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 |
|---|---|---|---|---|
| Suffolk, City Of | Suffolk, VA | 69,822 | 5 | Clean |
| Delray Beach Public Water System | Delray Beach, FL | 69,754 | 34 | Detected |
| Southern Utilities | Tyler, TX | 69,735 | 29 | Detected |
| Waterloo Water Works | Waterloo, IA | 69,504 | 67 | Detected |
| Idaho Falls City Of | Idaho Falls, ID | 69,450 | 144 | Clean |
| Toho Water Authority-Poinciana System | Kissimmee, FL | 69,447 | 23 | Clean |
| Valley County Water Dist. | Baldwin Park, CA | 68,871 | 8 | Clean |
| Iowa City Water Department | Iowa City, IA | 68,753 | 130 | Clean |
| West Des Moines Water Works | West Des Moines, IA | 68,723 | 21 | Clean |
| City of Newport Beach | Newport Beach, CA | 68,572 | 7 | Clean |
| Sharyland WSC | Mission, TX | 68,562 | 18 | Detected |
| Hixson Utility District | Hixson, TN | 68,306 | 23 | Detected |
| Lodi, City Of | Lodi, CA | 68,272 | 16 | Detected |
| Eagan | Eagan, MN | 68,223 | 4 | Detected |
| Lynnwood City Of | Lynnwood, WA | 68,204 | 8 | Clean |
| Missoula Water | Missoula, MT | 68,200 | 84 | Clean |
| El Yunque | Rio Grande, PR | 68,024 | 231 | Clean |
| Elyria Water Department | Lorain, OH | 68,000 | 74 | Clean |
| Old Bridge Mua | Old Bridge, NJ | 68,000 | 56 | Detected |
| City of New Smyrna Beach | New Smyrna Beach, FL | 67,847 | 44 | Clean |
| Citrus Heights Water District | Citrus Heights, CA | 67,818 | 8 | Clean |
| Indiana American Water - Terre Haute | Greenwood, IN | 67,765 | 24 | Detected |
| City of Davis | Davis, CA | 67,457 | 62 | Clean |
| Lakeville | Lakeville, MN | 67,300 | 4 | Clean |
| City of Palo Alto | Palo Alto, CA | 67,231 | 18 | Clean |
| Panama City Beach City Of | Panama City Beach, FL | 67,205 | 60 | Clean |
| Kirkland City Of | Kirkland, WA | 67,107 | 1 | Clean |
| Taylorsville-Bennion ID | Riverton, UT | 67,098 | 637 | Clean |
| Lynwood-City, Water Dept. | Lynwood, CA | 66,967 | 20 | Detected |
| Sjcu-Cr214 Mainland WTP | St. Augustine, FL | 66,953 | 35 | Clean |
| City of Victoria | Victoria, TX | 66,932 | 16 | Detected |
| Beaumont Cherry Valley WD | Beaumont, CA | 66,841 | 8 | Clean |
| Cal American Water Co | Rosemead, CA | 66,809 | 10 | Clean |
| City of Alexandria Water System | Alexandria, LA | 66,798 | 41 | Clean |
| Water Auth of Dickson County | Dickson, TN | 66,725 | 23 | Clean |
| City of Tustin | Tustin, CA | 66,600 | 17 | Detected |
| City of Madera | Madera, CA | 66,560 | 23 | Clean |
| Capital Region Water | Harrisburg, PA | 66,540 | 145 | Clean |
| Skokie | Skokie, IL | 66,422 | 26 | Clean |
| Tumwater City Of | Tumwater, WA | 66,373 | 22 | Detected |
| Boone Co Water & Sewer District | Burlington, KY | 66,300 | 30 | Detected |
| Malden Water Division (Mwra) | Malden, MA | 66,263 | 45 | Clean |
| City of Rowlett | Rowlett, TX | 66,212 | 16 | Detected |
| Ocala, City of (2 Wtps) | Ocala, FL | 66,176 | 43 | Detected |
| Lakewood - City, Water Dept. | Lakewood, CA | 66,135 | 6 | Detected |
| East Cherry Creek Valley WSD | Aurora, CO | 66,130 | 1,783 | Detected |
| Suburban Water Systems-Whittier | Covina, CA | 66,045 | 4 | Detected |
| Gallatin Water Department | Gallatin, TN | 65,964 | 5 | Clean |
| Spring Hill Water Dept | Spring Hill, TN | 65,840 | 12 | Detected |
| Lima City | Lima, OH | 65,619 | 59 | Detected |