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 |
|---|---|---|---|---|
| Northern Douglas County WSD | Greenwood Village, CO | 6,160 | 52 | Detected |
| City of Industry Waterworks Systems | La Puente, CA | 6,158 | 7 | Clean |
| Pluris-Wedgefield Inc | Sarasota, FL | 6,157 | 82 | Clean |
| Spo Co Water Dist 3 Sys 4 | Spokane, WA | 6,155 | 332 | Clean |
| South Elizabethton U.d. | Elizabethton, TN | 6,154 | 27 | Clean |
| East Medina County Sud Unit 1 | Devine, TX | 6,153 | 0 | Clean |
| Templeton Munic. Light and Water Plant | Baldwinville, MA | 6,152 | 215 | Detected |
| Cal Trans Erreca Rest Area | Stockton, CA | 6,150 | 8 | - |
| Mocksville, Town Of | Mocksville, NC | 6,147 | 169 | Detected |
| Titusville Municipal Water | Titusville, PA | 6,146 | 138 | Detected |
| Wilcox County Water and Sewer District | Camden, AL | 6,144 | 36 | Detected |
| DOT Faa Atl Bld 33 & Bld 208 | Atlantic City, NJ | 6,138 | 46 | Clean |
| Washington Twp Muni Auth | Waynesboro, PA | 6,134 | 669 | Clean |
| Hardin WSC | Hardin, TX | 6,132 | 24 | Clean |
| Cornelia | Cornelia, GA | 6,130 | 19 | Clean |
| Harris County MUD 222 | Houston, TX | 6,129 | 0 | Clean |
| Presque Isle Utilities District | Presque Isle, ME | 6,128 | 42 | Clean |
| Maquoketa Municipal Water | Maquoketa, IA | 6,128 | 169 | Clean |
| Solvang Water Division | Solvang, CA | 6,126 | 38 | Detected |
| Alma Waterworks | Alma, AR | 6,123 | 51 | Clean |
| Ensenada | Guanica, PR | 6,122 | 91 | Clean |
| Xenia RWD (North) | Bouton, IA | 6,122 | 12 | Clean |
| Jackson Rancheria Casino & Hotel | Jackson, 09 | 6,120 | 35 | Clean |
| Northville | Northville, MI | 6,119 | 13 | Clean |
| Union County Water District | Morganfield, KY | 6,117 | 184 | Detected |
| Mulga Water Department | Mulga, AL | 6,117 | 13 | Detected |
| City of Oakdale Water System | Oakdale, LA | 6,114 | 85 | Clean |
| Blue Ridge Water System | Blue Ridge, GA | 6,112 | 12 | Clean |
| City of Madisonville | Madisonville, TX | 6,111 | 34 | Clean |
| Snead Water Works, Town Of | Snead, AL | 6,111 | 29 | Clean |
| City of Gustine | Gustine, CA | 6,110 | 21 | Clean |
| Newton Falls City | Newton Falls, OH | 6,109 | 130 | Detected |
| Eagle, City of (Western Zone) | Eagle, ID | 6,108 | 10 | Clean |
| Wilderness Psd | Mount Nebo, WV | 6,106 | 84 | Clean |
| City of Houston District 73 | Houston, TX | 6,105 | 7 | Clean |
| City of Childress | Childress, TX | 6,105 | 174 | Detected |
| Maine Water Company Skowhegan Division | Poland, ME | 6,105 | 8 | Clean |
| Dequeen Water Work | Dequeen, AR | 6,105 | 12 | Clean |
| Carrollton Township | Saginaw, MI | 6,103 | 6 | Clean |
| Hildale - Colorado City | Hildale, UT | 6,100 | 991 | Detected |
| Bigfork County Water and Sewer | Bigfork, MT | 6,100 | 43 | Clean |
| Jefferson County PWSD 7 | Hillsboro, MO | 6,100 | 13 | Clean |
| North Manchester Water Department | North Manchester, IN | 6,100 | 88 | Clean |
| Floyds Knobs Water Company, Inc. | Greenville, IN | 6,100 | 16 | Clean |
| Ventura River Water District | Ojai, CA | 6,100 | 10 | Clean |
| Tecumseh Utility Authority | Tecumseh, OK | 6,098 | 757 | Detected |
| Central Shoshone County Water Dist | Kellogg, ID | 6,098 | 183 | Clean |
| Paulsboro Water Department | Paulsboro, NJ | 6,097 | 182 | Detected |
| Henryetta | Henryetta, OK | 6,096 | 857 | Detected |
| Cinco Southwest MUD 4 | Houston, TX | 6,093 | 0 | Clean |