Adams, Wisconsin | Adams County, Wisconsin | 0.5 | 2663 | Adams | 1 | us-wi-001 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| Wisconsin | Ashland, Wisconsin | Ashland County, Wisconsin | 0.6 | 2664 | Ashland | 3 | us-wi-003 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Wisconsin | Barron, Wisconsin | Barron County, Wisconsin | 1.733333333 | 2665 | Barron | 5 | us-wi-005 | 26 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 22 | 1 | chromium, chromium-6, manganese, strontium, vanadium |
| Wisconsin | Bayfield, Wisconsin | Bayfield County, Wisconsin | 2.333333333 | 2666 | Bayfield | 7 | us-wi-007 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | |
| Wisconsin | Brown, Wisconsin | Brown County, Wisconsin | 0.4 | 2667 | Brown | 9 | us-wi-009 | 8 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Wisconsin | Buffalo, Wisconsin | Buffalo County, Wisconsin | 0.75 | 2668 | Buffalo | 11 | us-wi-011 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | |
| Wisconsin | Burnett, Wisconsin | Burnett County, Wisconsin | 1.6 | 2669 | Burnett | 13 | us-wi-013 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Wisconsin | Calumet, Wisconsin | Calumet County, Wisconsin | 1.2 | 2670 | Calumet | 15 | us-wi-015 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 3 | 0 | |
| Wisconsin | Chippewa, Wisconsin | Chippewa County, Wisconsin | 0.769230769 | 2671 | Chippewa | 17 | us-wi-017 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Wisconsin | Clark, Wisconsin | Clark County, Wisconsin | 0.857142857 | 2672 | Clark | 19 | us-wi-019 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | |
| Wisconsin | Columbia, Wisconsin | Columbia County, Wisconsin | 0.56 | 2673 | Columbia | 21 | us-wi-021 | 14 | 6 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| Wisconsin | Crawford, Wisconsin | Crawford County, Wisconsin | 0.666666667 | 2674 | Crawford | 23 | us-wi-023 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Wisconsin | Dane, Wisconsin | Dane County, Wisconsin | 0.38 | 2675 | Dane | 25 | us-wi-025 | 19 | 0 | 0 | 0 | 3 | 1 | 3 | 0 | 0 | 12 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| Wisconsin | Dodge, Wisconsin | Dodge County, Wisconsin | 1.230769231 | 2676 | Dodge | 27 | us-wi-027 | 32 | 1 | 1 | 0 | 5 | 0 | 12 | 0 | 0 | 13 | 0 | chromium, chromium-6, strontium, vanadium |
| Wisconsin | Door, Wisconsin | Door County, Wisconsin | 0.714285714 | 2677 | Door | 29 | us-wi-029 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Wisconsin | Douglas, Wisconsin | Douglas County, Wisconsin | 1 | 2678 | Douglas | 31 | us-wi-031 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 0 | chlorate, chromium-6, strontium, vanadium |
| Wisconsin | Dunn, Wisconsin | Dunn County, Wisconsin | 0.8 | 2679 | Dunn | 33 | us-wi-033 | 12 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 9 | 0 | chromium, chromium-6, strontium |
| Wisconsin | Eau Claire, Wisconsin | Eau Claire County, Wisconsin | 0.722222222 | 2680 | Eau Claire | 35 | us-wi-035 | 13 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 0 | 8 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Wisconsin | Fond du Lac, Wisconsin | Fond du Lac County, Wisconsin | 0.52 | 2681 | Fond du Lac | 39 | us-wi-039 | 13 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 3 | 0 | chlorate, chromium-6, molybdenum, strontium |
| Wisconsin | Forest, Wisconsin | Forest County, Wisconsin | 0.2 | 2682 | Forest | 41 | us-wi-041 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Wisconsin | Grant, Wisconsin | Grant County, Wisconsin | 0.714285714 | 2683 | Grant | 43 | us-wi-043 | 20 | 0 | 0 | 0 | 0 | 0 | 5 | 3 | 0 | 11 | 1 | |
