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 |
|---|---|---|---|---|
| The Commons Water Supply | Austin, TX | 3,018 | 22 | - |
| Solon Water Dept | Solon, IA | 3,018 | 30 | - |
| Vienna | Vienna, GA | 3,018 | 28 | Clean |
| Bcwsa New Hope | Warrington, PA | 3,017 | 995 | - |
| Country Lakes | California, MD | 3,016 | 8 | - |
| Carson | Carson, WA | 3,015 | 594 | - |
| City of Palmer | Palmer, TX | 3,015 | 114 | - |
| Olathe Town Of | Olathe, CO | 3,015 | 19 | - |
| Grange-Calamine Water Assoc | Cave City, AR | 3,015 | 36 | - |
| New Holstein Waterworks | New Holstein, WI | 3,012 | 52 | - |
| B C Y WSC | Tennessee Colony, TX | 3,012 | 21 | - |
| Jacksonville, City Of | Jacksonville, OR | 3,012 | 9 | - |
| Petite Pantry | Bishop, CA | 3,012 | 35 | - |
| Bois D Arc MUD | Honey Grove, TX | 3,011 | 48 | Clean |
| Jordanelle State Park | Vernal, UT | 3,010 | 37 | - |
| Walton Village | Walton, NY | 3,010 | 97 | - |
| Fayson Lakes Water Company Inc | Kinnelon, NJ | 3,010 | 152 | - |
| Turkey Run State Park | Marshall, IN | 3,010 | 309 | - |
| Western School Corporation | Russiaville, IN | 3,010 | 106 | - |
| Woodside Sports Complex | Mauston, WI | 3,008 | 8 | - |
| Clark County Green Meadows 2 PWS | Springfield, OH | 3,008 | 5 | Clean |
| Woodbury Heights W Utili | Woodbury Heights, NJ | 3,008 | 105 | - |
| Eldora Speedway Main Concessions PWS | New Weston, OH | 3,007 | 8 | - |
| Source Giant Springs Inc | Great Falls, MT | 3,007 | 18 | - |
| WI DOT Rest Area 22 Turtle | Madison, WI | 3,005 | 34 | - |
| Powhatan Courthouse | Rockville, VA | 3,005 | 10 | - |
| Southwest Texas Methodist Hospital | San Antonio, TX | 3,005 | 130 | - |
| Dry Prairie Rural Water Authority | Culbertson, MT | 3,005 | 49 | - |
| Commonwealth Utilities Corp (Tinian) | Saipan, MP | 3,005 | 17 | - |
| Chatfield | Chatfield, MN | 3,005 | 16 | - |
| WI DOT Rest Area 13 Aztalan | Madison, WI | 3,004 | 72 | - |
| Harris County MUD 147 | Houston, TX | 3,003 | 2 | - |
| Moselle Water Association | Moselle, MS | 3,002 | 535 | - |
| Nicholson Water Association | Picayune, MS | 3,001 | 620 | - |
| Avi Casino | Needles, 09 | 3,001 | 317 | - |
| White Mountain W&S District | Rock Springs, WY | 3,000 | 0 | - |
| Richford Water System | Richford, VT | 3,000 | 317 | - |
| Mount Vernon | Mount Vernon, VA | 3,000 | 48 | - |
| Dam Neck - U.S. Navy | Virginia Beach, VA | 3,000 | 34 | - |
| Summit Vista Water Company | Taylorsville, UT | 3,000 | 14 | - |
| Parowan City Water System | Parowan, UT | 3,000 | 645 | - |
| Royal Isd | Pattison, TX | 3,000 | 0 | - |
| City of Prairie View | Prairie View, TX | 3,000 | 46 | - |
| El Tanque WSC | Rio Grande City, TX | 3,000 | 54 | - |
| City of Cactus | Cactus, TX | 3,000 | 49 | Clean |
| South Cleveland WSC | Cleveland, TX | 3,000 | 29 | - |
| Northwest Harris County MUD 29 | Houston, TX | 3,000 | 29 | - |
| Harris County Facility & Property Mgmt | Houston, TX | 3,000 | 735 | - |
| Harris County Wcid 91 | Houston, TX | 3,000 | 7 | - |
| Needville Isd | Needville, TX | 3,000 | 11 | - |