State
Texas: drinking water records
EPA lists 4,620 community water systems serving homes in Texas. 1,123 took part in EPA's national PFAS survey (UCMR 5), and 611 found at least one PFAS above the level laboratories can measure.
In focus4,620community water systems
Public records. Clearer context.
0
ZIP reports published
4,620
community water systems
1,695
systems with a health-based violation since 2016
202
systems that reached the lead action level since 2016
Counties
- Anderson County 24 systems
- Andrews County 2 systems
- Angelina County 23 systems
- Aransas County 6 systems
- Archer County 7 systems
- Armstrong County 2 systems
- Atascosa County 9 systems
- Austin County 13 systems
- Bailey County 4 systems
- Bandera County 25 systems
- Bastrop County 26 systems
- Baylor County 2 systems
- Bee County 7 systems
- Bell County 32 systems
- Bexar County 42 systems
- Blanco County 7 systems
- Borden County 1 systems
- Bosque County 26 systems
- Bowie County 17 systems
- Brazoria County 156 systems
- Brazos County 10 systems
- Brewster County 7 systems
- Briscoe County 4 systems
- Brooks County 2 systems
- Brown County 10 systems
- Burleson County 22 systems
- Burnet County 33 systems
- Caldwell County 9 systems
- Calhoun County 13 systems
- Callahan County 6 systems
- Cameron County 21 systems
- Camp County 7 systems
- Carson County 4 systems
- Cass County 15 systems
- Castro County 4 systems
- Chambers County 29 systems
- Cherokee County 27 systems
- Childress County 7 systems
- Clay County 9 systems
- Cochran County 3 systems
- Coke County 4 systems
- Coleman County 3 systems
- Collin County 36 systems
- Collingsworth County 4 systems
- Colorado County 14 systems
- Comal County 34 systems
- Comanche County 6 systems
- Concho County 3 systems
- Cooke County 21 systems
- Coryell County 12 systems
- Cottle County 2 systems
- Crane County 2 systems
- Crockett County 3 systems
- Crosby County 5 systems
- Culberson County 2 systems
- Dallam County 5 systems
- Dallas County 33 systems
- Dawson County 4 systems
- DeWitt County 4 systems
- Deaf Smith County 2 systems
- Delta County 4 systems
- Denton County 79 systems
- Dickens County 4 systems
- Dimmit County 7 systems
- Donley County 5 systems
- Duval County 6 systems
- Eastland County 13 systems
- Ector County 8 systems
- Edwards County 2 systems
- El Paso County 17 systems
- Ellis County 24 systems
- Erath County 17 systems
- Falls County 11 systems
- Fannin County 23 systems
- Fayette County 9 systems
- Fisher County 4 systems
- Floyd County 3 systems
- Foard County 3 systems
- Fort Bend County 177 systems
- Franklin County 4 systems
- Freestone County 20 systems
- Frio County 4 systems
- Gaines County 4 systems
- Galveston County 26 systems
- Garza County 3 systems
- Gillespie County 15 systems
- Glasscock County 1 systems
- Goliad County 4 systems
- Gonzales County 7 systems
- Gray County 5 systems
- Grayson County 40 systems
- Gregg County 16 systems
- Grimes County 18 systems
- Guadalupe County 14 systems
- Hale County 12 systems
- Hall County 7 systems
- Hamilton County 2 systems
- Hansford County 3 systems
- Hardeman County 7 systems
- Hardin County 21 systems
- Harris County 688 systems
- Harrison County 24 systems
- Hartley County 2 systems
- Haskell County 9 systems
- Hays County 52 systems
- Hemphill County 1 systems
- Henderson County 61 systems
- Hidalgo County 24 systems
- Hill County 38 systems
- Hockley County 7 systems
- Hood County 49 systems
- Hopkins County 14 systems
- Houston County 9 systems
- Howard County 3 systems
- Hudspeth County 6 systems
- Hunt County 29 systems
- Hutchinson County 7 systems
- Irion County 2 systems
- Jack County 3 systems
- Jackson County 8 systems
