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 |
|---|---|---|---|---|
| Cottonwood-Tselani NTUA | Ft Defiance, NN | 1,334 | 66 | - |
| Elroy Waterworks | Elroy, WI | 1,333 | 37 | - |
| Benton Municipal Water Auth | Benton, PA | 1,333 | 269 | - |
| Odot Rest Area 7-26/7-25 | Sidney, OH | 1,333 | 32 | - |
| Ashland | Ashland, IL | 1,333 | 127 | - |
| R.r. Donnelley- Rcpw | Harrisonburg, VA | 1,332 | 14 | - |
| Intervale/Clearwater Park | Covington, VA | 1,332 | 0 | - |
| Windsor Boro Water Auth | Windsor, PA | 1,332 | 45 | - |
| Melrose Water System | Melrose, NM | 1,332 | 98 | - |
| St Joseph Water System | St Joseph, LA | 1,332 | 381 | - |
| McKee Water Works | McKee, KY | 1,331 | 434 | - |
| Rossville | Rossville, IL | 1,331 | 120 | - |
| Archer County MUD 1 | Wichita Falls, TX | 1,330 | 14 | - |
| Winthrop | Winthrop, MN | 1,330 | 15 | - |
| Riverbridge | Brewster, MA | 1,330 | 3 | - |
| Veterans Administration | Alexandria, LA | 1,330 | 89 | - |
| Montello Waterworks | Montello, WI | 1,329 | 35 | - |
| Evergreen Shores | Tacoma, WA | 1,329 | 11 | - |
| Centerville WSC | TX | 1,329 | 378 | - |
| Freeman | Freeman, SD | 1,329 | 28 | - |
| Summerfield Water System | Summerfield, LA | 1,329 | 14 | - |
| Faircrest Water Association | El Dorado, AR | 1,329 | 58 | - |
| Providence Water Authority | Oakman, AL | 1,329 | 41 | - |
| Bi Zi Farms | Vancouver, WA | 1,328 | 4 | - |
| Red Lake Falls | Red Lake Falls, MN | 1,328 | 50 | - |
| City of Modesto - del Rio | Modesto, CA | 1,327 | 7 | - |
| Fredonia Town Of | Fredonia, AZ | 1,327 | 415 | - |
| New Cumberland, City Of | New Cumberland, WV | 1,326 | 184 | - |
| Pilot Rock, City Of | Pilot Rock, OR | 1,326 | 73 | - |
| Pemberville Village | Pemberville, OH | 1,326 | 101 | - |
| Canoncito | Canoncito, NN | 1,326 | 898 | - |
| Winston Pointe S/D | Charlotte, NC | 1,326 | 0 | - |
| Beulaville, Town Of | Beulaville, NC | 1,326 | 45 | - |
| Princeton, Town Of | Princeton, NC | 1,326 | 207 | - |
| Buchanan | Buchanan, GA | 1,326 | 19 | - |
| Lower Lake County Water District | Lower Lake, CA | 1,326 | 12 | - |
| Alpine Lake Public Utilities | Terra Alta, WV | 1,325 | 40 | - |
| Hillsboro Waterworks | Hillsboro, WI | 1,325 | 93 | - |
| Oakville City Of | Oakville, WA | 1,325 | 149 | - |
| Salem | Salem, SD | 1,325 | 87 | - |
| Nexxt Enterprises LLC | Warwick, NJ | 1,325 | 115 | - |
| Belmont Abbey College | Belmont, NC | 1,325 | 80 | - |
| Park One Water | Yorktown, IN | 1,325 | 71 | - |
| Lake Josephine Heights | New Port Richey, FL | 1,325 | 41 | - |
| Sparkman Waterworks | Sparkman, AR | 1,325 | 84 | - |
| Lakeview U.d. East | Rogersville, TN | 1,324 | 10 | - |
| Osborne, City Of | Osborne, KS | 1,324 | 48 | - |
| Redkey Water Plant | Redkey, IN | 1,323 | 1,081 | - |
| Warren | Warren, IL | 1,323 | 25 | - |
| City of Soperton Industrial Park | Soperton, GA | 1,323 | 19 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).