| Wisconsin | Green, Wisconsin | Green County, Wisconsin | 0.555555556 | 2684 | Green | 45 | us-wi-045 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, cobalt, strontium, vanadium |
| Wisconsin | Green Lake, Wisconsin | Green Lake County, Wisconsin | 0.428571429 | 2685 | Green Lake | 47 | us-wi-047 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | |
| Wisconsin | Iowa, Wisconsin | Iowa County, Wisconsin | 0.266666667 | 2686 | Iowa | 49 | us-wi-049 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Wisconsin | Iron, Wisconsin | Iron County, Wisconsin | 1.8 | 2687 | Iron | 51 | us-wi-051 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | |
| Wisconsin | Jackson, Wisconsin | Jackson County, Wisconsin | 0.4 | 2688 | Jackson | 53 | us-wi-053 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | |
| Wisconsin | Jefferson, Wisconsin | Jefferson County, Wisconsin | 0.956521739 | 2689 | Jefferson | 55 | us-wi-055 | 22 | 0 | 0 | 0 | 7 | 0 | 2 | 0 | 0 | 13 | 0 | Aerobic spores, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Juneau, Wisconsin | Juneau County, Wisconsin | 0.533333333 | 2690 | Juneau | 57 | us-wi-057 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 2 | |
| Wisconsin | Kenosha, Wisconsin | Kenosha County, Wisconsin | 0.432432432 | 2691 | Kenosha | 59 | us-wi-059 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 15 | 0 | Aerobic spores, chromium, chromium-6, Enterococci, molybdenum, strontium, vanadium |
| Wisconsin | Kewaunee, Wisconsin | Kewaunee County, Wisconsin | 0.5 | 2692 | Kewaunee | 61 | us-wi-061 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, chromium-6, manganese, strontium |
| Wisconsin | La Crosse, Wisconsin | La Crosse County, Wisconsin | 1.083333333 | 2693 | La Crosse | 63 | us-wi-063 | 26 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, molybdenum, PFHxS, PFOS, strontium, vanadium |
| Wisconsin | Lafayette, Wisconsin | Lafayette County, Wisconsin | 2 | 2694 | Lafayette | 65 | us-wi-065 | 20 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 13 | 0 | |
| Wisconsin | Langlade, Wisconsin | Langlade County, Wisconsin | 1.25 | 2695 | Langlade | 67 | us-wi-067 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Wisconsin | Lincoln, Wisconsin | Lincoln County, Wisconsin | 0.6 | 2696 | Lincoln | 69 | us-wi-069 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Wisconsin | Manitowoc, Wisconsin | Manitowoc County, Wisconsin | 0.571428571 | 2697 | Manitowoc | 71 | us-wi-071 | 8 | 0 | 2 | 0 | 3 | 1 | 0 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Wisconsin | Marathon, Wisconsin | Marathon County, Wisconsin | 0.863636364 | 2698 | Marathon | 73 | us-wi-073 | 19 | 0 | 0 | 0 | 6 | 1 | 0 | 8 | 0 | 4 | 0 | chlorate, chromium, chromium-6, Halon 1011, manganese, strontium, vanadium |
| Wisconsin | Marinette, Wisconsin | Marinette County, Wisconsin | 1.25 | 2699 | Marinette | 75 | us-wi-075 | 10 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 1 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Marquette, Wisconsin | Marquette County, Wisconsin | 0.4 | 2700 | Marquette | 77 | us-wi-077 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | |
| Wisconsin | Milwaukee, Wisconsin | Milwaukee County, Wisconsin | 0.25 | 2701 | Milwaukee | 79 | us-wi-079 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Monroe, Wisconsin | Monroe County, Wisconsin | 1.363636364 | 2702 | Monroe | 81 | us-wi-081 | 15 | 0 | 1 | 0 | 2 | 0 | 9 | 0 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| Wisconsin | Oconto, Wisconsin | Oconto County, Wisconsin | 0.4 | 2703 | Oconto | 83 | us-wi-083 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | |
| Wisconsin | Oneida, Wisconsin | Oneida County, Wisconsin | 0.5 | 2704 | Oneida | 85 | us-wi-085 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | chlorate, chromium, chromium-6, manganese, PFHxS, strontium, vanadium |
