Texas Tap Water Quality
Explore tap water quality data for counties across Texas. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.
Total Counties
254
Communities with public water systems
Total Population
30,860,201
Residents served by public water systems
Water Systems
4,702
Public water systems statewide
Serious Violators
407
Systems with serious violations
Counties
254
With water systems
Population
30,860,201
Served by water systems
Water Systems
4,702
Total water systems
Violators
407
Systems with serious violations
Searching by your address yields the most accurate results. Searching by town or water system may not show all systems due to how the EPA categorizes data. Some towns may be listed under counties, and water system boundaries don't always align with town boundaries.
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Texas Counties
Anderson
Population: 84,289
Water Systems: 24
Andrews
Population: 14,331
Water Systems: 2
Angelina
Population: 102,412
Water Systems: 21
Aransas
Population: 18,566
Water Systems: 9
Archer
Population: 8,667
Water Systems: 7
Armstrong
Population: 1,450
Water Systems: 2
Atascosa
Population: 45,000
Water Systems: 8
Austin
Population: 22,396
Water Systems: 21
Bailey
Population: 5,188
Water Systems: 2
Bandera
Population: 15,606
Water Systems: 25
Bastrop
Population: 125,634
Water Systems: 18
Baylor
Population: 5,655
Water Systems: 2
Bee
Population: 21,506
Water Systems: 7
Bell
Population: 406,038
Water Systems: 29
Bexar
Population: 2,353,649
Water Systems: 47
Blanco
Population: 7,983
Water Systems: 7
Borden
Population: 275
Water Systems: 1
Bosque
Population: 19,770
Water Systems: 26
Bowie
Population: 92,198
Water Systems: 18
Brazoria
Population: 367,994
Water Systems: 161
Brazos
Population: 292,399
Water Systems: 11
Brewster
Population: 8,602
Water Systems: 6
Briscoe
Population: 1,258
Water Systems: 4
Brooks
Population: 4,698
Water Systems: 2
Brown
Population: 46,048
Water Systems: 8
Burleson
Population: 14,985
Water Systems: 23
Burnet
Population: 38,327
Water Systems: 38
Caldwell
Population: 32,672
Water Systems: 7
Calhoun
Population: 20,906
Water Systems: 13
Callahan
Population: 13,770
Water Systems: 5
Cameron
Population: 409,944
Water Systems: 22
Camp
Population: 18,648
Water Systems: 8
Carson
Population: 4,226
Water Systems: 4
Cass
Population: 23,101
Water Systems: 14
Castro
Population: 5,844
Water Systems: 4
Chambers
Population: 45,843
Water Systems: 27
Cherokee
Population: 56,182
Water Systems: 27
Childress
Population: 7,533
Water Systems: 7
Clay
Population: 8,768
Water Systems: 8
Cochran
Population: 2,137
Water Systems: 3
Coke
Population: 2,484
Water Systems: 4
Coleman
Population: 10,150
Water Systems: 3
Collin
Population: 1,163,978
Water Systems: 35
Collingsworth
Population: 2,792
Water Systems: 4
Colorado
Population: 13,366
Water Systems: 14
Comal
Population: 177,462
Water Systems: 31
Comanche
Population: 10,854
Water Systems: 6
Concho
Population: 6,326
Water Systems: 4
Cooke
Population: 41,091
Water Systems: 19
Coryell
Population: 72,104
Water Systems: 13
Cottle
Population: 1,264
Water Systems: 2
Crane
Population: 3,150
Water Systems: 1
Crockett
Population: 3,800
Water Systems: 1
Crosby
Population: 4,937
Water Systems: 5
Culberson
Population: 2,098
Water Systems: 2
Dallam
Population: 8,704
Water Systems: 2
Dallas
Population: 2,952,723
Water Systems: 34
Dawson
Population: 10,313
Water Systems: 4
Deaf Smith
Population: 16,589
Water Systems: 2
Delta
Population: 6,739
Water Systems: 4
Denton
Population: 764,186
Water Systems: 91
Dewitt
Population: 17,684
Water Systems: 4
Dickens
Population: 1,504
Water Systems: 5
Dimmit
Population: 9,467
Water Systems: 7
Donley
Population: 2,893
Water Systems: 5
Duval
Population: 12,404
Water Systems: 6
Eastland
Population: 19,519
Water Systems: 13
Ector
Population: 142,802
Water Systems: 7
Edwards
Population: 2,136
Water Systems: 2
El Paso
Population: 950,340
Water Systems: 25
Ellis
Population: 227,711
Water Systems: 32
Erath
Population: 31,599
