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 |
|---|---|---|---|---|
| Eol WSC | Axtell, TX | 2,195 | 615 | - |
| Pecatonica | Pecatonica, IL | 2,195 | 75 | - |
| Hughes Community Water Assoc | Hughes, AR | 2,195 | 5 | - |
| Orchard Lake Village | Waterford, MI | 2,194 | 4 | - |
| Cottonwood Municipal Water Vsf1 | Cottonwood, AZ | 2,194 | 85 | - |
| Mount Olive | Aviston, IL | 2,193 | 269 | Clean |
| Werbls | Eatonton, GA | 2,193 | 155 | - |
| Salem Veterans Affairs Medical Center | Salem, VA | 2,192 | 0 | - |
| City of Honey Grove | Honey Grove, TX | 2,192 | 8 | - |
| Harmony Grove Water Assoc | Camden, AR | 2,192 | 27 | - |
| Wellington Municipal Water System | Wellington, TX | 2,191 | 53 | - |
| Harris County Fwsd 27 | Baytown, TX | 2,190 | 51 | - |
| Nitsch & Son Utility | Cypress, TX | 2,190 | 15 | - |
| Tri-County Rural Water System | Eagle Butte, SD | 2,190 | 172 | Clean |
| Clifton Springs Village | Clifton Springs, NY | 2,190 | 3 | - |
| Van Buren Water District | Van Buren, ME | 2,190 | 17 | Clean |
| Pioneer Darnell Water System | Pioneer, LA | 2,190 | 21 | - |
| Town of Duson Water System | Duson, LA | 2,190 | 27 | - |
| Greenfield Water Dept | Greenfield, TN | 2,189 | 3 | - |
| Reno Water and Sewer 1 | Marietta, OH | 2,189 | 36 | - |
| Clatskanie, City Of | Clatskanie, OR | 2,188 | 21 | - |
| Grandview Utility District | Spring City, TN | 2,187 | 44 | - |
| Chester Public U.d. | Chester, CA | 2,187 | 13 | - |
| Hammond Psd | Wellsburg, WV | 2,186 | 298 | - |
| Harmony Water Association #1 | Quitman, MS | 2,186 | 434 | - |
| Lake City Waterworks | Lake City, AR | 2,186 | 39 | - |
| Red-Rochester Iws | Rochester, NY | 2,185 | 40 | - |
| Groveland Township Water District | Groveland, IL | 2,185 | 4 | - |
| Southwater Inc | Tamms, IL | 2,185 | 0 | - |
| Ryegrass Eb/Wb Rest Area | Cle Elum, WA | 2,184 | 25 | - |
| Walker County Sud D | Huntsville, TX | 2,184 | 5 | - |
| Hilltown Addition | Cypress, TX | 2,184 | 173 | - |
| Central Ca Womens Facility | Chowchilla, CA | 2,183 | 0 | - |
| Baraga | Baraga, MI | 2,182 | 18 | - |
| Knightstown Water Utility | Knightstown, IN | 2,182 | 17 | - |
| Butler Waterworks | Butler, WI | 2,181 | 61 | - |
| Piketon Village PWS | Piketon, OH | 2,181 | 799 | - |
| Nacimiento Water Company | Bradley, CA | 2,181 | 103 | - |
| Morro Rock Mutual Water Co | Cayucos, CA | 2,181 | 1 | - |
| Arkoma | Arkoma, OK | 2,180 | 93 | - |
| Hughes Co. RWD #6 (Gerty) | Allen, OK | 2,180 | 15 | - |
| Howard Lake | Howard Lake, MN | 2,180 | 43 | - |
| Huntington Water Dept | Huntington, MA | 2,180 | 36 | - |
| Wanblee East | Pine Ridge, 08 | 2,179 | 8 | - |
| Village of Palmetto Water System | Palmetto, LA | 2,178 | 199 | - |
| Bella Vista Water South | Sierra Vista, AZ | 2,178 | 425 | - |
| East High School Magnolia Isd | Magnolia, TX | 2,177 | 17 | - |
| Borough of Conway | Conway, PA | 2,176 | 159 | - |
| VA Medical Center | Martinsburg, WV | 2,175 | 182 | - |
| Star Mountain WSC | Winona, TX | 2,175 | 50 | - |