Texas utilities 1,001 to 1,100.
Each serves 3,612 to 4,035 people, as it reports to EPA. Your ZIP code finds yours faster.
1,001 to 1,100 of 1,272, by people served
| Utility | Based in | Serves | Regulated PFAS | Health-based violations since 2016 |
|---|---|---|---|---|
| East Montgomery County MUD 7 | Houston | 4,035 | Not sampled | 0 |
| Harris County MUD 342 | Houston | 4,035 | None found | 0 |
| Laughlin Air Force Base | Laughlin AFB | 4,010 | None found | 0 |
| Harris County MUD 186 | Houston | 4,005 | PFBS | 0 |
| City of Coleman | Coleman | 3,998 | None found | 8 |
| City of Crane | Crane | 3,996 | Not sampled | 2 |
| San Jacinto SUD | Coldspring | 3,993 | None found | 0 |
| Town of Edgecliff Village | Edgecliff Village | 3,992 | Not sampled | 0 |
| City of Colorado City | Colorado City | 3,991 | None found | 1 |
| Bauer Ranch Subdivision | Magnolia | 3,990 | Not sampled | 0 |
| Millersview Doole WSC | Millersview | 3,987 | PFHxS, PFBS | 141 |
| Harris County MUD 183 | Houston | 3,981 | PFHxS | 0 |
| City of Sweeny | Sweeny | 3,978 | None found | 3 |
| Fort Bend County MUD 48 | Houston | 3,969 | None found | 0 |
| Cypress Klein Utility District Wimbleton | Houston | 3,960 | None found | 0 |
| Greenwood Isd | Midland | 3,945 | Not sampled | 2 |
| Cross Country WSC | China Spring | 3,939 | None found | 0 |
| East Montgomery County MUD 6 | Houston | 3,939 | Not sampled | 0 |
| Harris County MUD 6 Carriage Lane | Houston | 3,936 | PFHxS, PFBS | 0 |
| Southern Water | Houston | 3,933 | None found | 0 |
| Harris County WCID 50 El Lago | El Lago | 3,924 | Not sampled | 4 |
| Eula WSC | Clyde | 3,918 | PFOA, PFOS, PFHxS, PFBS | 9 |
| City of Castroville | Castroville | 3,913 | Not sampled | 0 |
| Cypress Forest PUD | Houston | 3,912 | None found | 0 |
| West Wise SUD | Bridgeport | 3,909 | None found | 45 |
| Westlake MUD 1 | Houston | 3,909 | None found | 0 |
| Carolynn Estates | Austin | 3,906 | PFHxS, PFBS | 3 |
| Northgate Crossing MUD 1 | Houston | 3,906 | None found | 0 |
| Gholson WSC | Waco | 3,903 | Not sampled | 0 |
| Denton County FWSD 11 - B | Houston | 3,897 | Not sampled | 0 |
| Harris County MUD 173 | Houston | 3,894 | None found | 0 |
| Crystal Systems | Cypress | 3,879 | None found | 0 |
| The Consolidated WSC Central System | Crockett | 3,878 | None found | 16 |
| Bella Vista | Magnolia | 3,876 | Not sampled | 0 |
| Lindale Rural WSC DC | Lindale | 3,876 | Not sampled | 0 |
| Grand Lakes MUD 4 | Houston | 3,867 | Not sampled | 0 |
| City of Cockrell Hill | Dallas | 3,855 | PFOA, PFOS, PFHxS, PFBS | 0 |
| Harris County MUD 345 | Houston | 3,855 | None found | 0 |
| Chalk Bluff WSC | Waco | 3,852 | None found | 0 |
| Navarro Mills WSC | Purdon | 3,852 | None found | 0 |
| City of Eagle Lake | Eagle Lake | 3,837 | None found | 0 |
| Cinco MUD 9 | Houston | 3,828 | None found | 0 |
| Montgomery County UD 3 | Houston | 3,825 | None found | 0 |
| Harris County MUD 534 | Houston | 3,822 | Not sampled | 0 |
| City of Clyde | Clyde | 3,820 | PFOA, PFOS, PFHxS, PFBS | 19 |
| Kaufman County MUD 11 | Dallas | 3,819 | PFBS | 0 |
| City of Nash | Nash | 3,818 | None found | 0 |
| City of Venus | Venus | 3,816 | None found | 5 |
| Harris Fort Bend Counties MUD 1 | Houston | 3,812 | None found | 0 |
| Northwest Harris County MUD 30 | Houston | 3,804 | Not sampled | 0 |
