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 |
|---|---|---|---|---|
| University of Kansas | Lawrence, KS | 35,000 | 28 | Detected |
| Powdersville Water District (Sc0420002) | Powdersville, SC | 34,960 | 6 | Detected |
| Goldsboro, City Of | Goldsboro, NC | 34,959 | 19 | Detected |
| Fair Lawn Water Dept | Fair Lawn Boro, NJ | 34,947 | 257 | Detected |
| Hecla Water Association | Ironton, OH | 34,942 | 19 | Detected |
| Newport Utilities Board | Newport, TN | 34,925 | 23 | Clean |
| Goforth Sud | Niederwald, TX | 34,893 | 56 | Detected |
| West Fargo City Of | West Fargo, ND | 34,858 | 3 | Clean |
| Lihue-Kapaa | Lihue, HI | 34,854 | 37 | Clean |
| City of Harker Heights | Harker Heights, TX | 34,834 | 27 | Detected |
| Canon City City Of | Canon City, CO | 34,800 | 47 | Clean |
| Arab, Water Works Board of the City Of | Arab, AL | 34,800 | 4 | Detected |
| Crestview, City of Water Dept. | Crestview, FL | 34,789 | 50 | Clean |
| Berkeley County Pswd-Potomac River | Martinsburg, WV | 34,786 | 98 | Clean |
| Lenoir City Utility Board | Lenoir City, TN | 34,786 | 92 | Detected |
| Shelbyville Water System | Shelbyville, TN | 34,772 | 19 | Detected |
| Bartlesville | Bartlesville, OK | 34,748 | 142 | Detected |
| Elk Grove Village | Elk Grove Village, IL | 34,700 | 41 | Clean |
| Winter Springs, City of (3 Wps) | Orlando, FL | 34,657 | 119 | Detected |
| Fairborn Public Water System | Jamestown, OH | 34,620 | 27 | Clean |
| Berkeley Co P S W D-Bunker Hill | Martinsburg, WV | 34,586 | 119 | Detected |
| Blacksburg, Town Of | Blacksburg, VA | 34,578 | 4 | Clean |
| Dix Hills Water District | Huntington, NY | 34,522 | 89 | Detected |
| McMinnville Water & Light | McMinnville, OR | 34,515 | 53 | Clean |
| Manitowoc Waterworks | Manitowoc, WI | 34,500 | 7 | Clean |
| Coos Bay North Bend Wtr Brd | Coos Bay, OR | 34,500 | 20 | Clean |
| Clifton WD | Clifton, CO | 34,500 | 27 | Clean |
| City of Deer Park | Deer Park, TX | 34,495 | 60 | Detected |
| Plainfield Water Works | Plainfield, IN | 34,477 | 166 | Detected |
| City of Meridian | Meridian, MS | 34,466 | 294 | Clean |
| McCreary County Water District | Whitley City, KY | 34,439 | 83 | Detected |
| Bargersville Water Department | Bargersville, IN | 34,418 | 37 | Detected |
| Northbrook | Northbrook, IL | 34,407 | 25 | Clean |
| Bluedrop Water @ St Bernadette Church | North Randolph, MA | 34,362 | 0 | - |
| Bluedrop Water @ Randolph Dpw | North Randolph, MA | 34,362 | 7 | - |
| Randolph Water Department | Randolph, MA | 34,362 | 27 | Detected |
| Parkersburg Utility Board | Palestine, WV | 34,251 | 49 | Detected |
| Inver Grove Heights | Inver Grove Heights, MN | 34,189 | 10 | Detected |
| Golden State Water Company - Orcutt | Hawthorne, CA | 34,102 | 2 | Clean |
| City of Cleburne | Cleburne, TX | 34,075 | 15 | Detected |
| Lexington Water Dept. (Mwra) | Lexington, MA | 34,074 | 17 | Clean |
| West Columbia City of (3210004) | West Columbia, SC | 34,028 | 27 | Detected |
| Edmonds City Of | Edmonds, WA | 34,023 | 0 | Clean |
| Water And Power Authority - STT | Christiansted, VI | 34,000 | 9 | Clean |
| City of Fulshear | Fulshear, TX | 34,000 | 23 | Clean |
| Oklahoma University | Norman, OK | 34,000 | 59 | Clean |
| Port Washington WD | Port Washington, NY | 34,000 | 582 | Detected |
| Plainview WD | Plainview, NY | 34,000 | 236 | Detected |
| Fort Drum | Fort Drum, NY | 34,000 | 19 | Detected |
| Aquarion Water/NH | Monroe, NH | 34,000 | 19 | Detected |