| Wisconsin | Outagamie, Wisconsin | Outagamie County, Wisconsin | 0.4 | 2705 | Outagamie | 87 | us-wi-087 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 5 | 1 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Ozaukee, Wisconsin | Ozaukee County, Wisconsin | 0.145833333 | 2706 | Ozaukee | 89 | us-wi-089 | 7 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 1 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Pepin, Wisconsin | Pepin County, Wisconsin | 0.333333333 | 2707 | Pepin | 91 | us-wi-091 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Wisconsin | Pierce, Wisconsin | Pierce County, Wisconsin | 0.727272727 | 2708 | Pierce | 93 | us-wi-093 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | molybdenum, strontium |
| Wisconsin | Polk, Wisconsin | Polk County, Wisconsin | 0.666666667 | 2709 | Polk | 95 | us-wi-095 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Wisconsin | Portage, Wisconsin | Portage County, Wisconsin | 0.8 | 2710 | Portage | 97 | us-wi-097 | 8 | 0 | 0 | 0 | 1 | 3 | 0 | 2 | 0 | 2 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Wisconsin | Price, Wisconsin | Price County, Wisconsin | 0.4 | 2711 | Price | 99 | us-wi-099 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Wisconsin | Racine, Wisconsin | Racine County, Wisconsin | 1.071428571 | 2712 | Racine | 101 | us-wi-101 | 15 | 0 | 1 | 0 | 1 | 0 | 11 | 0 | 0 | 2 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Richland, Wisconsin | Richland County, Wisconsin | 0.666666667 | 2713 | Richland | 103 | us-wi-103 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | |
| Wisconsin | Rock, Wisconsin | Rock County, Wisconsin | 0.428571429 | 2714 | Rock | 105 | us-wi-105 | 9 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 3 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Rusk, Wisconsin | Rusk County, Wisconsin | 3.555555556 | 2715 | Rusk | 107 | us-wi-107 | 32 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 26 | 1 | |
| Wisconsin | Sauk, Wisconsin | Sauk County, Wisconsin | 0.52173913 | 2716 | Sauk | 111 | us-wi-111 | 12 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 7 | 0 | chromium, chromium-6, cobalt, strontium, vanadium |
| Wisconsin | Sawyer, Wisconsin | Sawyer County, Wisconsin | 2.2 | 2717 | Sawyer | 113 | us-wi-113 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | |
| Wisconsin | Shawano, Wisconsin | Shawano County, Wisconsin | 0.5 | 2718 | Shawano | 115 | us-wi-115 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, strontium, vanadium |
| Wisconsin | Sheboygan, Wisconsin | Sheboygan County, Wisconsin | 0.333333333 | 2719 | Sheboygan | 117 | us-wi-117 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Wisconsin | St. Croix, Wisconsin | St. Croix County, Wisconsin | 1.947368421 | 2720 | St. Croix | 109 | us-wi-109 | 37 | 0 | 17 | 1 | 1 | 1 | 0 | 0 | 0 | 17 | 0 | chromium, chromium-6, molybdenum, strontium, vanadium |
| Wisconsin | Taylor, Wisconsin | Taylor County, Wisconsin | 1.833333333 | 2721 | Taylor | 119 | us-wi-119 | 11 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 0 | 6 | 0 | |
| Wisconsin | Trempealeau, Wisconsin | Trempealeau County, Wisconsin | 0.5 | 2722 | Trempealeau | 121 | us-wi-121 | 8 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 5 | 0 | |
| Wisconsin | Vernon, Wisconsin | Vernon County, Wisconsin | 0.357142857 | 2723 | Vernon | 123 | us-wi-123 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Wisconsin | Vilas, Wisconsin | Vilas County, Wisconsin | 0.454545455 | 2724 | Vilas | 125 | us-wi-125 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | |
