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 |
|---|---|---|---|---|
| City of Wilson | Wilson, TX | 444 | 306 | - |
| City of Blum | Blum, TX | 444 | 55 | - |
| Chaparral Water System Hays | Austin, TX | 444 | 220 | - |
| City of Avinger | Avinger, TX | 444 | 37 | - |
| Rolling Hills MHP | Wappingers Falls, NY | 444 | 35 | - |
| Arroyo Seco Mdwca | Arroyo Seco, NM | 444 | 182 | - |
| Haleyville Mauricetown School | Port Norris, NJ | 444 | 37 | - |
| Wykoff | Wykoff, MN | 444 | 15 | - |
| Napoleon Township | Napoleon, MI | 444 | 17 | - |
| Magnolia-Spring Creek Subdivision | Des Peres, LA | 444 | 799 | - |
| Smith Mobile Home Village Water System | Brooklyn, LA | 444 | 97 | - |
| Miltonvale, City Of | Miltonvale, KS | 444 | 86 | - |
| Waiawa Correctional Facility | Pearl City, HI | 444 | 281 | - |
| Jupiter/Tequesta Church of Chr | Tequesta, FL | 444 | 59 | - |
| Lake Mystic Water System | Quincy, FL | 444 | 2 | - |
| Hixton Waterworks | Hixton, WI | 443 | 218 | - |
| Fountain City Waterworks | Fountain City, WI | 443 | 62 | - |
| Burger King | Chicago, WI | 443 | 10 | - |
| Pioneer Water Company | Marshall, WA | 443 | 46 | - |
| Bevin Lake Rest Area | Chehalis, WA | 443 | 9 | - |
| Energy Stop | Azle, TX | 443 | 4 | - |
| Fredonia Boro | Fredonia, PA | 443 | 333 | - |
| New Enterprise Water Assn | New Enterprise, PA | 443 | 466 | - |
| Butte Falls, Town Of | Butte Falls, OR | 443 | 54 | - |
| Helena | Helena, OK | 443 | 254 | - |
| Chester Commons Plaza-C/B Development-Ca | Ann Arbor, OH | 443 | 287 | - |
| Sun Valley Water and Sanitation District | Alto, NM | 443 | 98 | - |
| Franklin Water Department | Franklin, ME | 443 | 104 | Detected |
| Tallokas Trails/Circle | Savannah, GA | 443 | 60 | - |
| Nsbu - Nuiqsut | Anchorage, AK | 443 | 272 | - |
| Birchwood Waterworks | Birchwood, WI | 442 | 96 | - |
| Doe Bay Water Users Assoc | Eastsound, WA | 442 | 66 | - |
| Villa Grove | Olympia, WA | 442 | 51 | - |
| Alamo Fiesta R V Resort | Orange, TX | 442 | 36 | - |
| Juan Asencio 1 Sector la Tiza | Aguas Buenas, PR | 442 | 560 | - |
| Gray Squirrel Campsites | Beavertown, PA | 442 | 162 | - |
| Three Springs Boro Water Co | Three Springs, PA | 442 | 388 | - |
| Aqua PA Yalick Farms | White Haven, PA | 442 | 14 | - |
| Spencer Mountain Village | Dallas, NC | 442 | 54 | - |
| Tradewinds S/D | Cary, NC | 442 | 130 | - |
| Applegate Water System | Cary, NC | 442 | 360 | - |
| Clarksville PWS | Clarksville, MO | 442 | 54 | - |
| Blandford Water Dept | Blandford, MA | 442 | 128 | - |
| Richmond, City Of | Richmond, KS | 442 | 459 | - |
| Zen Leaf | Prospect Heights, IL | 442 | 0 | - |
| Alexander Water District | Alexander, IL | 442 | 34 | Detected |
| Lds Church Coltman Bldg-5047005 | Roy, ID | 442 | 7 | - |
| Casini Ranch Campground | Duncan Mills, CA | 442 | 9 | - |
| Brevig Mission Water System | Brevig Mission, AK | 442 | 563 | - |
| Ucross Guest Ranch | Clearmont, WY | 441 | 15 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).