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 |
|---|---|---|---|---|
| Petersburg | Petersburg, IL | 4,725 | 18 | Clean |
| Charlotte Harbor Water Assn. | Punta Gorda, FL | 4,722 | 24 | Clean |
| City of Lake Worth | Lake Worth, TX | 4,720 | 3 | Detected |
| Wr/Lj - Mni Wiconi | Murdo, SD | 4,720 | 2 | Detected |
| Palmetto | Palmetto, GA | 4,718 | 36 | Detected |
| Eldorado | Eldorado, IL | 4,715 | 38 | Clean |
| Lebanon | Lebanon, IL | 4,714 | 46 | Clean |
| Fort Bend County MUD 129 | Sugar Land, TX | 4,713 | 8 | Detected |
| Beecher | Beecher, IL | 4,713 | 28 | Clean |
| Talladega County Water Department | Talladega, AL | 4,713 | 5 | Detected |
| N. Lexington-Fairfield-Raphine [Rcpsa] | Lexington, VA | 4,711 | 44 | - |
| West Bell County WSC | Killeen, TX | 4,710 | 26 | Detected |
| Medina Co/Southern Water Dist PWS | Columbia Station, OH | 4,708 | 2 | Clean |
| Harris County MUD 360 | Houston, TX | 4,707 | 0 | Clean |
| Freeburg | Freeburg, IL | 4,707 | 62 | Detected |
| Jackson Municipal Water Works | Jackson, KY | 4,704 | 364 | Clean |
| Nebo Water District | Nebo, KY | 4,702 | 79 | Detected |
| Fox River Grove | Fox River Grove, IL | 4,702 | 51 | Detected |
| Magnolia-The Meadows | Des Peres, LA | 4,701 | 21 | Clean |
| City of Palacios | Palacios, TX | 4,700 | 74 | Clean |
| Ridgway Borough Water System | Ridgway, PA | 4,700 | 98 | Clean |
| Leflore Co. RWD #2 | Pocola, OK | 4,700 | 232 | Detected |
| Fort Gibson | Fort Gibson, OK | 4,700 | 259 | Clean |
| Heritage Hills Water System | West Nyack, NY | 4,700 | 645 | Detected |
| Old Westbury (V) | Old Westbury, NY | 4,700 | 9 | Clean |
| Stennis Space Center | Stennis Space Center, MS | 4,700 | 274 | Clean |
| St Clair PWS | St Clair, MO | 4,700 | 84 | Detected |
| Johnson County PWSD 3 | Warrensburg, MO | 4,700 | 15 | Clean |
| Suburban Water Company | Basehor, KS | 4,700 | 56 | Clean |
| Mojave PUD | Mojave, CA | 4,699 | 83 | Clean |
| Suamico Waterworks | Suamico, WI | 4,697 | 25 | Clean |
| Pittsfield | Pittsfield, IL | 4,697 | 109 | Clean |
| Kochville Township | Saginaw, MI | 4,695 | 12 | Clean |
| B&b Water Project, Inc. | Bloomington, IN | 4,695 | 19 | Clean |
| Barnwell Town of (Sc0610001) | Barnwell, SC | 4,693 | 12 | Clean |
| Lake Placid, Town Of | Lake Placid, FL | 4,692 | 43 | Detected |
| Platte City PWS | Platte City, MO | 4,691 | 21 | Detected |
| Cal Trans - Gaviota Rsr | San Luis Obispo, CA | 4,690 | 6 | - |
| North East Public Water Auth | Mountain Home, AR | 4,690 | 8 | Clean |
| Town of Tunica | Tunica, MS | 4,689 | 804 | Clean |
| City of Caddo Mills | Caddo Mills, TX | 4,688 | 170 | - |
| Chinquapin Water Association | Chinquapin, NC | 4,686 | 149 | Clean |
| Buckatunna Water Association | Buckatunna, MS | 4,686 | 1,603 | Clean |
| Dupo | Dupo, IL | 4,684 | 8 | Detected |
| Tallapoosa | Tallapoosa, GA | 4,680 | 21 | Clean |
| Livingston Water Works | Livingston, AL | 4,680 | 9 | Clean |
| Roncador | Utuado, PR | 4,678 | 99 | Clean |
| Cobleskill Village | Cobleskill, NY | 4,678 | 43 | Clean |
| Aurora, City Of | Aurora, NE | 4,678 | 32 | Clean |
| Calhoun County RWD | Hardin, IL | 4,675 | 30 | Clean |