| Wisconsin | Walworth, Wisconsin | Walworth County, Wisconsin | 0.967741935 | 2725 | Walworth | 127 | us-wi-127 | 30 | 8 | 0 | 1 | 9 | 0 | 4 | 1 | 0 | 7 | 0 | chlorate, cobalt, molybdenum, strontium |
| Wisconsin | Washburn, Wisconsin | Washburn County, Wisconsin | 1.166666667 | 2726 | Washburn | 129 | us-wi-129 | 7 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Wisconsin | Washington, Wisconsin | Washington County, Wisconsin | 0.125 | 2727 | Washington | 131 | us-wi-131 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1,4-dioxane, Aerobic spores, chlorate, chromium, chromium-6, cobalt, molybdenum, PFOA, strontium, vanadium |
| Wisconsin | Waukesha, Wisconsin | Waukesha County, Wisconsin | 2.851851852 | 2728 | Waukesha | 133 | us-wi-133 | 231 | 5 | 3 | 0 | 4 | 0 | 197 | 1 | 4 | 17 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium, chromium-6, HCFC-22, manganese, molybdenum, strontium, vanadium |
| Wisconsin | Waupaca, Wisconsin | Waupaca County, Wisconsin | 0.75 | 2729 | Waupaca | 135 | us-wi-135 | 9 | 7 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | chlorate, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Wisconsin | Winnebago, Wisconsin | Winnebago County, Wisconsin | 0.5 | 2730 | Winnebago | 139 | us-wi-139 | 5 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, HCFC-22, manganese, strontium, vanadium |
| Wisconsin | Wood, Wisconsin | Wood County, Wisconsin | 0.357142857 | 2731 | Wood | 141 | us-wi-141 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| West Virginia | Barbour, West Virginia | Barbour County, West Virginia | 0.111111111 | 2732 | Barbour | 1 | us-wv-001 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| West Virginia | Berkeley, West Virginia | Berkeley County, West Virginia | 0.3125 | 2733 | Berkeley | 3 | us-wv-003 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, PFHxS, PFOS, strontium, vanadium |
| West Virginia | Boone, West Virginia | Boone County, West Virginia | 0.5 | 2734 | Boone | 5 | us-wv-005 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | |
| West Virginia | Braxton, West Virginia | Braxton County, West Virginia | 1.2 | 2735 | Braxton | 7 | us-wv-007 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | |
| West Virginia | Brooke, West Virginia | Brooke County, West Virginia | 1.875 | 2736 | Brooke | 9 | us-wv-009 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 0 | 0 | 1,1-dichloroethane, 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium |
| West Virginia | Cabell, West Virginia | Cabell County, West Virginia | 0.5 | 2737 | Cabell | 11 | us-wv-011 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1,4-dioxane, chlorate, chromium-6, molybdenum, strontium |
| West Virginia | Calhoun, West Virginia | Calhoun County, West Virginia | 0.666666667 | 2738 | Calhoun | 13 | us-wv-013 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | |
| West Virginia | Clay, West Virginia | Clay County, West Virginia | 2 | 2739 | Clay | 15 | us-wv-015 | 12 | 0 | 3 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | |
| West Virginia | Fayette, West Virginia | Fayette County, West Virginia | 1 | 2740 | Fayette | 19 | us-wv-019 | 12 | 0 | 4 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | chromium, chromium-6, strontium, vanadium |
| West Virginia | Gilmer, West Virginia | Gilmer County, West Virginia | 1 | 2741 | Gilmer | 21 | us-wv-021 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | |
| West Virginia | Greenbrier, West Virginia | Greenbrier County, West Virginia | 0.454545455 | 2742 | Greenbrier | 25 | us-wv-025 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | chromium, chromium-6, strontium |
| West Virginia | Hampshire, West Virginia | Hampshire County, West Virginia | 1.833333333 | 2743 | Hampshire | 27 | us-wv-027 | 11 | 0 | 4 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 0 | |