| Crockett County WCID 1 Ozona | Ozona | 3,800 | None found | 0 |
| Stanley Lake MUD | Montgomery | 3,783 | None found | 0 |
| City of Springtown | Springtown | 3,781 | None found | 5 |
| Decker Hills | Austin | 3,780 | None found | 0 |
| City of Bunker Hill Village | Houston | 3,771 | None found | 0 |
| City of Montgomery | Montgomery | 3,771 | Not sampled | 1 |
| Kaufman County MUD 10 | Dallas | 3,771 | Not sampled | 0 |
| City of Emory | Emory | 3,762 | PFHxS | 12 |
| Mountain Springs WSC | Valley View | 3,756 | Not sampled | 1 |
| Northgate Crossing MUD 2 | Houston | 3,753 | None found | 0 |
| South Freestone County WSC | Teague | 3,753 | None found | 0 |
| Harris County MUD 401 | Houston | 3,750 | None found | 0 |
| Fruitvale WSC | Fruitvale | 3,747 | None found | 0 |
| Postwood MUD | Houston | 3,747 | None found | 0 |
| Becker - Jiba SUD | Kaufman | 3,741 | None found | 0 |
| Callahan County WSC | Clyde | 3,741 | Not sampled | 50 |
| City of Columbus | Columbus | 3,739 | None found | 0 |
| Glenwood WSC | Gilmer | 3,738 | Not sampled | 0 |
| Brittmoore Utility | Austin | 3,732 | None found | 0 |
| Harris County MUD 191 | Spring | 3,729 | Not sampled | 0 |
| South Newton WSC | Deweyville | 3,729 | None found | 0 |
| Cedar Creek Water System | Itasca | 3,720 | None found | 0 |
| Loma Vista Water System | Austin | 3,720 | None found | 0 |
| Encanto Real Utility District | Houston | 3,717 | None found | 0 |
| Fry Road MUD | Houston | 3,711 | None found | 0 |
| Harris County MUD 361 | The Woodlands | 3,705 | None found | 0 |
| Northwest Freeway MUD | Houston | 3,678 | None found | 0 |
| Montgomery County MUD 99 | Houston | 3,675 | Not sampled | 0 |
| Verona SUD | Blue Ridge | 3,672 | Not sampled | 0 |
| Fort Bend County MUD 229 | Houston | 3,666 | Not sampled | 0 |
| Somervell County Water District | Glen Rose | 3,666 | Not sampled | 21 |
| Woodland Oaks Subdivision | Austin | 3,666 | None found | 0 |
| City of Chandler | Chandler | 3,663 | None found | 0 |
| Fort Bend County MUD 185 | Houston | 3,663 | Not sampled | 0 |
| Lake Medina Shores | Austin | 3,660 | Not sampled | 0 |
| City of West Columbia | West Columbia | 3,650 | None found | 0 |
| JBSA Medina | JBSA Lackland | 3,650 | None found | 0 |
| Northwest Harris County MUD 36 | Houston | 3,648 | Not sampled | 0 |
| Harris County MUD 11 | Houston | 3,645 | None found | 0 |
| Valley MUD 2 Rancho Viejo | Rancho Viejo | 3,644 | Not sampled | 4 |
| Harris County MUD 208 | Houston | 3,642 | None found | 0 |
| City of Bertram | Bertram | 3,636 | Not sampled | 0 |
| Poetry WSC | Terrell | 3,636 | Not sampled | 1 |
| Multi - County WSC | Gatesville | 3,631 | None found | 31 |
| Harris County MUD 216 | Houston | 3,627 | Not sampled | 0 |
| Harris County WCID 116 | Houston | 3,627 | PFBS | 0 |
| Northwest Grayson County WCID 1 | Gordonville | 3,615 | Not sampled | 2 |
| City of Winnsboro | Winnsboro | 3,614 | None found | 2 |
| Mitchell County Utility | Austin | 3,612 | None found | 0 |
| Pecos County WCID 1 | Fort Stockton | 3,612 | None found | 0 |
Utilities EPA sampled under UCMR 5, plus any other community system serving 3,300 people or more. Smaller systems appear in ZIP code results. People served is what each utility reports to EPA. Data: EPA SDWIS 2026 Q2 and UCMR 5.