Total Haloacetic Acids (HAA5) violations in Texas
262 active public water systems in Texas had a Total Haloacetic Acids (HAA5) violation in the past three years, 36 of them in the latest quarter of EPA's data. What Total Haloacetic Acids (HAA5) is and why it matters.
Systems with a Total Haloacetic Acids (HAA5) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Harris County MUD 501 Harris County |
4,740 | 1 | 0 | |
|
City of Taft San Patricio County |
4,627 | 5 | 0 | |
|
Jefferson County Wcid 10 Jefferson County |
4,605 | 4 | 0 | |
|
Clay Road MUD Harris County |
4,443 | 1 | 0 | |
|
City of Karnes City Karnes County |
4,269 | 5 | 1 | |
|
City of Comanche Comanche County |
4,211 | 6 | 0 | |
|
Laughlin Air Force Base Val Verde County |
4,010 | 2 | 0 | |
|
San Antonio Military Medical Center Bexar County |
4,000 | 2 | 0 | |
|
The Consolidated WSC Central System Houston County |
3,878 | 6 | 1 | |
|
City of Clyde Callahan County |
3,820 | 5 | 1 | |
|
Somervell County Water District Somervell County |
3,666 | 2 | 0 | |
|
Lometa Regional Water Lampasas County |
3,609 | 3 | 1 | |
|
Oakmont Pud Harris County |
3,450 | 4 | 0 | |
|
Webb County Water Dispenser Webb County |
3,362 | 3 | 0 | |
|
Harris County Wcid Fondren Road Harris County |
3,144 | 2 | 1 | |
|
City of la Joya Hidalgo County |
3,033 | 7 | 5 | |
|
Harris County Facility & Property Mgmt Harris County |
3,000 | 6 | 0 | |
|
City of la Villa Hidalgo County |
2,781 | 3 | 0 | |
|
Fountainview Subdivision Harris County |
2,703 | 4 | 1 | |
|
City of Junction Kimble County |
2,700 | 6 | 3 | |
|
Violet WSC Nueces County |
2,670 | 5 | 0 | |
|
City of Hughes Springs Cass County |
2,527 | 1 | 0 | |
|
City of Overton Rusk County |
2,275 | 5 | 2 | |
|
Dow Chemical Sabine River Operations Orange County |
2,200 | 2 | 0 | |
|
Garfield WSC Travis County |
1,950 | 5 | 1 | |
|
Slc WSC Limestone County |
1,749 | 7 | 5 | |
|
Inv Nylon Chemicals Americas Victoria SI Victoria County |
1,500 | 1 | 0 | |
|
Kaufman County MUD 9 Kaufman County |
1,473 | 2 | 0 | |
|
Glendale WSC Trinity County |
1,458 | 10 | 4 | |
|
Harris County MUD 261 Harris County |
1,452 | 1 | 0 | |
|
Spicewood Beach Burnet County |
1,452 | 1 | 0 | |
|
San Augustine Rural WSC San Augustine County |
1,450 | 2 | 0 | |
|
Rivercrest WS Travis County |
1,437 | 2 | 1 | |
|
Federal Correctional Institution la Tuna El Paso County |
1,400 | 7 | 3 | |
|
Zapata County San Ygnacio and Ramireno Zapata County |
1,254 | 6 | 1 | |
|
City of Rogers Bell County |
1,200 | 4 | 1 | |
|
Harris County MUD 255 Harris County |
1,185 | 4 | 1 | |
|
Western Pines MHP Harris County |
1,170 | 2 | 0 | |
|
Three Community WSC Henderson County |
1,128 | 6 | 1 | |
|
Rehobeth WSC Panola County |
1,095 | 4 | 2 | |
|
City of Jamaica Beach Galveston County |
1,075 | 4 | 2 | |
|
Cottage Gardens Harris County |
1,047 | 4 | 1 | |
|
Methodist Specialty Hospital Bexar County |
983 | 4 | 1 | |
|
Katy Hockley Regional Water Plant Harris County |
936 | 2 | 0 | |
|
Flint Hills Resources West Nueces County |
900 | 3 | 0 | |
|
Hhsc San Angelo State Supported Living C Tom Green County |
900 | 2 | 0 | |
|
Town of Indian Lake Cameron County |
888 | 2 | 0 | |
|
Riderville WSC Panola County |
837 | 2 | 0 | |
|
Mount Houston Square Harris County |
836 | 1 | 0 | |
|
Lakeway Harbor Subdivision Smith County |
831 | 2 | 1 |
About this data
A system is counted once if any of its violations in the past three years involved Total Haloacetic Acids (HAA5), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Total Haloacetic Acids (HAA5) alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Texas records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.