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 |
|---|---|---|---|---|
| Surf City, Town Of | Surf City, NC | 9,730 | 455 | Clean |
| Usn-Kings Bay Submarine Base | Kings Bay, GA | 9,730 | 44 | Clean |
| Cougar Rock Campground | Ashford, WA | 9,722 | 12 | - |
| South Camden Wtr & Swr Distrct | Camden, NC | 9,717 | 191 | Clean |
| City of Leesburg / East | Leesburg, FL | 9,716 | 24 | Detected |
| Water & Sewer Commission 4 of St Mary | Charenton, LA | 9,709 | 53 | Detected |
| Flamingo Crossing (Consec.) | Apopka, FL | 9,704 | 1 | - |
| Jasper Water Dept | Jasper, TN | 9,702 | 53 | Clean |
| Sturgeon Bay Waterworks | Sturgeon Bay, WI | 9,700 | 12 | Detected |
| Suburban Lock Haven Water Auth | Mill Hall, PA | 9,700 | 471 | Clean |
| Wyoming City PWS | Cincinnati, OH | 9,700 | 13 | Clean |
| Cornwall-On-Hudson | Cornwall-On-Hudson, NY | 9,700 | 961 | Detected |
| La Salle | La Salle, IL | 9,700 | 219 | Detected |
| Steger | Manteno, IL | 9,700 | 87 | Clean |
| Mountain Village Town Of | Redvale, CO | 9,700 | 559 | Detected |
| Brownville Water System | West Monroe, LA | 9,696 | 201 | Clean |
| City of Scott Water System | Scott, LA | 9,696 | 32 | Clean |
| Fleming Co Water Association | Flemingsburg, KY | 9,693 | 53 | Clean |
| Jackson, City Of | Jackson, OH | 9,691 | 181 | Detected |
| St Charles Mesa WD | Pueblo, CO | 9,690 | 130 | Clean |
| Malvern Waterworks | Malvern, AR | 9,690 | 122 | Clean |
| West Point City Water System | West Point, UT | 9,686 | 130 | Detected |
| Jarrell Schwertner WSC | Jarrell, TX | 9,681 | 32 | Detected |
| Mountain View-Edgewood Water Co | Edgewood, WA | 9,680 | 7 | Detected |
| McFarland Waterworks | McFarland, WI | 9,676 | 29 | Detected |
| Aztec Domestic Water System | Aztec, NM | 9,673 | 83 | Clean |
| Merrill Waterworks | Merrill, WI | 9,661 | 228 | Clean |
| Warren County Water System | Warrenton, NC | 9,654 | 93 | Detected |
| Church Creek (Awc) | Newark, DE | 9,654 | 8 | Clean |
| Byron | Byron, GA | 9,653 | 25 | Clean |
| Hampton Township | Bay City, MI | 9,652 | 11 | Clean |
| City of Sanger | Sanger, TX | 9,650 | 42 | Detected |
| Great Basin Water Co Cold Springs | Reno, NV | 9,650 | 28 | Detected |
| Franklin, Town Of | Franklin, NC | 9,650 | 155 | Clean |
| Flatwoods Water Company | Flatwoods, KY | 9,649 | 101 | Detected |
| City of Kosciusko | Kosciusko, MS | 9,646 | 713 | Clean |
| Icmsa Crooked Creek | Indiana, PA | 9,638 | 270 | Clean |
| Pikeville Water Department | Pikeville, KY | 9,638 | 252 | Clean |
| Cairo | Cairo, GA | 9,637 | 48 | Clean |
| San Gabriel Valley Water Co-Montebello 1 | El Monte, CA | 9,630 | 9 | Clean |
| Northwestern W and SD - Oregon Wtln 200 | Bowling Green, OH | 9,629 | 61 | Detected |
| Maggie Valley Sanitary Dist | Maggie Valley, NC | 9,629 | 160 | Clean |
| Altoona Waterworks | Altoona, WI | 9,627 | 292 | Clean |
| Lewes Board of Public Works | Lewes, DE | 9,627 | 11 | Detected |
| Seminole County Southwest | Apopka, FL | 9,622 | 66 | Clean |
| McCoy WSC | Pleasanton, TX | 9,621 | 64 | Detected |
| Kenwood Water District | Dracut, MA | 9,620 | 29 | Detected |
| Vernon County Cons PWSD 1 | Nevada, MO | 9,615 | 72 | Clean |
| Prairie Grove Waterworks | Prairie Grove, AR | 9,615 | 52 | Clean |
| Hyden Leslie Co Water District | Hyden, KY | 9,614 | 382 | Clean |