| West Virginia | Hancock, West Virginia | Hancock County, West Virginia | 0.428571429 | 2744 | Hancock | 29 | us-wv-029 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1,4-dioxane, chromium-6, manganese, molybdenum, strontium |
| West Virginia | Hardy, West Virginia | Hardy County, West Virginia | 2.7 | 2745 | Hardy | 31 | us-wv-031 | 27 | 0 | 0 | 0 | 1 | 0 | 0 | 26 | 0 | 0 | 0 | |
| West Virginia | Harrison, West Virginia | Harrison County, West Virginia | 2.285714286 | 2746 | Harrison | 33 | us-wv-033 | 48 | 0 | 2 | 0 | 1 | 0 | 0 | 39 | 0 | 6 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| West Virginia | Jackson, West Virginia | Jackson County, West Virginia | 6.833333333 | 2747 | Jackson | 35 | us-wv-035 | 41 | 0 | 1 | 0 | 0 | 0 | 0 | 38 | 0 | 2 | 0 | |
| West Virginia | Jefferson, West Virginia | Jefferson County, West Virginia | 2.352941176 | 2748 | Jefferson | 37 | us-wv-037 | 40 | 0 | 16 | 0 | 0 | 2 | 0 | 19 | 0 | 3 | 0 | chromium, chromium-6, Halon 1011, strontium, vanadium |
| West Virginia | Kanawha, West Virginia | Kanawha County, West Virginia | 4.333333333 | 2749 | Kanawha | 39 | us-wv-039 | 26 | 0 | 2 | 0 | 0 | 0 | 0 | 23 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| West Virginia | Lewis, West Virginia | Lewis County, West Virginia | 0.5 | 2750 | Lewis | 41 | us-wv-041 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | chromium, chromium-6, strontium |
| West Virginia | Lincoln, West Virginia | Lincoln County, West Virginia | 1.5 | 2751 | Lincoln | 43 | us-wv-043 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | |
| West Virginia | Logan, West Virginia | Logan County, West Virginia | 0.5 | 2752 | Logan | 45 | us-wv-045 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | chromium, chromium-6, strontium |
| West Virginia | Marion, West Virginia | Marion County, West Virginia | 0.516129032 | 2753 | Marion | 49 | us-wv-049 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 12 | 0 | 3 | 0 | chlorate, chromium, chromium-6, manganese, strontium |
| West Virginia | Marshall, West Virginia | Marshall County, West Virginia | 0.545454545 | 2754 | Marshall | 51 | us-wv-051 | 6 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | chlorate, chromium-6, strontium, testosterone |
| West Virginia | Mason, West Virginia | Mason County, West Virginia | 0.181818182 | 2755 | Mason | 53 | us-wv-053 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chromium-6, strontium |
| West Virginia | McDowell, West Virginia | McDowell County, West Virginia | 2.076923077 | 2756 | McDowell | 47 | us-wv-047 | 54 | 0 | 33 | 0 | 1 | 0 | 0 | 12 | 0 | 8 | 0 | |
| West Virginia | Mercer, West Virginia | Mercer County, West Virginia | 2.846153846 | 2757 | Mercer | 55 | us-wv-055 | 37 | 0 | 6 | 0 | 0 | 0 | 0 | 28 | 0 | 3 | 0 | chromium, chromium-6, strontium, vanadium |
| West Virginia | Mineral, West Virginia | Mineral County, West Virginia | 0.636363636 | 2758 | Mineral | 57 | us-wv-057 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 2 | 0 | |
| West Virginia | Mingo, West Virginia | Mingo County, West Virginia | 0.769230769 | 2759 | Mingo | 59 | us-wv-059 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 1 | 0 | chlorate, chromium-6, manganese, strontium, vanadium |
| West Virginia | Monroe, West Virginia | Monroe County, West Virginia | 0.25 | 2760 | Monroe | 63 | us-wv-063 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium |
| West Virginia | Morgan, West Virginia | Morgan County, West Virginia | 0.333333333 | 2761 | Morgan | 65 | us-wv-065 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| West Virginia | Nicholas, West Virginia | Nicholas County, West Virginia | 1 | 2762 | Nicholas | 67 | us-wv-067 | 7 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | |
