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 |
|---|---|---|---|---|
| Buena Vista Bethel Sud | Waxahachie, TX | 8,218 | 12 | Clean |
| Greenhill Water & Fire Pro Authority | Florence, AL | 8,214 | 22 | Detected |
| Farmville, Town Of | Farmville, VA | 8,212 | 7 | Clean |
| Narragansett Water System-Point Judith | Narragansett, RI | 8,210 | 115 | Clean |
| Southern Outer Banks Wtr Syst | Corolla, NC | 8,209 | 311 | Detected |
| Warrenton PWS | Warrenton, MO | 8,208 | 96 | Clean |
| West Harris County MUD 11 | Houston, TX | 8,205 | 10 | Clean |
| Farmdale Water District | Frankfort, KY | 8,203 | 153 | Detected |
| Upmc Presbyterian | Pittsburgh, PA | 8,200 | 47 | Clean |
| PA American Audubon | Norristown, PA | 8,200 | 5,456 | Detected |
| Salem Water Works | Salem, IN | 8,200 | 652 | Clean |
| Hill Water Corporation | Mooresville, IN | 8,200 | 12 | Clean |
| Franklin County Water Association | Brookville, IN | 8,200 | 14 | Clean |
| Hillside | Hillside, IL | 8,200 | 24 | Clean |
| Nevada PWS | Nevada, MO | 8,198 | 40 | Clean |
| Faulkey Gully MUD | Cypress, TX | 8,193 | 9 | Detected |
| Mukwonago Waterworks | Mukwonago, WI | 8,190 | 284 | Clean |
| Lavonia | Lavonia,, GA | 8,190 | 32 | Clean |
| Ludington | Ludington, MI | 8,184 | 0 | Clean |
| Borough of Clayton | Clayton, NJ | 8,179 | 317 | Detected |
| Steamboat Mountain WSC | Tuscola, TX | 8,178 | 85 | Detected |
| Paris las Vegas Hotel and Casino | Las Vegas, NV | 8,178 | 19 | - |
| Heard County Water Authority | Franklin, GA | 8,172 | 60 | Clean |
| City of Liberty | Liberty, TX | 8,170 | 44 | Clean |
| Pewaukee Village Waterworks | Pewaukee, WI | 8,166 | 175 | Clean |
| Sheboygan Falls Utilities | Sheboygan Falls, WI | 8,165 | 28 | Clean |
| Hillsdale | Hillsdale, MI | 8,163 | 23 | Clean |
| Bissonnet MUD | Houston, TX | 8,160 | 1 | Clean |
| Gilbertown, Utilities Board of Town Of | Gilbertown, AL | 8,157 | 41 | Detected |
| Bexar County Wcid 10 Windcrest | Windcrest, TX | 8,154 | 10 | Clean |
| Johnstown (C) Water Works | Johnstown, NY | 8,154 | 47 | Clean |
| Aqua PA Spring Run | Bryn Mawr, PA | 8,151 | 395 | Detected |
| Muskego Water Utility | Muskego, WI | 8,150 | 108 | Clean |
| Eastover Sanitary District | Eastover, NC | 8,150 | 20 | Detected |
| Mulberry-Fairplains Wtr Assoc | N Wilkesboro, NC | 8,150 | 15 | Clean |
| Imperial Valley College | Imperial, CA | 8,150 | 33 | Clean |
| Tdcj Beto Unit | Huntsville, TX | 8,148 | 33 | Clean |
| College Place Water Dept | College Place, WA | 8,147 | 127 | Clean |
| City of Fort Stockton | Fort Stockton, TX | 8,142 | 30 | Clean |
| City of Kirby | Kirby, TX | 8,142 | 14 | Clean |
| Carl Junction PWS | Carl Junction, MO | 8,142 | 36 | Clean |
| Fayette Water Works Board | Fayette, AL | 8,142 | 2 | Clean |
| Claywood Park Psd | Mineral Wells, WV | 8,141 | 414 | Detected |
| Inverness WSD | Englewood, CO | 8,140 | 154 | Detected |
| Aloha Gardens Utilities | Longwood, FL | 8,136 | 138 | Detected |
| Mahtomedi | Mahtomedi, MN | 8,134 | 12 | Detected |
| Aqua Ohio - Lawrence County | Westerville, OH | 8,130 | 12 | Detected |
| Hartwell | Hartwell, GA | 8,129 | 13 | Clean |
| Payette City Of | Payette, ID | 8,127 | 93 | Detected |
| South Weber Water System | Kaysville, UT | 8,125 | 381 | Clean |