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 |
|---|---|---|---|---|
| Baraboo Waterworks | Baraboo, WI | 12,703 | 366 | Clean |
| Morgan City Water System | Morgan City, LA | 12,703 | 52 | Clean |
| Bon Aqua-Lyles U.d. | Lyles, TN | 12,701 | 54 | Clean |
| City of Grover Beach Public Works Dept | Grover Beach, CA | 12,701 | 8 | Clean |
| Archdale, City Of | Archdale, NC | 12,700 | 127 | Detected |
| Greencastle Department of Water | Greencastle, IN | 12,699 | 130 | Clean |
| Jefferson | Jefferson, GA | 12,690 | 26 | Clean |
| Kalaheo-Koloa | Lihue, HI | 12,660 | 3 | Clean |
| Lindsay, City Of | Linsday, CA | 12,659 | 178 | Detected |
| City of Levelland | Levelland, TX | 12,652 | 90 | Detected |
| Camp Pendleton (North) | Camp Pendleton, CA | 12,651 | 21 | - |
| City of Robinson | Robinson, TX | 12,650 | 20 | Detected |
| Greensburg Municipal Water Works | Greensburg, IN | 12,650 | 258 | Clean |
| Branson PWS | Branson, MO | 12,640 | 12 | Clean |
| Lares Urbano | Lares, PR | 12,634 | 524 | Clean |
| Western Rockcastle Water Assoc | Mt Vernon, KY | 12,623 | 106 | Clean |
| Brookesmith Special Utility District | Brownwood, TX | 12,621 | 19 | Detected |
| Glen Carbon | Glen Carbon, IL | 12,618 | 42 | Detected |
| Ottawa, City Of | Ottawa, KS | 12,604 | 20 | Detected |
| Tomball Isd Cypress Rosehill Plant | Tomball, TX | 12,600 | 6 | - |
| Mantua Township Mua | Mantua, NJ | 12,600 | 121 | Detected |
| Fulton PWS | Fulton, MO | 12,600 | 24 | Clean |
| Plano | Plano, IL | 12,600 | 57 | Clean |
| Gulfport Water System | Gulfport, FL | 12,600 | 18 | Detected |
| Holtville Water System | Deatsville, AL | 12,600 | 46 | Detected |
| Bear Valley Joint Auth | St Thomas, PA | 12,589 | 254 | Detected |
| East Liverpool City | East Liverpool, OH | 12,586 | 316 | Detected |
| Hopkinton Water Department | Hopkinton, MA | 12,586 | 23 | Detected |
| Ward Waterworks | Ward, AR | 12,579 | 13 | Clean |
| Diamondhead Utilities-North | Diamondhead, MS | 12,577 | 523 | Clean |
| West Wilkes Wtr Association Inc | Millers Creek, NC | 12,573 | 11 | Detected |
| Bucyrus City | Bucyrus, OH | 12,570 | 32 | Clean |
| Los Angeles Cwwd 40, Reg. 38-Lake La | Alhambra, CA | 12,568 | 1 | Clean |
| PA Amer Water Co Brownell | Wilkes Barre, PA | 12,560 | 7 | Clean |
| High Hills Rural Water Co Inc (4320003) | Dalzell, SC | 12,545 | 38 | Clean |
| City of Dixon | Dixon, CA | 12,540 | 4 | Clean |
| Conneaut | Conneaut, OH | 12,538 | 48 | Clean |
| Wilton Manors, City Of | Wilton Manors, FL | 12,531 | 38 | Detected |
| Montgomery County MUD 7 | The Woodlands, TX | 12,528 | 17 | Clean |
| City of Moss Point | Moss Point, MS | 12,524 | 631 | Clean |
| Red Bank Water Dept | Point Pleaseant Beach, NJ | 12,520 | 422 | Detected |
| Huntsville Utility District | Huntsville, TN | 12,516 | 0 | Clean |
| Selah City Of | Selah, WA | 12,515 | 243 | Clean |
| City of Brookhaven | Brookhaven, MS | 12,513 | 767 | Detected |
| Rockingham, City Of | Rockingham, NC | 12,510 | 52 | Detected |
| Kewanee | Kewanee, IL | 12,509 | 432 | Clean |
| Vienna | Vienna, WV | 12,507 | 435 | Detected |
| Orange City Utilities | Orange City, FL | 12,507 | 97 | Detected |
| Richton Park | Richton Park, IL | 12,504 | 201 | Clean |
| Summit Township Water Authorit | Erie, PA | 12,500 | 633 | Clean |