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 |
|---|---|---|---|---|
| Harbor View | Newark, MD | 437 | 49 | - |
| Neosho Co RWD 12 | Chanute, KS | 437 | 9 | - |
| Doniphan Co RWD 3 | Denton, KS | 437 | 198 | - |
| Bird City, City Of | Bird City, KS | 437 | 21 | - |
| Valley Baptist Church | Valparaiso, IN | 437 | 0 | - |
| Bonnie | Bonnie, IL | 437 | 22 | - |
| Lds Church Pella | Twin Falls, ID | 437 | 22 | - |
| Scott Co Pk-Pool | Davenport, IA | 437 | 39 | - |
| Grandview Muni Water Dept | Grandview, IA | 437 | 66 | - |
| Molena | Molena, GA | 437 | 283 | - |
| Magnolia Village | Sarasota, FL | 437 | 301 | - |
| Piney Woods Subdivision - 2 Wtps | Longwood, FL | 437 | 24 | - |
| Malone, Town of Water System | Malone, FL | 437 | 26 | - |
| Rico Town Of | Rico, CO | 437 | 250 | - |
| Reyno Waterworks | Reyno, AR | 437 | 23 | - |
| Grace Bible Church | Port Orchard, WA | 436 | 1 | - |
| Leedey | Leedey, OK | 436 | 54 | - |
| Billings PWA | Billings, OK | 436 | 282 | - |
| Golds Gym | Newburgh, NY | 436 | 108 | - |
| Rena Lara Water Association | Rena Lara, MS | 436 | 597 | - |
| Kearsley- Fiedler School | Flint, MI | 436 | 57 | - |
| Leonardville, City Of | Leonardville, KS | 436 | 100 | - |
| Scales Mound | Scales Mound, IL | 436 | 35 | - |
| Lds Wapello Church | Arlee, ID | 436 | 2 | - |
| Lds Tyhee Stake Center | Arlee, ID | 436 | 3 | - |
| Ashton Municipal Water Department | Ashton, IA | 436 | 23 | - |
| Sunnyside Farms Mutual Water Company | Palmdale, CA | 436 | 9 | - |
| Heafer-Black Oak Water Assoc | Proctor, AR | 436 | 72 | - |
| Westlake Chemical | Proctor, WV | 435 | 68 | - |
| Northview Elementary School | Howards Grove, WI | 435 | 15 | - |
| Saputo Cheese USA Inc Waupun | Waupun, WI | 435 | 41 | - |
| Maplewood Addition Water Coop | Renton, WA | 435 | 80 | - |
| Combined Water System | Coupeville, WA | 435 | 62 | - |
| Inverness Point Water System | Austin, TX | 435 | 81 | - |
| Bennett Woods | Porter, TX | 435 | 17 | - |
| Huffman Heights Subdivision | Cypress, TX | 435 | 71 | - |
| Hancock Plaza I & II | Canyon Lake, TX | 435 | 32 | - |
| Acued. Madriguera | Aguas Buenas, PR | 435 | 134 | - |
| Quebrada Larga | Aguada, PR | 435 | 519 | - |
| American Bulk Hauling LLC | Langeloth, PA | 435 | 0 | - |
| American Water Hauling LLC | Langeloth, PA | 435 | 0 | - |
| Aqua PA Kratzerville | Shamokin, PA | 435 | 268 | - |
| Heatherwood Terrace Townhouses | Minneapolis, OH | 435 | 53 | - |
| Yah Ta Hey W & SD | Yah-Tah-Hey, NM | 435 | 177 | - |
| Upper Pittsgrove Elem School | Monroeville, NJ | 435 | 9 | - |
| Bellwood, Village Of | Bellwood, NE | 435 | 156 | - |
| Sedgemoor S/D | Cary, NC | 435 | 11 | - |
| Providence Water Association | Meadville, MS | 435 | 306 | - |
| Seven Trails West Subd | Camdenton, MO | 435 | 42 | - |
| St Elizabeth PWS | St Elizabeth, MO | 435 | 62 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).