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 |
|---|---|---|---|---|
| Echo Valley School WS | Salinas, CA | 579 | 81 | - |
| Mendocino School District- Mendocino | Mendocino, CA | 579 | 9 | - |
| Nrf VIII - Autumn Grove LLC | Skokie, WI | 578 | 0 | - |
| Stony Mill Elementary School | Chatham, VA | 578 | 20 | - |
| City of Matador | Matador, TX | 578 | 45 | - |
| Sherwood Forest MHP PWS | West Covina, OH | 578 | 128 | - |
| Ironton | Ironton, MN | 578 | 4 | - |
| Heidi's Farm Stand | Lowell, MI | 578 | 4 | - |
| Sawyerville | Sawyerville, IL | 578 | 106 | - |
| YMCA Snow Mtn Ranch | Granby, CO | 578 | 154 | Clean |
| Seventh Day Adventist Camp | Soquel, CA | 578 | 12 | - |
| Mount Laguna Improvement Assn. | Mt Laguna, CA | 578 | 17 | - |
| Timberline-Cv Psd | Davis, WV | 577 | 433 | - |
| Wildwood Mobile Home Village | Houston, TX | 577 | 289 | Clean |
| Lahoma PWA | Lahoma, OK | 577 | 18 | - |
| Barker Village | Barker, NY | 577 | 0 | - |
| Highlands Cove S/D | Cullowhee, NC | 577 | 61 | - |
| Cunningham Falls - Houck Area | Annapolis, MD | 577 | 0 | - |
| Forrest Farm Subdivision | California, MD | 577 | 4 | - |
| Fagasa ASG | Pago Pago, AS | 577 | 35 | - |
| Alburgh Village Water System | Alburgh, VT | 576 | 462 | - |
| Rolling V Ranch Wcid 3 of Wise County | Dallas, TX | 576 | 0 | - |
| Harris County MUD 578 | Houston, TX | 576 | 0 | - |
| Sea Side | Tyler, TX | 576 | 5 | - |
| Fort Bend County MUD 250A | Houston, TX | 576 | 0 | - |
| Austin County WSC 2 | Bellville, TX | 576 | 23 | - |
| Jenner Twp Muni Auth | Boswell, PA | 576 | 126 | - |
| Middle Point Village | Middle Point, OH | 576 | 147 | - |
| Cherry Valley Springfield Cs | Cherry Valley, NY | 576 | 234 | Clean |
| Lebanon Reservoir Campground | Hamilton, NY | 576 | 9 | - |
| Nottingham Community Sch | Nottingham, NH | 576 | 4 | - |
| Arbor Run/Charles Place S/D | Cary, NC | 576 | 10 | - |
| Brighton Schools - Hilton Elementary | Brighton, MI | 576 | 12 | - |
| Dcr Erving State Forest | Amherst, MA | 576 | 16 | - |
| Social Springs Water System South | Ringgold, LA | 576 | 67 | - |
| Lpwdn Carmel Drive | Lafayette, LA | 576 | 0 | - |
| Cameron Parish Ww District 7 | Creole, LA | 576 | 240 | - |
| Melba City Of | Melba, ID | 576 | 101 | - |
| Oak Glen Retreat | Yorba Linda, CA | 576 | 6 | - |
| Anway Manville Water Company | Tucson, AZ | 576 | 52 | - |
| McDonald's (Preiss Corporation) | Cheyenne, WY | 575 | 9 | - |
| Raleigh County Psd Odd | Sophia, WV | 575 | 26 | - |
| Arbor Vitae Woodruff El Sch | Woodruff, WI | 575 | 27 | - |
| Sunnyside Elementary Sch | Pulaski, WI | 575 | 169 | - |
| Autumn Ridge Water System LLC | Ixonia, WI | 575 | 32 | - |
| Raft Island | Tacoma, WA | 575 | 12 | - |
| Hardee`s-Saluda | Richmond, VA | 575 | 7 | - |
| James River High School | Fincastle, VA | 575 | 9 | - |
| Fayette County Wcid Monument Hill | La Grange, TX | 575 | 157 | - |
| Tripp | Tripp, SD | 575 | 220 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).