Water Systems: 18
Falls
Population: 19,490
Water Systems: 10
Fannin
Population: 41,235
Water Systems: 23
Fayette
Population: 20,281
Water Systems: 9
Fisher
Population: 4,329
Water Systems: 4
Floyd
Population: 4,610
Water Systems: 3
Foard
Population: 1,367
Water Systems: 3
Fort Bend
Population: 805,288
Water Systems: 166
Franklin
Population: 17,692
Water Systems: 4
Freestone
Population: 26,226
Water Systems: 20
Frio
Population: 14,534
Water Systems: 4
Gaines
Population: 11,634
Water Systems: 5
Galveston
Population: 394,275
Water Systems: 25
Garza
Population: 5,678
Water Systems: 2
Gillespie
Population: 14,692
Water Systems: 15
Glasscock
Population: 450
Water Systems: 1
Goliad
Population: 2,333
Water Systems: 4
Gonzales
Population: 22,023
Water Systems: 6
Gray
Population: 20,239
Water Systems: 5
Grayson
Population: 150,800
Water Systems: 40
Gregg
Population: 142,017
Water Systems: 15
Grimes
Population: 23,403
Water Systems: 18
Guadalupe
Population: 191,564
Water Systems: 16
Hale
Population: 29,691
Water Systems: 13
Hall
Population: 3,260
Water Systems: 7
Hamilton
Population: 4,250
Water Systems: 2
Hansford
Population: 4,442
Water Systems: 3
Hardeman
Population: 4,036
Water Systems: 7
Hardin
Population: 61,732
Water Systems: 21
Harris
Population: 5,037,239
Water Systems: 692
Harrison
Population: 68,371
Water Systems: 26
Hartley
Population: 640
Water Systems: 2
Haskell
Population: 4,882
Water Systems: 9
Hays
Population: 276,372
Water Systems: 51
Hemphill
Population: 2,300
Water Systems: 1
Henderson
Population: 128,903
Water Systems: 63
Hidalgo
Population: 889,472
Water Systems: 25
Hill
Population: 49,280
Water Systems: 39
Hockley
Population: 16,406
Water Systems: 7
Hood
Population: 65,076
Water Systems: 52
Hopkins
Population: 42,752
Water Systems: 14
Houston
Population: 28,603
Water Systems: 9
Howard
Population: 31,062
Water Systems: 3
Hudspeth
Population: 5,159
Water Systems: 6
Hunt
Population: 121,059
Water Systems: 30
Hutchinson
Population: 23,824
Water Systems: 7
Irion
Population: 931
Water Systems: 2
Jack
Population: 5,357
Water Systems: 3
Jackson
Population: 11,768
Water Systems: 11
Jasper
Population: 31,910
Water Systems: 19
Jeff Davis
Population: 1,654
Water Systems: 4
Jefferson
Population: 248,844
Water Systems: 17
Jim Hogg
Population: 5,003
Water Systems: 1
Jim Wells
Population: 23,899
Water Systems: 7
Johnson
Population: 228,613
Water Systems: 59
Jones
Population: 15,923
Water Systems: 6
Karnes
Population: 21,466
Water Systems: 5
Kaufman
Population: 202,653
Water Systems: 31
Kendall
Population: 32,174
Water Systems: 17
Kenedy
Population: 256
Water Systems: 2
Kent
Population: 740
Water Systems: 2
Kerr
Population: 49,378
Water Systems: 75
Kimble
Population: 2,590
Water Systems: 2
King
Population: 291
Water Systems: 1
Kinney
Population: 3,620
Water Systems: 3
Kleberg
Population: 33,295
Water Systems: 9
Knox
Population: 3,626
Water Systems: 8
La Salle
Population: 7,287
Water Systems: 4
Lamar
Population: 58,638
Water Systems: 9
Lamb
Population: 11,510
Water Systems: 8
Lampasas
Population: 28,387
Water Systems: 4
Lavaca
Population: 5,717
Water Systems: 3
Lee
Population: 25,800
Water Systems: 6
Leon
Population: 21,854
Water Systems: 19
Liberty
Population: 96,153
Water Systems: 70
Limestone
Population: 25,524
Water Systems: 20
Lipscomb
Population: 2,554
Water Systems: 4
Live Oak
Population: 8,282
Water Systems: 6
Llano
Population: 36,914
Water Systems: 19
Loving
Population: 165
Water Systems: 1
Lubbock
Population: 298,843
Water Systems: 30
Lynn
Population: 4,938
Water Systems: 5
Madison
Population: 11,201
Water Systems: 6
Marion
Population: 11,180
Water Systems: 10
Martin
Population: 2,546
Water Systems: 2
Mason
Population: 2,228
Water Systems: 1
Matagorda
Population: 35,758
Water Systems: 25
Maverick
Population: 55,900
Water Systems: 2
Mcculloch
Population: 6,321
Water Systems: 6
Mclennan
Population: 281,355
Water Systems: 55
Mcmullen
Population: 918
Water Systems: 2
Medina
Population: 74,677
Water Systems: 30
Menard
Population: 1,471
