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 |
|---|---|---|---|---|
| Appalachia, Town Of | Appalachia, VA | 2,745 | 68 | - |
| City of Van | Van, TX | 2,745 | 33 | Clean |
| Conway Water and Sewer | Conway, NH | 2,745 | 291 | - |
| Greater Harrison Psd Valley of Good Hope | West Milford, WV | 2,744 | 130 | - |
| Chestnut Ridge Psd | Philippi, WV | 2,744 | 22 | - |
| Putnam Community Water Association PWS | Marietta, OH | 2,744 | 78 | Detected |
| Horse Cave Water System | Horse Cave, KY | 2,744 | 86 | - |
| Badin Shores Resort | New London, NC | 2,743 | 170 | - |
| Galena, City Of | Galena, KS | 2,743 | 34 | - |
| Ringgold | Ringgold, GA | 2,743 | 63 | - |
| Northwest Harris County MUD 16 | Houston, TX | 2,742 | 26 | - |
| North Prairie RWD-System III | Minot, ND | 2,742 | 3 | - |
| Trenton | Trenton, IL | 2,742 | 50 | - |
| Chino Valley Town Of | Prescott Valley, AZ | 2,742 | 280 | - |
| Fmh Water Association | Leland, MS | 2,740 | 1,138 | - |
| Hillsboro, City Of | Hillsboro, KS | 2,740 | 160 | - |
| Pawnee | Pawnee, IL | 2,739 | 36 | - |
| Luckiamute Domestic Water Coop | Monmouth, OR | 2,738 | 86 | - |
| Lexington | Lexington, MN | 2,738 | 25 | - |
| Madawaska Water District | Madawaska, ME | 2,738 | 32 | - |
| Luxemburg Waterworks | Luxemburg, WI | 2,737 | 12 | - |
| Valentine, City Of | Valentine, NE | 2,737 | 9 | - |
| Alto | Alto, GA | 2,737 | 93 | - |
| Mims WSC | Avinger, TX | 2,736 | 37 | - |
| Town of Jackson Water System | Jackson, LA | 2,736 | 31 | - |
| Biscoe, Town Of | Biscoe, NC | 2,735 | 66 | - |
| Watervliet | Watervliet, MI | 2,735 | 162 | - |
| Bishop Paiute-Shoshone Tribe | Bishop, 09 | 2,735 | 117 | - |
| City of Hallettsville | Hallettsville, TX | 2,733 | 8 | - |
| Fort Bend County MUD 134E | Houston, TX | 2,733 | 0 | - |
| Keego Harbor, City Of | Waterford, MI | 2,733 | 4 | - |
| Vincent (the Wwb of the City Of) | Vincent, AL | 2,733 | 83 | - |
| Unified Alaskan Utilities Settlers Bay | Anchorage, AK | 2,733 | 267 | - |
| Franklinton, Town Of | Youngsville, NC | 2,732 | 346 | - |
| Central Rankin Water Assn | Star, MS | 2,732 | 577 | - |
| Stigler | Stigler, OK | 2,731 | 199 | - |
| Bonneauville Muni Water Auth | Gettysburg, PA | 2,730 | 985 | - |
| Youngstown Boro Muni Auth | Youngstown, PA | 2,730 | 111 | - |
| Burns Water Department | Burns, OR | 2,730 | 66 | - |
| Red Hook Village | Red Hook, NY | 2,730 | 66 | - |
| Forsyth PWS | Forsyth, MO | 2,730 | 33 | - |
| Lincoln Parish Waterworks District #3 | Ruston, LA | 2,730 | 29 | - |
| Town of Oberlin Water System | Oberlin, LA | 2,730 | 102 | - |
| Kahuku | Honolulu, HI | 2,730 | 3 | - |
| Wrens | Wrens, GA | 2,730 | 18 | - |
| Coffeeville Water Works, Town Of | Coffeeville, AL | 2,730 | 27 | - |
| Roseau | Roseau, MN | 2,729 | 36 | - |
| Ledbetter Water District | Ledbetter, KY | 2,729 | 503 | Detected |
| Evansville, Town Of | Casper, WY | 2,728 | 7 | - |
| City of Refugio | Refugio, TX | 2,728 | 215 | - |