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 |
|---|---|---|---|---|
| Brazoria County MUD 2 | Houston, TX | 3,567 | 129 | Clean |
| Gum Springs WSC 1 | Hallsville, TX | 3,564 | 35 | - |
| Bear Mountain Water Supply | Bear Mountain, NY | 3,564 | 216 | - |
| Bandy Canyon Ranch Corp | Escondido, CA | 3,564 | 0 | - |
| Aqua Ohio - Lake Darby | Westerville, OH | 3,562 | 4 | Clean |
| Lovelock Meadows Water District | Lovelock, NV | 3,562 | 191 | Clean |
| Harrington Water Department | Harrington, DE | 3,562 | 43 | - |
| Oglala RWS Pipeline | Pine Ridge, 08 | 3,562 | 53 | Clean |
| Cumberland Heights U.d. | Clarksville, TN | 3,561 | 44 | Clean |
| Hope Valley Cg | Sparks, CA | 3,560 | 2 | - |
| Pugnado | Vega Baja, PR | 3,556 | 156 | Detected |
| Broadway Water Association | N Wilkesboro, NC | 3,556 | 164 | Clean |
| Stringer Water Works | Stringer, MS | 3,556 | 476 | Clean |
| Lyons, City Of | Lyons, KS | 3,556 | 89 | Clean |
| Ketchum City Of | Ketchum, ID | 3,555 | 10 | Clean |
| Jackson Valley Irrigation District | Ione, CA | 3,553 | 66 | Clean |
| City of Coahoma | Coahoma, TX | 3,552 | 366 | Detected |
| Wallace Water Company (Sc3420002) | Wallace, SC | 3,552 | 34 | - |
| Wawa #8308 | Wawa, NJ | 3,552 | 148 | Clean |
| M Resort Spa and Casino | Las Vegas, NV | 3,550 | 80 | Clean |
| West Point, City Of | West Point, NE | 3,550 | 23 | Clean |
| St Charles Co PWSD #2 Wright City | O Fallon, MO | 3,550 | 83 | Clean |
| Waldron Waterworks | Waldron, AR | 3,550 | 197 | Clean |
| Big River Development | Parker, 09 | 3,550 | 264 | - |
| Uriah Heeps Spring Water System | Ft. Duchesne, 08 | 3,550 | 503 | Clean |
| Santo Sud | Santo, TX | 3,546 | 38 | - |
| East Quitman W/A | Quitman, MS | 3,546 | 739 | Clean |
| Hawaiian Beaches | Pahoa, HI | 3,546 | 19 | Clean |
| Winco Utilities W/S | Jacksonville, FL | 3,545 | 3 | Clean |
| Milbank | Milbank, SD | 3,544 | 6 | - |
| Friday Harbor Town Of | Friday Harbor, WA | 3,543 | 56 | Clean |
| Harris County MUD 149 | Houston, TX | 3,543 | 6 | Detected |
| Holly Lake Ranch | Tyler, TX | 3,540 | 38 | Clean |
| Oxford, Village Of | Oxford, MI | 3,540 | 15 | Clean |
| Bloomfield Hills | Waterford, MI | 3,540 | 0 | Clean |
| Lena Water System Inc | Lena, LA | 3,540 | 27 | Clean |
| East Fork U.d. | Monterey, TN | 3,538 | 17 | - |
| Dyersburg Suburban C.u.d. | Dyersburg, TN | 3,538 | 31 | Clean |
| NW Arkansas Regional Airport | Rogers, AR | 3,538 | 38 | - |
| Bonne Terre PWS | Bonne Terre, MO | 3,537 | 521 | Clean |
| Greater Harrison Psd Lost Creek Mt Clare | West Milford, WV | 3,536 | 165 | Detected |
| Fripp Island Psd (Sc0720002) | Fripp Island, SC | 3,536 | 8 | Detected |
| Silt Town Of | Silt, CO | 3,536 | 209 | - |
| Logan Water Board City Of | Logan, WV | 3,535 | 498 | Clean |
| Poetry WSC | Terrell, TX | 3,534 | 15 | - |
| Connestee Falls | Charlotte, NC | 3,532 | 533 | Clean |
| Walnut Bayou Water Association | Tallulah, LA | 3,531 | 84 | - |
| Stokes Regional Water Corp | Stokes, NC | 3,530 | 274 | Detected |
| Hampton Utility District | Hampton, TN | 3,529 | 49 | Clean |
| Sandy Hook Water District | Sandy Hook, KY | 3,528 | 41 | Clean |