Public Water Systems
7,351 active public water systems in TX, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Cornerstones MUD | Houston, TX | 5,331 | 1 | Clean |
| City of Farmersville | Farmersville, TX | 5,312 | 57 | Detected |
| Brazoria County MUD 22 | Houston, TX | 5,310 | 2 | Clean |
| Fort Bend County MUD 155 | Houston, TX | 5,292 | 4 | - |
| West Harris County MUD 7 | Houston, TX | 5,289 | 2 | Clean |
| Onalaska WSC | Onalaska, TX | 5,289 | 12 | Clean |
| Tarkington Sud | Cleveland, TX | 5,265 | 13 | Clean |
| Flo Community WSC | Buffalo, TX | 5,256 | 103 | Clean |
| Brazoria County MUD 25 | Houston, TX | 5,250 | 97 | Clean |
| Harris County MUD 127 | Houston, TX | 5,247 | 11 | Detected |
| Goodfellow Air Force Base | Goodfellow Afb, TX | 5,241 | 62 | Detected |
| Montgomery County MUD 36 | The Woodlands, TX | 5,235 | 16 | Clean |
| Brazoria County MUD 55 | Houston, TX | 5,229 | 4 | - |
| Harris County MUD 400 - West | Houston, TX | 5,217 | 2 | Clean |
| Blackland WSC | Fate, TX | 5,217 | 48 | Detected |
| Fort Bend County MUD 194 | Houston, TX | 5,211 | 15 | - |
| City of Diboll | Diboll, TX | 5,210 | 77 | Clean |
| Fort Bend County MUD 143 Water View Esta | Houston, TX | 5,196 | 2 | Detected |
| Cinco Southwest MUD 3 Daycare | Houston, TX | 5,187 | 0 | Detected |
| Sienna MUD 6 | Houston, TX | 5,184 | 0 | - |
| Montgomery County MUD 94 | Houston, TX | 5,184 | 8 | Clean |
| Harris County MUD 33 | Houston, TX | 5,181 | 25 | Clean |
| Denton County Fwsd 11-A | Houston, TX | 5,160 | 14 | Detected |
| Harris County Wcid 114 | Houston, TX | 5,160 | 25 | Detected |
| Camino Real | Magnolia, TX | 5,160 | 0 | - |
| Muleshoe Municipal Water System | Muleshoe, TX | 5,158 | 37 | Clean |
| Crosby MUD | Crosby, TX | 5,130 | 52 | - |
| West Gregg Sud | Kilgore, TX | 5,127 | 23 | Clean |
| Tdcj Ramsey Area | Huntsville, TX | 5,119 | 67 | Clean |
| Harris County MUD 179 | Houston, TX | 5,115 | 3 | Detected |
| Harris County Wcid 133 | Houston, TX | 5,109 | 3 | Clean |
| City of Garden Ridge | Garden Ridge, TX | 5,100 | 74 | Clean |
| Mayde Creek MUD | Houston, TX | 5,100 | 31 | Detected |
| Brazoria County MUD 31 | Houston, TX | 5,097 | 0 | Clean |
| Harris County MUD 276 | Houston, TX | 5,094 | 0 | Detected |
| Fort Bend County MUD 119 | Houston, TX | 5,088 | 0 | Detected |
| Cottonwood Creek MUD 1 | Austin, TX | 5,082 | 8 | - |
| Lake Fork WSC | Yantis, TX | 5,082 | 39 | Clean |
| Sunko WSC | Stockdale, TX | 5,064 | 10 | Clean |
| Elm Ridge Wcid | Savannah, TX | 5,061 | 38 | Detected |
| Fort Bend County MUD 190 | Houston, TX | 5,049 | 0 | - |
| Concho Rural Water Grape Creek | San Angelo, TX | 5,049 | 89 | Detected |
| City of Canton | Canton, TX | 5,028 | 44 | Detected |
| Harris County Improvement District 18 | Houston, TX | 5,025 | 4 | Clean |
| Northwest Harris County MUD 32 | Houston, TX | 5,016 | 6 | Clean |
| City of Aledo | Aledo, TX | 5,010 | 230 | Detected |
| Harris County MUD 495 | Houston, TX | 5,007 | 6 | Clean |
| City of Mathis | Mathis, TX | 5,001 | 213 | Detected |
| City of Morgans Point Resort | Morgans Point Resort, TX | 5,000 | 83 | Detected |
| Coleman County Sud | Coleman, TX | 5,000 | 253 | Detected |