How many Texas water systems are over the federal PFAS limit?

103 public water systems in Texas had at least one PFAS above a federal maximum contaminant level in EPA UCMR 5 testing (2023–2025). Each one is listed on this page with its actual levels and the filter that removes them.

PFAS in Texas water

The EPA tested public water systems across Texas for 29 PFAS. In 103 of them, at least one came back above a federal limit. Find your system below — you'll get the actual levels, our plain verdict on each compound, and the filter that genuinely removes it. We sell nothing.

Not listed? Your system may not have been sampled, or nothing exceeded a limit — see the national picture.

439 Wsc 2 over the limit
Big Oaks Mud 1 over the limit
Brownsville Public Utilities Board 2 over the limit
Cash Sud 1 over the limit
City Of Abilene 3 over the limit
City Of Arlington 1 over the limit
City Of Austin Water & Wastewater 1 over the limit
City Of Balch Springs 1 over the limit
City Of Baytown 1 over the limit
City Of Bedford 1 over the limit
City Of Big Spring 2 over the limit
City Of Boerne 3 over the limit
City Of Cameron 2 over the limit
City Of Childress 1 over the limit
City Of Clyde 3 over the limit
City Of Cockrell Hill 2 over the limit
City Of Colleyville 1 over the limit
City Of Copperas Cove 1 over the limit
City Of Deer Park 1 over the limit
City Of Donna 1 over the limit
City Of Dublin 1 over the limit
City Of Duncanville 1 over the limit
City Of Edinburg 1 over the limit
City Of Farmers Branch 1 over the limit
City Of Forney 1 over the limit
City Of Fort Worth 3 over the limit
City Of Galena Park 1 over the limit
City Of Georgetown 2 over the limit
City Of Grand Prairie 2 over the limit
City Of Grapevine 2 over the limit
City Of Greenville, Tx 1 over the limit
City Of Haltom City 3 over the limit
City Of Hillsboro 1 over the limit
City Of Hudson Oaks 1 over the limit
City Of Huntsville 2 over the limit
City Of Irving 1 over the limit
City Of Keller 2 over the limit
City Of La Feria 1 over the limit
City Of Lake Worth 2 over the limit
City Of League City 1 over the limit
City Of Levelland 1 over the limit
City Of Livingston, Tx 2 over the limit
City Of Midland Water Purification Plant 2 over the limit
City Of Midlothian 1 over the limit
City Of North Richland Hills 2 over the limit
City Of Pasadena 1 over the limit
City Of Pearland 1 over the limit
City Of Pflugerville 3 over the limit
City Of Point 1 over the limit
City Of Port Lavaca 2 over the limit
City Of San Benito 1 over the limit
City Of San Juan 1 over the limit
City Of Seagoville 1 over the limit
City Of South Houston 1 over the limit
City Of Southlake 2 over the limit
City Of Sugar Land 1 over the limit
City Of Taylor 1 over the limit
City Of Temple 1 over the limit
City Of Terrell 1 over the limit
City Of Tye 3 over the limit
City Of University Park 2 over the limit
City Of Weatherford 1 over the limit
City Of Webster 1 over the limit
City Of Weslaco 1 over the limit
City Of West University Place 1 over the limit
City Of White Settlement 1 over the limit
Clear Brook City Mud 1 over the limit
Clear Lake City Water Authority 1 over the limit
College Mound Sud 1 over the limit
Dallas Water Utility 2 over the limit
Dyess Air Force Base 3 over the limit
East Rio Hondo Wsc 2 over the limit
El Jardin Wsc 2 over the limit
El Paso Water Utilities Public Service B 1 over the limit
Eula Wsc 3 over the limit
Fort Bend County Mud 133 1 over the limit
Fort Bend County Mud 142 1 over the limit
Fort Bend County Mud 165 1 over the limit
Gastonia Scurry Sud 1 over the limit
Gbra Calhoun County Rural Water System 2 over the limit
Harris County Mud 8 1 over the limit
Harris County Wcid 1 1 over the limit
Hawley Wsc 3 over the limit
Jonah Water Sud 2 over the limit
Macbee Sud 1 over the limit
Manville Wsc 3 over the limit
Montgomery Trace 1 over the limit
Mountain Peak Sud 1 over the limit
Olmito Wsc 1 over the limit
Potosi Wsc 3 over the limit
Sharyland Wsc 2 over the limit
Sjwtx Triple Peak Plant 2 over the limit
South Tawakoni Wsc 1 over the limit
Spencer Road Pud 2 over the limit
Springs Hill Wsc 1 over the limit
Talty Sud 1 over the limit
Tanglewood On Texoma 1 over the limit
Town Of Anthony 2 over the limit
Town Of Flower Mound 1 over the limit
Town Of Prosper 1 over the limit
Travis County Wcid 10 1 over the limit
West Bell County Wsc 1 over the limit
Windermere Community 1 over the limit

Source: US EPA UCMR 5 occurrence data, 2023–2025. · All states