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 |
|---|---|---|---|---|
| Green Mountain Park | Lenoir, NC | 1,194 | 736 | - |
| Harbor Springs, City Of | Harbor Springs, MI | 1,194 | 22 | - |
| Waverly | Waverly, IL | 1,194 | 174 | - |
| Hazel Green Waterworks | Hazel Green, WI | 1,193 | 52 | - |
| Riverside-North Garland Water Co | Fielding, UT | 1,193 | 230 | - |
| Mansfield PWS | Mansfield, MO | 1,193 | 24 | - |
| Toulon | Toulon, IL | 1,193 | 428 | - |
| IL American-Glasford | Godfrey, IL | 1,193 | 602 | - |
| St Charles County PWSD 2 Warren | O Fallon, MO | 1,192 | 17 | - |
| Leadwood PWS | Leadwood, MO | 1,192 | 269 | - |
| The Oaks WSC | San Antonio, TX | 1,191 | 1 | - |
| Blue Cane, Cowart & Tippo W/A. | Charleston, MS | 1,191 | 728 | - |
| Clay County PWSD 5 | Liberty, MO | 1,191 | 9 | - |
| Tripoli Water Supply | Tripoli, IA | 1,191 | 11 | - |
| Savannah-Dutch Island | Port Wentworth, GA | 1,191 | 18 | - |
| Fore Acres | Belleview, FL | 1,191 | 38 | - |
| Warm Beach Conference Grounds | Mount Vernon, WA | 1,190 | 46 | - |
| Apple Creek Village PWS | Lakeville, OH | 1,190 | 98 | - |
| Tsaile-Dine College NTUA | Ft Defiance, NN | 1,190 | 124 | - |
| Colon | Colon, MI | 1,190 | 68 | - |
| Chesapeake Heights (Bayside Forest) | Prince Frederick, MD | 1,190 | 14 | - |
| Camp Point | Camp Point, IL | 1,190 | 45 | - |
| Louisa-Muscatine Community School | Letts, IA | 1,190 | 166 | - |
| Holiday Hills Village | Wheat Ridge, CO | 1,190 | 1 | - |
| Town of Ransom Canyon | Ransom Canyon, TX | 1,189 | 18 | - |
| City of Blue Ridge | Blue Ridge, TX | 1,189 | 44 | - |
| Somers High School | Somers, NY | 1,189 | 2 | - |
| Country West | Porter, TX | 1,188 | 27 | - |
| Little Valley Village | Little Valley, NY | 1,188 | 343 | - |
| Southeast Noxapater Water Assn | Noxapater, MS | 1,188 | 267 | - |
| Tiplersville Water Association | Tiplersville, MS | 1,188 | 526 | - |
| Poplar Springs Water District | Brandon, MS | 1,188 | 294 | - |
| McNair-Stampley W/a #2 | Fayette, MS | 1,188 | 314 | - |
| Town of Goodman | Goodman, MS | 1,188 | 572 | - |
| Thornton Farms | Milford, MI | 1,188 | 17 | - |
| Dowell | Dowell, IL | 1,188 | 18 | - |
| Hayden Pines Grouse Meadows | Rathdrum, ID | 1,188 | 9 | - |
| Homer | Homer, GA | 1,188 | 82 | - |
| Omaha Waterworks | Omaha, AR | 1,188 | 125 | - |
| Heppner, City Of | Heppner, OR | 1,187 | 92 | - |
| Goldston-Gulf Sanitary Dist | Goldston, NC | 1,187 | 593 | - |
| Harford Technical High School | Bel Air, MD | 1,187 | 30 | - |
| Henry E. Lackey High School | La Plata, MD | 1,187 | 2 | - |
| Lyon-Sioux RWS-Rock Rapids | Rock Rapids, IA | 1,187 | 17 | - |
| Limoneira Ranch #1 | Santa Paula, CA | 1,187 | 6 | - |
| Pine Bluffs, Town Of | Fort Collins, WY | 1,186 | 391 | - |
| Ash Flat Water Company | Ash Flat, AR | 1,186 | 4 | - |
| Lake Conroe Forest Subdivision | Austin, TX | 1,185 | 49 | - |
| Harris County MUD 255 | Houston, TX | 1,185 | 48 | - |
| Cattaraugus Village | Cattaraugus, NY | 1,185 | 72 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).