Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Carmel WD 3 | Mahopac, NY | 1,350 | 20 | - |
| Nys-Sacandaga Campsite | Northville, NY | 1,350 | 23 | - |
| Elephant Butte, City Of | Elephant Butte, NM | 1,350 | 49 | - |
| St Bonaventure Mission | Thoreau, NM | 1,350 | 9 | - |
| Kennard, Village Of | Kennard, NE | 1,350 | 102 | - |
| Arlington, Village Of | Arlington, NE | 1,350 | 10 | Clean |
| Grace Bible Church | Bozeman, MT | 1,350 | 27 | - |
| El Mar Estates Msla Co Water | Missoula, MT | 1,350 | 64 | - |
| Linn Livingston County PWSD 3 | Wheeling, MO | 1,350 | 36 | - |
| Cass County Water System | Dowagiac, MI | 1,350 | 33 | - |
| Holly Ridge Lodge Water System | Grand Junction, LA | 1,350 | 0 | - |
| Martin Water System | Coushatta, LA | 1,350 | 120 | - |
| Aqua Indiana Water Company | Indianapolis, IN | 1,350 | 6 | - |
| Heritage School K-12 | New Haven, IN | 1,350 | 0 | - |
| Inl Mfc | Idaho Falls, ID | 1,350 | 28 | - |
| Hauser Lake Water Assn Inc | Hauser, ID | 1,350 | 47 | - |
| Great Waters at Reynolds Plantation | Eatonton, GA | 1,350 | 57 | - |
| Gibson | Gibson, GA | 1,350 | 139 | - |
| Wildwood Water Association | El Dorado, AR | 1,350 | 19 | - |
| Louisville Water Works | Louisville, AL | 1,350 | 152 | - |
| Colville Fuels Noisy Waters | Kettle Falls, 10 | 1,350 | 7 | - |
| Oasis Mobile Home Park | Thermal, 09 | 1,350 | 564 | - |
| Match-E-Be-Nash-She-Wish | Shelbyville, 05 | 1,350 | 67 | - |
| Miller | Miller, SD | 1,349 | 22 | - |
| Lynnville Water Dept | Lynnville, TN | 1,348 | 31 | - |
| Midland Charter Township | Midland, MI | 1,348 | 4 | - |
| Crownsville Hospital Center | Millersville, MD | 1,348 | 8 | - |
| Toluca | Toluca, IL | 1,348 | 79 | - |
| Aquarion-Marlborough | Shelton, CT | 1,348 | 633 | - |
| Aptos High School | Watsonville, CA | 1,348 | 14 | - |
| Bovay Scout Ranch | Houston, TX | 1,347 | 55 | - |
| Mountain Lakes Addition | Austin, TX | 1,347 | 9 | - |
| Southwood Estates | Cypress, TX | 1,347 | 62 | Clean |
| South Main Centre Ltd | Bloomfield Hills, OH | 1,347 | 87 | - |
| Menahga | Menahga, MN | 1,347 | 10 | - |
| Bellevue Water System | Doyline, LA | 1,347 | 84 | - |
| Tunnelton Town Of | Tunnelton, WV | 1,346 | 82 | - |
| Larimore City Of | Larimore, ND | 1,346 | 3 | Clean |
| North Harford High School | Bel Air, MD | 1,346 | 15 | - |
| Woodward Water Supply | Woodward, IA | 1,346 | 52 | - |
| Wolf Creek Water and Sewer ID | Eden, UT | 1,345 | 358 | - |
| Enfield Water Dept | Enfield, NH | 1,345 | 55 | - |
| Goose Creek Rest Area MNDOT | St. Paul, MN | 1,345 | 25 | - |
| Ray City | Ray City, GA | 1,345 | 82 | - |
| Dogwood Water Association | Blytheville, AR | 1,345 | 12 | - |
| Winkler WSC | Streetman, TX | 1,344 | 303 | Detected |
| Montgomery County MUD 152A | Houston, TX | 1,344 | 0 | - |
| San Antonio Mdwca | San Antonio, NM | 1,344 | 47 | - |
| Grand Marais | Grand Marais, MN | 1,344 | 18 | - |
| Zone 2 Water System Inc. | Colfax, LA | 1,344 | 63 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).