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 |
|---|---|---|---|---|
| Creekside Development | Canyonville, 10 | 3,159 | 75 | - |
| Salmon City Of | Salmon, ID | 3,158 | 129 | - |
| Branchland Midkiff Psd | Branchland, WV | 3,157 | 68 | - |
| Northwest Harris County MUD 22 | Houston, TX | 3,156 | 5 | - |
| Greensboro | Greensboro, GA | 3,156 | 23 | - |
| City of Hudson Oaks | Hudson Oaks, TX | 3,154 | 78 | Detected |
| Wawa #486 | Wawa, NJ | 3,154 | 516 | - |
| Burney Water District | Burney, CA | 3,154 | 43 | - |
| Oak Ridge South Gale WSC | Denison, TX | 3,153 | 87 | - |
| Agate Water System | Bend, OR | 3,153 | 84 | - |
| Sterrett-Vandiver Water System | Sterrett, AL | 3,153 | 37 | Detected |
| East Taylor Muni Auth | Johnstown, PA | 3,152 | 332 | - |
| Nanty Glo Water Auth | Nanty Glo, PA | 3,152 | 466 | Detected |
| Empire | Farmington, MN | 3,152 | 4 | - |
| Aspinwall Boro Water Dept | Pittsburgh, PA | 3,151 | 47 | - |
| Millersburg Village PWS | Millersburg, OH | 3,151 | 11 | Clean |
| Grangeville Water Dept | Grangeville, ID | 3,151 | 11 | Clean |
| Fort Bend County MUD 130 | Houston, TX | 3,150 | 15 | - |
| City of Crane | Crane, TX | 3,150 | 264 | - |
| Quarryville Boro | Quarryville, PA | 3,150 | 137 | - |
| Redbank Valley Mun Auth | New Bethlehem, PA | 3,150 | 374 | - |
| Tower City Authority | Tower City, PA | 3,150 | 465 | - |
| Harbor Water PUD | Harbor, OR | 3,150 | 89 | - |
| Maybrook Village | Maybrook, NY | 3,150 | 488 | - |
| Lee Water District | Lee Center, NY | 3,150 | 16 | - |
| Santa Fe County West Sector | Santa Fe, NM | 3,150 | 83 | - |
| Waterville Valley Water Dist | Waterville Valley, NH | 3,150 | 44 | - |
| Central Miss Corr Facility | Brandon, MS | 3,150 | 554 | - |
| Scott County PWSD 4 | Morley, MO | 3,150 | 6 | - |
| Calcasieu Ww #14 Ward 5 | Starks, LA | 3,150 | 47 | - |
| Bear Creek Water Works | Bear Creek, AL | 3,150 | 3 | - |
| Buena Vue Casino | Ione, 09 | 3,150 | 7 | - |
| Tipton Water Supply | Tipton, IA | 3,149 | 20 | - |
| Penrose WD | Penrose, CO | 3,149 | 64 | - |
| Placer Cwa - Colfax | Auburn, CA | 3,149 | 0 | - |
| Tdcj Wainwright Unit | Huntsville, TX | 3,148 | 33 | - |
| City of Nevada City | Nevada City, CA | 3,148 | 5 | - |
| Attica Water Utility | Attica, IN | 3,147 | 189 | - |
| Lodi Waterworks | Lodi, WI | 3,146 | 51 | - |
| Follansbee Municipal | Follansbee, WV | 3,145 | 55 | - |
| Cottonwood Mutual | Mountain Green, UT | 3,145 | 359 | - |
| Williams City Of | Williams, AZ | 3,145 | 314 | - |
| Lake Windcrest Water System | Magnolia, TX | 3,144 | 24 | - |
| Harris County Wcid Fondren Road | Houston, TX | 3,144 | 13 | - |
| National Park Water Department | National Park, NJ | 3,144 | 67 | - |
| Beaver Lake Association Inc | Plattsmouth, NE | 3,144 | 5 | Clean |
| Chandler | Chandler, OK | 3,142 | 809 | - |
| Sherrill - Kenwood WD | Sherrill, NY | 3,142 | 16 | - |
| Pelucia Rural W/a #2-Grav Hill | Greenwood, MS | 3,142 | 260 | - |
| Clerbrook RV Resorts (2 Wps) | Tampa, FL | 3,142 | 53 | - |