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 |
|---|---|---|---|---|
| Orono-Veazie Water District | Orono, ME | 5,793 | 56 | Clean |
| Horsehead Water Association | Clarksville, AR | 5,792 | 7 | Clean |
| Price River Wid | Price, UT | 5,790 | 56 | Clean |
| Kossuth W/a #3-Pine Mountain | Corinth, MS | 5,790 | 539 | Clean |
| Hapeville | Hapeville, GA | 5,790 | 27 | Detected |
| Paola, City Of | Paola, KS | 5,786 | 96 | Detected |
| East Alton | East Alton, IL | 5,786 | 21 | Detected |
| Clarkesville | Clarkesville, GA | 5,785 | 19 | Clean |
| Copper Mountain Consolidated MD | Copper Mountain, CO | 5,785 | 7 | Clean |
| Pottawatomie Co. Rwd #3 (dale Plant) | 06 | 5,780 | 12 | Detected |
| Hazlehurst Water System | Hazlehurst, GA | 5,778 | 111 | Clean |
| North Dearborn Water Authority | West Harrison, IN | 5,775 | 19 | Clean |
| Saganing | Mt. Pleasant, 05 | 5,772 | 486 | Clean |
| Witt Utility District | Morristown, TN | 5,771 | 205 | Clean |
| Bloomfield Water & Sewer Dept | Bloomfield, KY | 5,771 | 79 | Detected |
| Hilltown Twp Water&sewer Auth | Sellersville, PA | 5,770 | 1,138 | Detected |
| White Lake, Town Of | White Lake, NC | 5,770 | 101 | Clean |
| City of Bruceville Eddy | Eddy, TX | 5,769 | 20 | Detected |
| Belding | Belding, MI | 5,769 | 24 | Clean |
| Shelburne Water Dept | Shelburne, VT | 5,764 | 2 | Clean |
| Harris County MUD 70 | Houston, TX | 5,763 | 11 | Detected |
| Wilmore Water Works | Wilmore, KY | 5,762 | 572 | Detected |
| Marion Water Division | Marion, MA | 5,761 | 42 | Clean |
| Mountaineer Park Inc | New Cumberland, WV | 5,760 | 332 | Detected |
| Buckingham Co Water System | Buckingham, VA | 5,759 | 84 | Clean |
| Pendleton Water Company | Pendleton, IN | 5,758 | 20 | Clean |
| Staunton | Staunton, IL | 5,756 | 201 | Detected |
| Mill Creek Pwd | Quincy, IL | 5,755 | 15 | Clean |
| Harris County MUD 319 | Houston, TX | 5,751 | 6 | - |
| Grandwood Park Subdivision - Lake Co Pw | Libertyville, IL | 5,751 | 61 | Clean |
| Estacada, City Of | Estacada, OR | 5,750 | 291 | Detected |
| Noble Utilities Authority | Noble, OK | 5,750 | 66 | Detected |
| Tioga Downs | Nichols, NY | 5,750 | 13 | Clean |
| Grandview at las Vegas | Las Vegas, NV | 5,750 | 7 | Clean |
| City of Crandall | Crandall, TX | 5,749 | 64 | - |
| Boardman, City Of | Boardman, OR | 5,749 | 169 | Clean |
| Coal City | Coal City, IL | 5,749 | 621 | Clean |
| Baxley | Baxley, GA | 5,749 | 3 | Clean |
| Federal Correctional Complex-Beaumont | Beaumont, TX | 5,748 | 74 | Clean |
| Appleby WSC | Nacogdoches, TX | 5,745 | 13 | Clean |
| Surfside, Town Of | Surfside, FL | 5,744 | 22 | Detected |
| Monument Town Of | Monument, CO | 5,740 | 178 | Clean |
| Triview MD | Monument, CO | 5,737 | 0 | Clean |
| Nesbit Water Association | Nesbit, MS | 5,734 | 375 | Clean |
| Clinton Water Assoc - Route 119 | Charleston, WV | 5,733 | 27 | Clean |
| Travis County Wcid 18 | Austin, TX | 5,733 | 143 | Detected |
| Rancho Murieta Community Servi | Rancho Murieta, CA | 5,728 | 13 | Clean |
| PA American Water Co Kane | New Castle, PA | 5,725 | 2 | Clean |
| Valparaiso, City Of | Valparaiso, FL | 5,722 | 15 | Clean |
| City of Jourdanton | Jourdanton, TX | 5,721 | 110 | Clean |