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 |
|---|---|---|---|---|
| New Kent Courthouse | New Kent, VA | 3,187 | 13 | - |
| City of Bishop | Bishop, TX | 3,186 | 56 | Detected |
| Westwood North WSC | Magnolia, TX | 3,186 | 11 | - |
| Central W/A-House | Philadelphia, MS | 3,186 | 268 | - |
| Darbonne WS North | Bernice, LA | 3,186 | 273 | - |
| Bent Tree | Jasper, GA | 3,185 | 21 | - |
| Ladysmith Waterworks | Ladysmith, WI | 3,184 | 112 | - |
| Hatfield Water Dept | Hatfield, MA | 3,183 | 71 | Detected |
| Roaring Spring Muni Water Auth | Roaring Spring, PA | 3,182 | 89 | - |
| Tomahawk Waterworks | Tomahawk, WI | 3,180 | 29 | Detected |
| Algona Water Dept | Algona, WA | 3,180 | 13 | - |
| Fairport Harbor Village PWS | Fairport Harbor, OH | 3,180 | 207 | - |
| West Fork Waterworks | West Fork, AR | 3,178 | 10 | - |
| Tyrrell County Water | Columbia, NC | 3,177 | 262 | - |
| Mesa Verde National Park | Mesa Verde, CO | 3,177 | 36 | - |
| Esasd North Campus | East Stroudsburg, PA | 3,175 | 54 | - |
| Bladenboro, Town Of | Bladenboro, NC | 3,175 | 69 | - |
| North Kaufman WSC | Kaufman, TX | 3,174 | 43 | - |
| Ware Shoals Town of (Sc2410003) | Ware Shoals, SC | 3,174 | 1 | Detected |
| Blue Earth Light and Water | Blue Earth, MN | 3,174 | 6 | Clean |
| Twanoh State Park | Belfair, WA | 3,173 | 32 | - |
| Oakboro, Town Of | Oakboro, NC | 3,173 | 443 | - |
| Valley State Prison | Chowchilla, CA | 3,173 | 68 | - |
| Spearman Municipal Water System | Spearman, TX | 3,172 | 109 | Clean |
| McDonald Village PWS | McDonald, OH | 3,172 | 25 | Detected |
| Zumbrota | Zumbrota, MN | 3,172 | 14 | - |
| Madera Co Md10a-Madera Ranchos | Madera, CA | 3,172 | 12 | - |
| Lake Forest Park Water District | Lake Forest Park, WA | 3,171 | 9,527 | Clean |
| North Bay Water System | Freeport, FL | 3,171 | 23 | - |
| Broadkiln Beach Water Company (Tui) | Dover, DE | 3,171 | 28 | - |
| City of Nocona | Nocona, TX | 3,170 | 40 | - |
| City of Venus | Venus, TX | 3,170 | 141 | Detected |
| Harris County MUD 23 | Houston, TX | 3,170 | 37 | Detected |
| Cayuga Heights Village | Ithaca, NY | 3,170 | 0 | - |
| Kawkawlin Township | Bay City, MI | 3,170 | 6 | - |
| Rawls Springs Utility District | Hattiesburg, MS | 3,168 | 1,078 | - |
| Lac Du Flambeau | Lac Du Flambeau, 05 | 3,168 | 17 | Detected |
| Obetz Village PWS | Obetz, OH | 3,167 | 24 | - |
| La Grange Water System | Lagrange, NC | 3,167 | 72 | - |
| Coudersport Boro Authority | Coudersport, PA | 3,166 | 1,207 | Clean |
| Nueces WSC | Kingsville, TX | 3,165 | 82 | - |
| City of Lucedale | Lucedale, MS | 3,164 | 548 | - |
| New Creek Water Association | New Creek, WV | 3,163 | 60 | - |
| Marshville, Town Of | Marshville, NC | 3,163 | 186 | - |
| Bellwood Boro Auth | Bellwood, PA | 3,162 | 103 | - |
| Cwsc Oak Hills | San Jose, CA | 3,161 | 9 | Clean |
| Martinsburg Muni Auth | Martinsburg, PA | 3,160 | 59 | - |
| New Castle Correctional Facility | Indianapolis, IN | 3,160 | 55 | - |
| SCUA Bylas | San Carlos, 09 | 3,160 | 516 | - |
| Carbon Hill Utilities Board | Carbon Hill, AL | 3,159 | 44 | - |