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 |
|---|---|---|---|---|
| Fort Bend County MUD 37 | Houston, TX | 1,662 | 1 | - |
| Windthorst WSC | Windthorst, TX | 1,662 | 13 | - |
| Canyonville, City Of | Canyonville, OR | 1,662 | 148 | - |
| Ward 3 Water Association | Bastrop, LA | 1,662 | 106 | - |
| Reinbeck Water Supply | Gladbrook, IA | 1,662 | 42 | - |
| Westwood C.s.d. | Westwood, CA | 1,662 | 14 | - |
| Del Oro Water Co-Ferndale | Chico, CA | 1,662 | 0 | - |
| V Lakes Utility District | Brandon, MS | 1,661 | 268 | - |
| Bement | Bement, IL | 1,661 | 20 | - |
| WY DOT-Fort Steele Rest Area | Laramie, WY | 1,660 | 17 | - |
| Ferron - Castle Valley Ssd | Castledale, UT | 1,660 | 187 | - |
| City of Big Sandy | Big Sandy, TX | 1,660 | 116 | - |
| Ayersville Water and Sewer District | Defiance, OH | 1,660 | 167 | - |
| South Charleston Village PWS | Lebanon, OH | 1,660 | 113 | - |
| Orwell Village PWS | Orwell, OH | 1,660 | 81 | - |
| David Wade Correctional Center WS | Homer, LA | 1,660 | 35 | - |
| Bethel-City S/D Water | Bethel, AK | 1,660 | 424 | - |
| Oakland Psd | Weirton, WV | 1,659 | 154 | - |
| Oakland Park | King George, VA | 1,659 | 214 | - |
| Glouster Public Water System | Glouster, OH | 1,659 | 21 | - |
| Defiance NTUA | Ft Defiance, NN | 1,659 | 158 | - |
| Lukachukai NTUA | Ft Defiance, NN | 1,659 | 80 | - |
| Earle Waterworks | Earle, AR | 1,659 | 80 | - |
| Cannelton Utilities | Cannelton, IN | 1,658 | 49 | - |
| Montrose, City Of | Montrose, MI | 1,657 | 62 | - |
| Kingsley, Village Of | Kingsley, MI | 1,657 | 91 | - |
| Lincolnton | Lincolnton, GA | 1,657 | 49 | - |
| Boulder Meadows MHP | Windsor, CO | 1,657 | 52 | - |
| Wymore, City Of | Wymore, NE | 1,656 | 50 | - |
| Bayou Bonne Idee WS | Mer Rouge, LA | 1,656 | 41 | - |
| Eaton Pwd | Annapolis, IL | 1,655 | 20 | - |
| Granger Muni Water Supply | Granger, IA | 1,654 | 40 | - |
| McHenry Utility Assn, Inc | McHenry, MS | 1,653 | 347 | - |
| Town of Flora #1 | Flora, MS | 1,653 | 620 | - |
| St Tam Parish -Northridge Estates | Covington, LA | 1,653 | 3 | - |
| Rossville Water Works | Rossville, IN | 1,653 | 85 | - |
| Forest Village | Forest, OH | 1,652 | 58 | - |
| Red Rock NTUA | Ft Defiance, NN | 1,652 | 57 | - |
| Russells Point Village PWS | Russells Point, OH | 1,651 | 153 | - |
| Ludowici Water System | Ludowici, GA | 1,651 | 112 | - |
| Morgan State Prison | Morgan, GA | 1,651 | 11 | - |
| Homestead High School | Mequon, WI | 1,650 | 79 | - |
| Killington Base Lodge | Killington, VT | 1,650 | 15 | - |
| Fluvanna Correctional Center for Women | Troy, VA | 1,650 | 11 | - |
| Pattison WSC | Pattison, TX | 1,650 | 50 | Clean |
| Encino Estates | Conroe, TX | 1,650 | 16 | - |
| G & W WSC | Waller, TX | 1,650 | 213 | - |
| Corea Metralla | Penuelas, PR | 1,650 | 907 | - |
| Southern Columbia Area School | Catawissa, PA | 1,650 | 180 | - |
| Blacklick Valley Muni Auth | Twin Rocks, PA | 1,650 | 174 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).