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 |
|---|---|---|---|---|
| Alder Lake Park Water System | Eatonville, WA | 934 | 1 | - |
| Liverpool Muni Auth | Liverpool, PA | 934 | 317 | - |
| Morrill, Village Of | Morrill, NE | 934 | 153 | - |
| Dagsboro Water Dept | Dagsboro, DE | 934 | 12 | - |
| Knippa WSC | Knippa, TX | 933 | 17 | Clean |
| Price WSC | Price, TX | 933 | 27 | - |
| Star, Town Of | Star, NC | 933 | 106 | - |
| Crocker PWS | Crocker, MO | 933 | 82 | - |
| South Mansfield Water System | Mansfield, LA | 933 | 195 | - |
| Westport Water Company - Cougar Road | Westport, IN | 933 | 42 | - |
| Boswell Public Works Authority | Boswell, OK | 932 | 539 | - |
| Jasper PWS | Jasper, MO | 932 | 43 | - |
| Peabody, City Of | Peabody, KS | 932 | 218 | - |
| Stonington | Stonington, IL | 932 | 9 | - |
| Alpine Park | Epworth, IA | 932 | 0 | - |
| Texas National MUD | Houston, TX | 931 | 34 | Clean |
| Prairie Path Water Company-Apple Canyon | Galena, IL | 931 | 17 | - |
| Whitesburg | Whitesburg, GA | 931 | 34 | - |
| Pcud-Northeast | Land O' Lakes, FL | 931 | 22 | - |
| Clearview I&s District | Rock Springs, WY | 930 | 64 | - |
| Whitehorse Mercantile Water System | Arlington, WA | 930 | 22 | - |
| Preston Industrial Park Water Assn | Port Orchard, WA | 930 | 175 | - |
| White Oak Estates | Rockville, VA | 930 | 9 | - |
| Kennedy Ridge WSC | Del Valle, TX | 930 | 200 | - |
| Harris County MUD 250 | Houston, TX | 930 | 10 | - |
| Moore WSC | Moore, TX | 930 | 62 | - |
| Tulpehocken Area Mid High SC | Bethel, PA | 930 | 370 | - |
| Tel Hai Retirement Community | Honey Brook, PA | 930 | 118 | - |
| Osage Co RWD # 1 | Ochelata, OK | 930 | 89 | - |
| Kenston High School | Chagrin Falls, OH | 930 | 28 | - |
| Erie Co Vermilion District | Huron, OH | 930 | 8 | - |
| Tully Village | Tully, NY | 930 | 10 | - |
| McAdenville, Town Of | McAdenville, NC | 930 | 54 | - |
| North Haven Water Association | New Albany, MS | 930 | 507 | - |
| Independence Lake County Park | Whitmore Lake, MI | 930 | 6 | - |
| Mt Greylock Regional School | Williamstown, MA | 930 | 88 | Clean |
| St Tam Parish - River Oaks | Covington, LA | 930 | 1 | - |
| Village of Sicily Island | Sicily Island, LA | 930 | 66 | - |
| Mississippi Rapids Rest Area | Rock Falls, IL | 930 | 2 | - |
| Lake Region Mobile Home Village | Haines City, FL | 930 | 46 | - |
| Durango West MD No 2 | Durango, CO | 930 | 124 | - |
| Park Forest | Colorado Springs, CO | 930 | 522 | - |
| Sundale Union School | Tulare, CA | 930 | 8 | - |
| Wilfredo Valentin | Santurce, PR | 929 | 294 | - |
| Mill Road Elementary School-Rh | Red Hook, NY | 929 | 8 | - |
| Lake City Water Assn-West | Yazoo City, MS | 929 | 526 | - |
| Ty Ty | Ty Ty, GA | 929 | 2 | Clean |
| California Water Service Co-Lake Hughes | San Jose, CA | 929 | 0 | - |
| Fairview Beach/Pot. Landing | King George, VA | 928 | 223 | - |
| Cherrydale Subdivision | Rockville, VA | 928 | 12 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).