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 |
|---|---|---|---|---|
| Walcott Waterworks | Walcott, IA | 1,551 | 30 | - |
| Nashua Water Supply | Nashua, IA | 1,551 | 146 | - |
| Federal Correctional Institution | Oxford, WI | 1,550 | 90 | - |
| Quad Graphics | Lomira, WI | 1,550 | 14 | - |
| Fairfax Water Dept | East Fairfield, VT | 1,550 | 44 | - |
| Naval Air Station Kingsville | Kingsville, TX | 1,550 | 82 | Clean |
| Bentsen Grove Resort | Troy, TX | 1,550 | 67 | - |
| Pheasant Run Association PWS | Lagrange, OH | 1,550 | 58 | - |
| Bainbridge Village | Bainbridge, NY | 1,550 | 18 | - |
| Dexter Municipal Water System | Dexter, NM | 1,550 | 33 | - |
| Acme Shopping Plaza | Blairstown, NJ | 1,550 | 30 | - |
| Princeville, Town Of | Tarboro, NC | 1,550 | 119 | - |
| East Spencer, Town Of | Salisbury, NC | 1,550 | 99 | - |
| Sabattus Sanitary District | Sabattus, ME | 1,550 | 24 | - |
| Castaways Campground | Berlin, MD | 1,550 | 3 | - |
| Labette Co RWD 6 | Edna, KS | 1,550 | 57 | - |
| Clearwater Paper Corporation | Lewiston, ID | 1,550 | 1 | - |
| Lucky Eagle Casino | Oakville, 10 | 1,550 | 143 | - |
| Sharon Waterworks | Sharon, WI | 1,549 | 327 | - |
| Okemo Mountain Inc | Weston, VT | 1,549 | 25 | - |
| City of Timpson | Timpson, TX | 1,549 | 289 | - |
| Damascus Stryker WSC | Corrigan, TX | 1,549 | 14 | - |
| South Carroll Utility District | Clarksburg, TN | 1,549 | 40 | - |
| Royal Farms #103 - Parksley | Dagsboro, VA | 1,548 | 0 | - |
| Toms Brook-Maurertown Sanitary District | Woodstock, VA | 1,548 | 7 | - |
| Childs Lake Estates Mhc | Milford, MI | 1,548 | 203 | - |
| Diversion Water- Water Front West | Prairieville, LA | 1,548 | 36 | - |
| Slater Muni Water Dept | Slater, IA | 1,548 | 40 | - |
| Love`s Travel Center | Cheyenne, WY | 1,545 | 5 | - |
| Pole Road Water Association | Lynden, WA | 1,545 | 116 | - |
| Wilderness Camping Resorts | Spotsylvania, VA | 1,545 | 58 | - |
| North Forest MUD | Houston, TX | 1,545 | 29 | - |
| Topaz Ranch Estates Gid and Water Co | Wellington, NV | 1,545 | 319 | - |
| Belle PWS | Belle, MO | 1,545 | 59 | - |
| Montezuma Muni Water Supply | Montezuma, IA | 1,545 | 18 | - |
| Tombstone City Of | Tombstone, AZ | 1,545 | 744 | - |
| Millerville Water & Fire Pro Authority | Millerville, AL | 1,545 | 101 | - |
| Kettle Moraine Correctional Institution | Madison, WI | 1,544 | 6 | - |
| Harbourd Hills / Zone D | Poughkeepsie, NY | 1,544 | 5 | - |
| East Oxford Water Association | Oxford, MS | 1,544 | 594 | - |
| Ethel Rural Water Association | Ethel, MS | 1,544 | 827 | - |
| Quincy | Quincy, MI | 1,544 | 18 | - |
| Fci-Marion | Marion, IL | 1,544 | 57 | - |
| Hartland Meadows | Novi, MI | 1,543 | 0 | - |
| Morning Star Public Water Authority | Marshall, AR | 1,543 | 206 | - |
| Kalida Village | Kalida, OH | 1,542 | 44 | - |
| Bridgeville Pump District | Dover, DE | 1,542 | 5 | - |
| Scranton Waterworks | Scranton, AR | 1,542 | 44 | - |
| Otterbein-Lebanon Retreat Center | Lebanon, OH | 1,541 | 113 | - |
| Naval Base Kitsap at Keyport | Silverdale, WA | 1,540 | 23 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).