| West Virginia | Ohio, West Virginia | Ohio County, West Virginia | 4.6 | 2763 | Ohio | 69 | us-wv-069 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 1 | 0 | 1,4-dioxane, chromium, chromium-6, molybdenum, strontium |
| West Virginia | Pendleton, West Virginia | Pendleton County, West Virginia | 0.714285714 | 2764 | Pendleton | 71 | us-wv-071 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | |
| West Virginia | Pocahontas, West Virginia | Pocahontas County, West Virginia | 2 | 2765 | Pocahontas | 75 | us-wv-075 | 12 | 0 | 3 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | |
| West Virginia | Preston, West Virginia | Preston County, West Virginia | 0.588235294 | 2766 | Preston | 77 | us-wv-077 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 4-androstene-3,17-dione |
| West Virginia | Raleigh, West Virginia | Raleigh County, West Virginia | 0.214285714 | 2767 | Raleigh | 81 | us-wv-081 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chlorate, chromium, chromium-6, manganese, strontium, vanadium |
| West Virginia | Randolph, West Virginia | Randolph County, West Virginia | 0.583333333 | 2768 | Randolph | 83 | us-wv-083 | 7 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |
| West Virginia | Ritchie, West Virginia | Ritchie County, West Virginia | 2.4 | 2769 | Ritchie | 85 | us-wv-085 | 12 | 0 | 4 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | |
| West Virginia | Roane, West Virginia | Roane County, West Virginia | 5.75 | 2770 | Roane | 87 | us-wv-087 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 1 | 0 | |
| West Virginia | Summers, West Virginia | Summers County, West Virginia | 1.5 | 2771 | Summers | 89 | us-wv-089 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| West Virginia | Taylor, West Virginia | Taylor County, West Virginia | 0.4 | 2772 | Taylor | 91 | us-wv-091 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chlorate, chromium, chromium-6, cobalt, germanium, manganese, strontium, vanadium |
| West Virginia | Tucker, West Virginia | Tucker County, West Virginia | 4.6 | 2773 | Tucker | 93 | us-wv-093 | 23 | 0 | 2 | 0 | 1 | 0 | 0 | 19 | 0 | 1 | 0 | |
| West Virginia | Tyler, West Virginia | Tyler County, West Virginia | 1.25 | 2774 | Tyler | 95 | us-wv-095 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | |
| West Virginia | Upshur, West Virginia | Upshur County, West Virginia | 0.142857143 | 2775 | Upshur | 97 | us-wv-097 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| West Virginia | Wayne, West Virginia | Wayne County, West Virginia | 1.625 | 2776 | Wayne | 99 | us-wv-099 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | |
| West Virginia | Wetzel, West Virginia | Wetzel County, West Virginia | 0.333333333 | 2777 | Wetzel | 103 | us-wv-103 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| West Virginia | Wood, West Virginia | Wood County, West Virginia | 1.125 | 2778 | Wood | 107 | us-wv-107 | 9 | 0 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 1,4-dioxane, chlorate, chromium, chromium-6, molybdenum, PFHpA, PFHxS, PFOA, strontium, vanadium |
| West Virginia | Wyoming, West Virginia | Wyoming County, West Virginia | 0.692307692 | 2779 | Wyoming | 109 | us-wv-109 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | chromium-6, manganese, strontium |
| Wyoming | Albany, Wyoming | Albany County, Wyoming | 1.727272727 | 2780 | Albany | 1 | us-wy-001 | 19 | 0 | 5 | 0 | 0 | 0 | 0 | 9 | 0 | 5 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wyoming | Big Horn, Wyoming | Big Horn County, Wyoming | 0.133333333 | 2781 | Big Horn | 3 | us-wy-003 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Wyoming | Campbell, Wyoming | Campbell County, Wyoming | 0.906976744 | 2782 | Campbell | 5 | us-wy-005 | 39 | 0 | 1 | 0 | 0 | 0 | 33 | 0 | 0 | 5 | 0 | chloromethane, chromium, chromium-6, manganese, molybdenum, strontium, vanadium |
