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 |
|---|---|---|---|---|
| Wee-MA-Tuk Water District | Cuba, IL | 863 | 2 | Detected |
| Hills Water Supply | Hills, IA | 863 | 5 | - |
| Countryside Village of Denver | Lakewood, CO | 863 | 31 | - |
| Garvin Co RWD #6 (SW Purchase) | Wynnewood, OK | 862 | 179 | - |
| Sycamore Village | Sycamore, OH | 862 | 132 | - |
| West Winfield Village | West Winfield, NY | 862 | 131 | - |
| Narbona Pass NTUA | Ft Defiance, NN | 862 | 60 | - |
| Nazlini NTUA | Ft Defiance, NN | 862 | 179 | - |
| Macopin Middle School | Glenwood, NJ | 862 | 58 | - |
| Marble Hill South PWS | Marble Hill, MO | 862 | 83 | - |
| Stephenson | Stephenson, MI | 862 | 17 | - |
| Hcs/Dover Elementary School | Tampa, FL | 862 | 13 | - |
| California Pines C.s.d. | Alturas, CA | 862 | 15 | - |
| Marbleton, Town Of | Marbleton, WY | 861 | 1,526 | - |
| Rocky Glen Manufactured Housing Communit | Martinsburg, WV | 861 | 82 | - |
| Camilla WSC | Coldspring, TX | 861 | 11 | - |
| Maple Leaf Mobile Home Subdivision | Cypress, TX | 861 | 125 | - |
| Royal Center Water Utility | Royal Center, IN | 861 | 75 | Clean |
| Coralville Lake-West Overlook | Iowa City, IA | 861 | 82 | - |
| Runaway Point | Savannah, GA | 861 | 15 | - |
| Cottondale Water System | Cottondale, FL | 861 | 21 | Clean |
| Frederica Pump District | Dover, DE | 861 | 0 | - |
| Liberty -Yermo | Downey, CA | 861 | 107 | - |
| Reece City (Town Of) | Attalla, AL | 861 | 51 | - |
| Allgood Water Works, Town Of | Allgood, AL | 861 | 25 | - |
| Allenton Sanitary District | Allenton, WI | 860 | 47 | - |
| Alburg RV Resort | Alburg, VT | 860 | 54 | - |
| Annabella Town Water System | Annabella, UT | 860 | 97 | - |
| Seiling | Seiling, OK | 860 | 130 | - |
| Tenkiller Waterworks, Inc. | New Port Richey, OK | 860 | 137 | - |
| Southern Cayuga Central School | Aurora, NY | 860 | 17 | - |
| Kings Row Tp | Las Vegas, NV | 860 | 18 | - |
| Mercer County Correctional Center | Lambertville, NJ | 860 | 308 | - |
| Ossipee Water Dept | Center Ossipee, NH | 860 | 308 | - |
| Whittemore/Prescott School Complex | Whittemore, MI | 860 | 37 | - |
| Oaks of Rockford | Rockford, MI | 860 | 12 | - |
| Umd Rehabilitation and Orthopedic Inst. | Baltimore, MD | 860 | 0 | - |
| Darlington Water | Indianapolis, IN | 860 | 12 | - |
| Bethel Lutheran Church | Noblesville, IN | 860 | 9 | - |
| Oak Hill JR./SR. High School | Marion, IN | 860 | 101 | - |
| East Galesburg | East Galesburg, IL | 860 | 40 | - |
| Ripleys Mhc IA LLC | Leclaire, IA | 860 | 56 | - |
| Hubbard Water Supply | Hubbard, IA | 860 | 62 | - |
| Yulee Primary School | Yulee, FL | 860 | 21 | - |
| Roxborough NW Douglas County | Littleton, CO | 860 | 8 | - |
| Mesa Elementary School | Riverbank, CA | 860 | 0 | - |
| Pe Ell Town Of | Pe Ell, WA | 859 | 434 | - |
| Sentinel PWS | Sentinel, OK | 859 | 42 | - |
| Coolville Village PWS | Coolville, OH | 859 | 65 | - |
| Dahlgren | Dahlgren, IL | 859 | 11 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).