Water Systems: 1
Midland
Population: 147,873
Water Systems: 15
Milam
Population: 33,143
Water Systems: 11
Mills
Population: 2,114
Water Systems: 3
Mitchell
Population: 8,537
Water Systems: 5
Montague
Population: 12,720
Water Systems: 10
Montgomery
Population: 664,769
Water Systems: 316
Moore
Population: 19,470
Water Systems: 5
Morris
Population: 10,622
Water Systems: 5
Motley
Population: 864
Water Systems: 3
Nacogdoches
Population: 82,497
Water Systems: 17
Navarro
Population: 67,291
Water Systems: 22
Newton
Population: 10,846
Water Systems: 9
Nolan
Population: 16,804
Water Systems: 4
Nueces
Population: 367,859
Water Systems: 12
Ochiltree
Population: 8,652
Water Systems: 3
Oldham
Population: 1,765
Water Systems: 4
Orange
Population: 72,332
Water Systems: 29
Palo Pinto
Population: 39,076
Water Systems: 13
Panola
Population: 23,213
Water Systems: 18
Parker
Population: 111,790
Water Systems: 72
Parmer
Population: 8,055
Water Systems: 4
Pecos
Population: 18,493
Water Systems: 5
Polk
Population: 64,698
Water Systems: 57
Potter
Population: 201,766
Water Systems: 4
Presidio
Population: 7,586
Water Systems: 5
Rains
Population: 12,472
Water Systems: 6
Randall
Population: 19,492
Water Systems: 14
Reagan
Population: 2,965
Water Systems: 2
Real
Population: 4,363
Water Systems: 8
Red River
Population: 17,103
Water Systems: 7
Reeves
Population: 15,196
Water Systems: 4
Refugio
Population: 4,829
Water Systems: 5
Roberts
Population: 494
Water Systems: 2
Robertson
Population: 15,930
Water Systems: 11
Rockwall
Population: 111,214
Water Systems: 7
Runnels
Population: 10,606
Water Systems: 5
Rusk
Population: 54,922
Water Systems: 34
Sabine
Population: 19,485
Water Systems: 10
San Augustine
Population: 6,737
Water Systems: 15
San Jacinto
Population: 32,357
Water Systems: 31
San Patricio
Population: 65,046
Water Systems: 14
San Saba
Population: 6,892
Water Systems: 5
Schleicher
Population: 1,951
Water Systems: 1
Scurry
Population: 12,300
Water Systems: 4
Shackelford
Population: 4,924
Water Systems: 3
Shelby
Population: 28,029
Water Systems: 20
Sherman
Population: 2,322
Water Systems: 3
Smith
Population: 259,449
Water Systems: 38
Somervell
Population: 6,879
Water Systems: 7
Starr
Population: 69,535
Water Systems: 9
Stephens
Population: 10,669
Water Systems: 4
Sterling
Population: 888
Water Systems: 1
Stonewall
Population: 939
Water Systems: 3
Sutton
Population: 2,766
Water Systems: 1
Swisher
Population: 5,706
Water Systems: 3
Tarrant
Population: 2,090,656
Water Systems: 79
Taylor
Population: 166,689
Water Systems: 14
Terrell
Population: 800
Water Systems: 1
Terry
Population: 10,592
Water Systems: 3
Throckmorton
Population: 720
Water Systems: 1
Titus
Population: 35,220
Water Systems: 5
Tom Green
Population: 119,315
Water Systems: 17
Travis
Population: 1,509,773
Water Systems: 88
Trinity
Population: 20,958
Water Systems: 18
Tyler
Population: 21,555
Water Systems: 18
Upshur
Population: 39,726
Water Systems: 13
Upton
Population: 2,731
Water Systems: 4
Uvalde
Population: 26,170
Water Systems: 10
Val Verde
Population: 44,467
Water Systems: 16
Van Zandt
Population: 52,322
Water Systems: 21
Victoria
Population: 73,754
Water Systems: 13
Walker
Population: 75,867
Water Systems: 22
Waller
Population: 52,203
Water Systems: 34
Ward
Population: 11,150
Water Systems: 6
Washington
Population: 25,962
Water Systems: 10
Webb
Population: 273,041
Water Systems: 7
Wharton
Population: 26,944
Water Systems: 13
Wheeler
Population: 3,804
Water Systems: 4
Wichita
Population: 151,708
Water Systems: 9
Wilbarger
Population: 11,857
Water Systems: 8
Willacy
Population: 16,093
Water Systems: 4
Williamson
Population: 616,757
Water Systems: 39
Wilson
Population: 58,068
Water Systems: 16
Winkler
Population: 7,547
Water Systems: 2
Wise
Population: 39,470
Water Systems: 42
Wood
Population: 68,644
Water Systems: 19
Yoakum
Population: 6,855
Water Systems: 2
Young
Population: 20,660
Water Systems: 6
Zapata
Population: 17,075
Water Systems: 4
Zavala
Population: 11,003
Water Systems: 4