- Jasper County 19 systems
- Jeff Davis County 4 systems
- Jefferson County 17 systems
- Jim Hogg County 1 systems
- Jim Wells County 6 systems
- Johnson County 57 systems
- Jones County 6 systems
- Karnes County 5 systems
- Kaufman County 34 systems
- Kendall County 16 systems
- Kenedy County 2 systems
- Kent County 2 systems
- Kerr County 67 systems
- Kimble County 2 systems
- King County 1 systems
- Kinney County 3 systems
- Kleberg County 9 systems
- Knox County 8 systems
- La Salle County 4 systems
- Lamar County 9 systems
- Lamb County 8 systems
- Lampasas County 4 systems
- Lavaca County 3 systems
- Lee County 6 systems
- Leon County 15 systems
- Liberty County 68 systems
- Limestone County 18 systems
- Lipscomb County 4 systems
- Live Oak County 6 systems
- Llano County 15 systems
- Loving County 1 systems
- Lubbock County 25 systems
- Lynn County 5 systems
- Madison County 6 systems
- Marion County 10 systems
- Martin County 2 systems
- Mason County 1 systems
- Matagorda County 25 systems
- Maverick County 2 systems
- McCulloch County 5 systems
- McLennan County 54 systems
- McMullen County 2 systems
- Medina County 28 systems
- Menard County 1 systems
- Midland County 12 systems
- Milam County 11 systems
- Mills County 3 systems
- Mitchell County 5 systems
- Montague County 10 systems
- Montgomery County 324 systems
- Moore County 6 systems
- Morris County 5 systems
- Motley County 3 systems
- Nacogdoches County 16 systems
- Navarro County 22 systems
- Newton County 8 systems
- Nolan County 4 systems
- Nueces County 12 systems
- Ochiltree County 3 systems
- Oldham County 4 systems
- Orange County 26 systems
- Palo Pinto County 13 systems
- Panola County 17 systems
- Parker County 69 systems
- Parmer County 4 systems
- Pecos County 5 systems
- Polk County 55 systems
- Potter County 4 systems
- Presidio County 5 systems
- Rains County 6 systems
- Randall County 11 systems
- Reagan County 2 systems
- Real County 8 systems
- Red River County 7 systems
- Reeves County 4 systems
- Refugio County 5 systems
- Roberts County 2 systems
- Robertson County 9 systems
- Rockwall County 7 systems
- Runnels County 5 systems
- Rusk County 33 systems
- Sabine County 9 systems
- San Augustine County 13 systems
- San Jacinto County 31 systems
- San Patricio County 14 systems
- San Saba County 5 systems
- Schleicher County 1 systems
- Scurry County 4 systems
- Shackelford County 3 systems
- Shelby County 20 systems
- Sherman County 2 systems
- Smith County 37 systems
- Somervell County 8 systems
- Starr County 9 systems
- Stephens County 4 systems
- Sterling County 1 systems
- Stonewall County 3 systems
- Sutton County 1 systems
- Swisher County 3 systems
- Tarrant County 75 systems
- Taylor County 14 systems
- Terrell County 1 systems
- Terry County 3 systems
- Throckmorton County 1 systems
- Titus County 5 systems
- Tom Green County 17 systems
- Travis County 88 systems
- Trinity County 18 systems
- Tyler County 18 systems
- Upshur County 13 systems
- Upton County 4 systems
- Uvalde County 10 systems
- Val Verde County 14 systems
- Van Zandt County 21 systems
- Victoria County 10 systems
- Walker County 21 systems
- Waller County 40 systems
- Ward County 6 systems
- Washington County 10 systems
- Webb County 7 systems
- Wharton County 13 systems
- Wheeler County 4 systems
- Wichita County 9 systems
- Wilbarger County 8 systems
- Willacy County 4 systems
- Williamson County 39 systems
- Wilson County 12 systems
- Winkler County 2 systems
- Wise County 43 systems
- Wood County 17 systems
- Yoakum County 2 systems
- Young County 6 systems
- Zapata County 4 systems
- Zavala County 4 systems
ZIP reports
Sources
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.