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 |
|---|---|---|---|---|
| Harris County Wcid 89 | Houston, TX | 9,033 | 34 | Clean |
| Central Bowie County WSC | New Boston, TX | 9,027 | 28 | Detected |
| Elderville WSC | Longview, TX | 9,021 | 122 | Clean |
| Naval Air Stn Joint Reserve Base | Fort Woth, TX | 9,000 | 19 | Detected |
| City of Pearsall | Pearsall, TX | 8,985 | 51 | Clean |
| Barker Cypress MUD | Houston, TX | 8,976 | 14 | Detected |
| Town of Highland Park | Dallas, TX | 8,959 | 7 | Detected |
| Olmito WSC | Olmito, TX | 8,952 | 156 | Detected |
| Sunbelt Fwsd High Meadows Subdivision | Houston, TX | 8,946 | 39 | Detected |
| Chelford City MUD | Houston, TX | 8,917 | 17 | Clean |
| Creedmoor Maha WSC | Buda, TX | 8,907 | 63 | Detected |
| Bacliff MUD | Bacliff, TX | 8,900 | 23 | Detected |
| Mason Creek Utility District | Katy, TX | 8,900 | 66 | Clean |
| City of Hillsboro | Hillsboro, TX | 8,867 | 51 | Detected |
| Town of Sunnyvale | Sunnyvale, TX | 8,839 | 68 | Detected |
| Harris County MUD 391 | Houston, TX | 8,835 | 14 | Clean |
| City of Liberty Hill | Liberty Hill, TX | 8,777 | 136 | - |
| Walnut Grove WSC | Whitehouse, TX | 8,775 | 46 | Clean |
| City of Wharton | Wharton, TX | 8,756 | 187 | Clean |
| Cross Timbers WSC | Argyle, TX | 8,751 | 35 | Detected |
| City of Graham | Graham, TX | 8,732 | 48 | Detected |
| North Mission Glen MUD | Houston, TX | 8,730 | 6 | Clean |
| City of Live Oak | Live Oak, TX | 8,724 | 6 | Clean |
| City of Lago Vista | Lago Vista, TX | 8,698 | 41 | Detected |
| Harris County MUD 132 | Houston, TX | 8,682 | 1 | Clean |
| Kingsbridge MUD | Houston, TX | 8,663 | 375 | Detected |
| City of Brownfield | Brownfield, TX | 8,652 | 41 | Clean |
| Montgomery County MUD 6 | The Woodlands, TX | 8,610 | 11 | Clean |
| Lyndon B Johnson Space Center | Houston, TX | 8,530 | 10 | Detected |
| City of Richland Hills | Richland Hills, TX | 8,505 | 24 | Detected |
| Perryton Municipal Water System | Perryton, TX | 8,492 | 47 | Clean |
| Harris County MUD 150 | Houston, TX | 8,454 | 58 | Detected |
| Old Egypt Subdivision | Austin, TX | 8,442 | 10 | Clean |
| City of Manvel | Manvel, TX | 8,437 | 51 | - |
| Hidalgo County MUD 1 | Mission, TX | 8,420 | 118 | Detected |
| Rice University | Houston, TX | 8,415 | 34 | Detected |
| Tbcd Winnie Stowell | Stowell, TX | 8,397 | 74 | Detected |
| City of Hitchcock | Hitchcock, TX | 8,379 | 63 | Detected |
| Webb County Water Utilities | Laredo, TX | 8,358 | 767 | Detected |
| Jackrabbit Road PUD | Houston, TX | 8,346 | 7 | Detected |
| City of Floresville | Floresville, TX | 8,306 | 19 | Clean |
| Harris County MUD 154 | Houston, TX | 8,289 | 52 | Clean |
| Santa Fe Utility | New Waverly, TX | 8,265 | 0 | - |
| Williamson County Wsid 3 | Austin, TX | 8,265 | 33 | Detected |
| Harris County MUD 290 | Houston, TX | 8,259 | 0 | Clean |
| Dalhart Municipal Water System | Dalhart, TX | 8,256 | 21 | Clean |
| North Hopkins WSC | Sulphur Springs, TX | 8,253 | 47 | Clean |
| Orangefield WSC | Orangefield, TX | 8,231 | 76 | Clean |
| Buena Vista Bethel Sud | Waxahachie, TX | 8,218 | 12 | Clean |
| West Harris County MUD 11 | Houston, TX | 8,205 | 10 | Clean |