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 |
|---|---|---|---|---|
| White Oak Bend MUD | Houston, TX | 2,520 | 3 | - |
| Wawa Inc Store#556 | Wawa, MD | 2,520 | 5 | - |
| Town of Zwolle Water System | Zwolle, LA | 2,520 | 301 | - |
| Rockport Water | Rockport, IN | 2,520 | 471 | - |
| Swearengin Water System | Grant, AL | 2,520 | 18 | - |
| Tomball Isd Rosehill Elementary | Tomball, TX | 2,519 | 27 | - |
| Silver Lake Village PWS | Silver Lake, OH | 2,519 | 12 | - |
| Sabetha, City Of | Sabetha, KS | 2,519 | 63 | - |
| City of Hooks | Hooks, TX | 2,518 | 38 | Detected |
| Indigo Lakes Water System | Magnolia, TX | 2,517 | 35 | - |
| South Buda Wcid 1 | Austin, TX | 2,517 | 10 | - |
| Cinco MUD 3 | Houston, TX | 2,517 | 0 | - |
| Scma-Tremont | Pottsville, PA | 2,515 | 216 | - |
| Clio, City Of | Clio, MI | 2,515 | 104 | - |
| Mitchellville Water Supply | Mitchellville, IA | 2,515 | 48 | - |
| Greenwood Village | Austin, TX | 2,514 | 176 | - |
| Start Water System | Start, LA | 2,514 | 15 | - |
| Kenilworth | Kenilworth, IL | 2,514 | 41 | Clean |
| Turtle Cove POA | Monticello, GA | 2,514 | 78 | - |
| Lake Wilderness | Rockville, VA | 2,513 | 114 | - |
| Casselton City Of | Casselton, ND | 2,513 | 11 | - |
| Holcut-Cairo Water Assn | Burnsville, MS | 2,513 | 264 | - |
| Postville Water Department | Postville, IA | 2,513 | 34 | - |
| Spring Lake | Spring Lake, MI | 2,512 | 5 | - |
| Bearden Waterworks | Bearden, AR | 2,511 | 34 | - |
| Deerfield Waterworks | Deerfield, WI | 2,510 | 45 | - |
| Bottoms Bridge | New Kent, VA | 2,510 | 3 | - |
| Fort Story | Ft. Eustis, VA | 2,510 | 2 | - |
| Montana Expo Park Cascade County | Great Falls, MT | 2,510 | 25 | - |
| Carthage | Carthage, IL | 2,510 | 250 | - |
| West Branch Water Works | West Branch, IA | 2,509 | 53 | - |
| Diamond | Diamond, IL | 2,508 | 346 | - |
| Jesup Municipal Water Supply | Jesup, IA | 2,508 | 85 | - |
| Fennimore Waterworks | Fennimore, WI | 2,507 | 43 | - |
| Kern Valley Airport | Bakersfield, CA | 2,507 | 3 | - |
| Northern Jackson County Psd | Sandyville, WV | 2,506 | 48 | - |
| Johnston Ridge Observatory | Amboy, WA | 2,506 | 15 | - |
| Gibsonburg Village | Gibsonburg, OH | 2,506 | 5 | - |
| Ancora Psychiatric Hospi | Ancora, NJ | 2,506 | 176 | - |
| Millerton Sra Meadow Tank Hill | Friant, CA | 2,506 | 20 | - |
| WI DOT Rest Area 11 Dekorra East Bound | Madison, WI | 2,505 | 64 | - |
| Campbell County East System | Lynchburg, VA | 2,505 | 4 | - |
| Richland Sud | Richland Springs, TX | 2,505 | 81 | Clean |
| East Medina County Sud Unit 2 | Devine, TX | 2,505 | 1 | - |
| Castlewood MUD | Houston, TX | 2,505 | 0 | - |
| Lee Canyon Campgrounds Usfs | Las Vegas, NV | 2,505 | 56 | - |
| Putnamville Correctional Facility | Greencastle, IN | 2,505 | 59 | - |
| Sesser | Sesser, IL | 2,505 | 33 | - |
| Jimmys One Stop | Manteca, CA | 2,505 | 27 | - |
| Hackleburg Water & Sewer Board | Hackleburg, AL | 2,505 | 26 | - |