Tapcensus

Nitrate violations in Texas

428 active public water systems in Texas had a Nitrate violation in the past three years, 52 of them in the latest quarter of EPA's data. What Nitrate is and why it matters.

Health effects: Methemoglobinemia in infants under 6 months: gut bacteria convert nitrate to nitrite, which blocks oxygen transport in blood. Pregnant women should also take precautions. Chronic adult exposure at elevated levels may increase cancer risk.

Systems with a Nitrate violation

Latest quarter first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
Discount Shop Rentals
Lubbock County
20 2 1
Soggy Dollar Camp
Comal County
20 2 0
City of Van Alstyne
Grayson County
10,644 7 0
Brazoria County MUD 25
Brazoria County
5,250 3 0
Coleman County SUD
Coleman County
5,000 6 3
San Antonio Military Medical Center
Bexar County
4,000 2 0
The Consolidated WSC Central System
Houston County
3,878 6 1
Harris County Facility & Property Mgmt
Harris County
3,000 6 0
Airline Crossing
Midland County
1,973 7 1
Jim Wells County Fwsd 1
Jim Wells County
1,950 7 2
City of Naples
Morris County
1,908 11 3
Comanche Harbor & Port Ocall
Hood County
1,764 3 2
Wheeler Municipal Water System
Wheeler County
1,602 4 2
Crystal Farms WSC
Rusk County
1,578 5 0
Kaufman County MUD 9
Kaufman County
1,473 2 0
Concho Rural Water N Concho Lake Estates
Tom Green County
1,470 2 0
Glendale WSC
Trinity County
1,458 10 4
Foxbane Estates PWS
Denton County
1,455 4 0
Federal Correctional Institution la Tuna
El Paso County
1,400 7 3
City of Roscoe
Nolan County
1,238 5 3
Harris County MUD 255
Harris County
1,185 4 1
Mountain View Subdivision
Hood County
1,029 6 0
City of Midland International Airport
Midland County
1,000 1 0
City of Sudan
Lamb County
940 2 0
City of Miles
Runnels County
920 2 0
Flint Hills Resources West
Nueces County
900 3 0
City of Trenton
Fannin County
820 6 0
Fulbrook Subdivision Water Plant
Fort Bend County
807 6 0
Big Sky Drive in
Midland County
800 2 0
Mansfield Park
Bandera County
700 2 1
Permian Lodging
Midland County
700 3 1
7-Eleven Store 36525
Victoria County
662 2 1
Colorado County Wcid 2
Colorado County
654 6 3
Signor Gardendale I
Midland County
650 2 0
Bear Creek Scout Reservation
Kerr County
600 3 1
North University Estates
Lubbock County
600 8 1
Sst Woodlands
Harris County
600 7 0
EZ Mart 4383
Bandera County
500 3 1
Travis County Milton Reimers Ranch Park
Travis County
500 1 0
City of Mount Calm
Hill County
474 5 2
Westgate Manufactured Townhome Community
Midland County
456 7 4
Pine Colony Mobile Home Park
Brazoria County
450 11 4
Rock Harbor Estates
Hood County
450 5 1
Buchanan Lake Village
Llano County
425 11 3
Holiday Inn
Harris County
425 6 0
Aledo Mobile Home Park
Parker County
423 6 1
Tpwd Abilene State Park
Taylor County
408 1 0
Nci Building Systems
Harris County
403 5 3
Doucette Water System
Tyler County
399 9 2
Target Hospitality Delaware Lodge
Reeves County
391 5 0
About this data

A system is counted once if any of its violations in the past three years involved Nitrate, including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Nitrate 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.