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 |
|---|---|---|---|---|
| Bayshore Campground | Rock Hall, MD | 636 | 16 | - |
| McPherson Co RWD 4 | Galva, KS | 636 | 0 | - |
| Ozawkie, City Of | Ozawkie, KS | 636 | 30 | - |
| Fonda Water Supply | Fonda, IA | 636 | 30 | - |
| Woodstock Elementary School | Woodstock, CT | 636 | 13 | - |
| Orleans C.s.d. | Orleans, CA | 636 | 41 | - |
| Blue Springs Water Works | Clio, AL | 636 | 18 | - |
| Eleva Waterworks | Eleva, WI | 635 | 360 | - |
| Cochrane Fountain City School | Fountain City, WI | 635 | 16 | - |
| Duck Lake Water Association | Okanogan, WA | 635 | 62 | - |
| Alderwood Estates | Puyallup, WA | 635 | 13 | - |
| Kegotank Elementary School | Accomac, VA | 635 | 1 | - |
| Chris Greene Lake - Park Side | Charlottesville, VA | 635 | 0 | - |
| Woodlawn Shores Water Dept | Sugar Tree, TN | 635 | 45 | - |
| Alex | Alex, OK | 635 | 196 | - |
| Woodstream Campsite | Gainesville, NY | 635 | 16 | - |
| Holcomb PWS | Holcomb, MO | 635 | 59 | - |
| Courtland | Courtland, MN | 635 | 13 | - |
| Grove City | Grove City, MN | 635 | 3 | - |
| Acres of Wildlife #2 | Steep Falls, ME | 635 | 38 | - |
| Adventures RV Resort | Mandeville, LA | 635 | 81 | - |
| Reno Co RWD 4 | Hutchinson, KS | 635 | 18 | - |
| Bennington, City Of | Bennington, KS | 635 | 26 | - |
| Bartelso | Bartelso, IL | 635 | 33 | - |
| Dumont Water Supply | Marshalltown, IA | 635 | 15 | - |
| Yosemite Nps-El Portal | Yosemite Np, CA | 635 | 17 | - |
| Benton County Water Authority4 | Lowell, AR | 635 | 32 | - |
| Red Tail Hawk Health Center | Sacaton, 09 | 635 | 0 | - |
| Accawmacke Elementary School | Accomac, VA | 634 | 30 | - |
| Colman | Colman, SD | 634 | 154 | - |
| Poplar Creek Water Association | Ethel, MS | 634 | 540 | - |
| Kensington Hotel | Saipam, MP | 634 | 78 | - |
| Northwestern Elementary School | Kokomo, IN | 634 | 21 | - |
| Cisne | Cisne, IL | 634 | 12 | - |
| Goldfield Water Supply | Goldfield, IA | 634 | 26 | - |
| Mineral County Water District | Mineral, CA | 634 | 22 | - |
| Carter Community | Crandon, 05 | 634 | 79 | - |
| Pendleton Co Psd-Upper Tract | Upper Tract, WV | 633 | 174 | - |
| Walter IM Hodge Pavillion | VI | 633 | 0 | - |
| Barton Creek WSC | Round Rock, TX | 633 | 15 | - |
| A & P WSC Pump 1 | Carthage, TX | 633 | 194 | - |
| The Retreat Water Supply | Austin, TX | 633 | 144 | - |
| Veolia Water New Jersey - Awosting | Haworth, NJ | 633 | 582 | - |
| Glendale Master System | Cary, NC | 633 | 105 | - |
| East Arcadia, Town Of | Riegel Wood, NC | 633 | 451 | - |
| Hill City | Hill City, MN | 633 | 8 | - |
| Peters Pond Park | Sandwich, MA | 633 | 19 | - |
| Gem State - Bar Circle S Ranch | Coeur D'alene, ID | 633 | 41 | - |
| Hobson City Water System | Hobson City, AL | 633 | 85 | - |
| Colton Water Department | Colton, WA | 632 | 47 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).