| Wyoming | Carbon, Wyoming | Carbon County, Wyoming | 1.8 | 2783 | Carbon | 7 | us-wy-007 | 18 | 0 | 8 | 0 | 0 | 0 | 0 | 8 | 0 | 2 | 0 | chlorate, chromium-6, strontium |
| Wyoming | Converse, Wyoming | Converse County, Wyoming | 0.5 | 2784 | Converse | 9 | us-wy-009 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Wyoming | Crook, Wyoming | Crook County, Wyoming | 0.625 | 2785 | Crook | 11 | us-wy-011 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Wyoming | Fremont, Wyoming | Fremont County, Wyoming | 0.666666667 | 2786 | Fremont | 13 | us-wy-013 | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | chlorate, chromium-6, manganese, molybdenum, strontium, vanadium |
| Wyoming | Goshen, Wyoming | Goshen County, Wyoming | 0.8 | 2787 | Goshen | 15 | us-wy-015 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | |
| Wyoming | Hot Springs, Wyoming | Hot Springs County, Wyoming | 0.571428571 | 2788 | Hot Springs | 17 | us-wy-017 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | |
| Wyoming | Johnson, Wyoming | Johnson County, Wyoming | 0.5 | 2789 | Johnson | 19 | us-wy-019 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Wyoming | Laramie, Wyoming | Laramie County, Wyoming | 0.555555556 | 2790 | Laramie | 21 | us-wy-021 | 10 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | chlorate, chromium-6, strontium, vanadium |
| Wyoming | Lincoln, Wyoming | Lincoln County, Wyoming | 1.28 | 2791 | Lincoln | 23 | us-wy-023 | 32 | 0 | 5 | 0 | 0 | 0 | 0 | 2 | 0 | 25 | 0 | |
| Wyoming | Natrona, Wyoming | Natrona County, Wyoming | 0.592592593 | 2792 | Natrona | 25 | us-wy-025 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wyoming | Niobrara, Wyoming | Niobrara County, Wyoming | 15.66666667 | 2793 | Niobrara | 27 | us-wy-027 | 47 | 1 | 0 | 0 | 0 | 0 | 41 | 0 | 0 | 5 | 0 | |
| Wyoming | Park, Wyoming | Park County, Wyoming | 1.6 | 2794 | Park | 29 | us-wy-029 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 0 | |
| Wyoming | Platte, Wyoming | Platte County, Wyoming | 2.333333333 | 2795 | Platte | 31 | us-wy-031 | 14 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 12 | 0 | |
| Wyoming | Sheridan, Wyoming | Sheridan County, Wyoming | 0.333333333 | 2796 | Sheridan | 33 | us-wy-033 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | chlorate, chromium, chromium-6, strontium, vanadium |
| Wyoming | Sublette, Wyoming | Sublette County, Wyoming | 1.4 | 2797 | Sublette | 35 | us-wy-035 | 7 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | |
| Wyoming | Sweetwater, Wyoming | Sweetwater County, Wyoming | 0.76 | 2798 | Sweetwater | 37 | us-wy-037 | 19 | 0 | 2 | 0 | 0 | 0 | 0 | 10 | 0 | 7 | 0 | chlorate, chromium, chromium-6, molybdenum, strontium, vanadium |
| Wyoming | Teton, Wyoming | Teton County, Wyoming | 1.03030303 | 2799 | Teton | 39 | us-wy-039 | 34 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 30 | 0 | |
| Wyoming | Uinta, Wyoming | Uinta County, Wyoming | 0.5 | 2800 | Uinta | 41 | us-wy-041 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | chlorate, strontium, vanadium |
| Wyoming | Washakie, Wyoming | Washakie County, Wyoming | 0.4 | 2801 | Washakie | 43 | us-wy-043 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| Wyoming | Weston, Wyoming | Weston County, Wyoming | 0.7 | 2802 | Weston | 45 | us-wy-045 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | |
| Louisiana | La Salle Parish, Louisiana | LaSalle Parish, Louisiana | 2.357142857 | 2803 | La Salle Parish | 59 | us-la-059 | 33 | 0 | 4 | 0 | 0 | 0 | 0 | 21 | 0 | 8 | 0 |