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 |
|---|---|---|---|---|
| Tariffville Fire District Water Dept | Tariffville, CT | 1,477 | 112 | - |
| Montgomery County MUD 145 | Houston, TX | 1,476 | 0 | - |
| City of Riesel | Riesel, TX | 1,476 | 415 | - |
| Greenwich Village PWS | Greenwich, OH | 1,476 | 46 | - |
| Hilly-Greenwood Water System | Ruston, LA | 1,476 | 20 | - |
| Ile Des Cannes Water System | Duson, LA | 1,476 | 2 | - |
| Palm Valley Mobile Home Park | Oviedo, FL | 1,476 | 81 | - |
| Bonduel Waterworks | Bonduel, WI | 1,475 | 18 | - |
| Orfordville Waterworks | Orfordville, WI | 1,475 | 44 | - |
| Tieton Water Dept City Of | Yakima, WA | 1,475 | 66 | - |
| Green Acres Mhc | Monsey, PA | 1,475 | 88 | - |
| Carlisle City PWS | Carlisle, OH | 1,475 | 62 | - |
| Letchworth Central Sch Dist #1 | Hunt, NY | 1,475 | 11 | - |
| Bethany | Bethany, IL | 1,475 | 17 | - |
| Craig Public Works | Craig, AK | 1,475 | 195 | - |
| Apache Gold Casino | San Carlos, 09 | 1,475 | 121 | - |
| Graham Hill Mutual Water Co Inc | Graham, WA | 1,474 | 21 | - |
| Merritt Township | Bay City, MI | 1,474 | 3 | - |
| Phillips Waterworks | Phillips, WI | 1,473 | 94 | - |
| Kaufman County MUD 9 | Dallas, TX | 1,473 | 4 | - |
| Upper Dublin High School | Maple Glen, PA | 1,473 | 49 | - |
| Royal Farms #206 | Baltimore, MD | 1,473 | 0 | - |
| The Vineyard Church | Mishawaka, IN | 1,473 | 80 | - |
| Ceredo Water Works | Ceredo, WV | 1,472 | 194 | - |
| Monterey Water Company Inc. | Elephant Butte, NM | 1,472 | 444 | - |
| University of Providence | Great Falls, MT | 1,472 | 37 | - |
| Ash Grove PWS | Ash Grove, MO | 1,472 | 203 | - |
| Westport Schools Complex | Westport, MA | 1,472 | 0 | - |
| Garden Home SD | Garden Homes, IL | 1,472 | 44 | - |
| Hodgkins | Hodgkins, IL | 1,472 | 18 | - |
| Guadalupe Valley Mid | Brisbane, CA | 1,472 | 8 | Detected |
| City of Menard | Menard, TX | 1,471 | 15 | Clean |
| Monona Municipal Water Dept | Monona, IA | 1,471 | 34 | - |
| Gatling Pointe | Isle of Wight, VA | 1,470 | 20 | - |
| Harris County MUD 559 | Houston, TX | 1,470 | 0 | - |
| City of Pasadena El Cary Estates | Pasadena, TX | 1,470 | 27 | - |
| Shale Creek Community | Austin, TX | 1,470 | 1 | - |
| McDonald's Restaurant | Moorestown, NJ | 1,470 | 28 | - |
| Bowman City Of | Bowman, ND | 1,470 | 8 | - |
| Jefferson, Town Of | Jefferson, NC | 1,470 | 88 | - |
| Bismarck PWS | Bismarck, MO | 1,470 | 63 | - |
| Green Oaks | Green Oaks, IL | 1,470 | 24 | - |
| Sandy Creek/Lacona Joint Waterworks | Sandy Creek, NY | 1,469 | 48 | - |
| Duenweg PWS | Duenweg, MO | 1,469 | 52 | - |
| Lake Weir Middle School | Ocala, FL | 1,469 | 31 | - |
| Belle Plaine, City Of | Belle Plaine, KS | 1,468 | 159 | - |
| Four Seasons MHP | Provo, IL | 1,468 | 52 | - |
| Sennett Consolidated Water Districts | Auburn, NY | 1,467 | 13 | - |
| Dickinson WD #3 | Binghamton, NY | 1,467 | 6 | - |
| Parkside | Middletown, DE | 1,467 | 0 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).