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 |
|---|---|---|---|---|
| Rolla City Of | Rolla, ND | 1,280 | 20 | - |
| Rose Hill Water Association | Rose Hill, MS | 1,280 | 522 | - |
| Del Oro River Island Serv Terr #1 | Chico, CA | 1,280 | 147 | - |
| Sundance, City Of | Sundance, WY | 1,279 | 17 | - |
| North Bend, City Of | North Bend, NE | 1,279 | 21 | - |
| Town of Como | Como, MS | 1,279 | 579 | - |
| Rush Springs | Rush Springs, OK | 1,278 | 203 | - |
| Roseboro, Town Of | Clinton, NC | 1,278 | 52 | - |
| Town of Burnsville | Burnsville, MS | 1,278 | 273 | - |
| Sashabaw Meadows MHP | Orem, MI | 1,278 | 49 | - |
| Magnolia-Le Triomphe Subdivision | Des Peres, LA | 1,278 | 47 | - |
| IL American-Washington Estates | Godfrey, IL | 1,278 | 121 | - |
| Toledo | Toledo, IL | 1,278 | 15 | - |
| Horatio Waterworks | Horatio, AR | 1,278 | 145 | - |
| New London | New London, MN | 1,277 | 35 | - |
| Stratford PUD | Hanford, CA | 1,277 | 21 | - |
| Rye Valley Water Authority | Sugar Grove, VA | 1,276 | 294 | - |
| Bald Eagle State Park | Howard, PA | 1,276 | 55 | - |
| Oljato NTUA | Ft Defiance, NN | 1,276 | 49 | - |
| Chilchinbeto NTUA | Ft Defiance, NN | 1,276 | 50 | - |
| Harding Woods MHP | Pittsgrove, NJ | 1,276 | 182 | - |
| Rochester High School | Rochester, WA | 1,275 | 42 | - |
| Fountain Green | Fountain Green, UT | 1,275 | 123 | - |
| Concho Rural Water Pecan Creek | San Angelo, TX | 1,275 | 63 | - |
| West Holmes High School | Millersburg, OH | 1,275 | 180 | - |
| Southeast Wud (West) | Fullerton, ND | 1,275 | 0 | - |
| VA Medical Center Helena | Fort Harrison, MT | 1,275 | 39 | - |
| Lily Rose W/a #2 | Prentiss, MS | 1,275 | 559 | - |
| Robinwood Forest Utility Inc | Des Peres, MS | 1,275 | 524 | - |
| MO American Emerald Pointe Subd | Joplin, MO | 1,275 | 46 | - |
| Lake Bruin Water District #1 | Harrisonburg, LA | 1,275 | 71 | - |
| Beekman Water System | Gilbert, LA | 1,275 | 278 | - |
| Sedgwick Co RWD 1 | Kechi, KS | 1,275 | 15 | - |
| Petrolia Pwd | Bridgeport, IL | 1,275 | 36 | - |
| Green Valley Cwd | Green Valley, CA | 1,275 | 6 | - |
| Bowman Town of (Sc3810004) | Bowman, SC | 1,274 | 41 | - |
| Twin Forks Mdwca | Mayhill, NM | 1,274 | 335 | - |
| Yutan, City Of | Yutan, NE | 1,274 | 31 | - |
| New Market Rest Area MNDOT | St. Paul, MN | 1,274 | 26 | - |
| Countryside Care Center | Fresno, CA | 1,274 | 21 | - |
| Fordyce Rural Water Assoc | Fordyce, AR | 1,274 | 4 | - |
| Walla Walla University | Walla Walla, WA | 1,273 | 34 | - |
| Carlyon Beach Homeowners | Olympia, WA | 1,273 | 29 | - |
| Harper, City Of | Harper, KS | 1,273 | 40 | - |
| Fort McCoy Middle School | Ocala, FL | 1,273 | 41 | - |
| La Union Mds & WA | Anthony, NM | 1,272 | 162 | Clean |
| Big Black W/A-Camden | Canton, MS | 1,272 | 619 | - |
| St Elmo | St Elmo, IL | 1,272 | 105 | - |
| Hosford, Town of Water System | Quincy, FL | 1,272 | 16 | - |
| Baltic | Baltic, SD | 1,271 | 66 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).