Skip to content
AquaCensus

Texas public water systems

7,076 active systems regulated under the Safe Drinking Water Act, serving a reported 33.2M people across 311 counties.

Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

7,076

Population served

33.2M

Community systems

4,593

Groundwater share

78.5%

System types in Texas

4,593

Community water system

860

Non-transient non-community water system

1,623

Transient non-community water system

Largest water systems in Texas

The largest active public water systems in Texas by population served
#Water systemCountyPopulation servedTypeSource
1City of HoustonHarris2,970,543CommunitySurface water
2San Antonio Water SystemBexar2,113,151CommunityPurchased surface water
3Dallas Water UtilityDallas1,356,479CommunitySurface water
4City of Austin Water & WastewaterTravis1,115,323CommunitySurface water
5City of Fort WorthTarrant955,900CommunitySurface water
6El Paso Water Utilities Public Service BEl Paso747,168CommunitySurface water
7City of ArlingtonTarrant413,955CommunitySurface water
8City of Corpus ChristiNueces318,387CommunitySurface water
9City of PlanoCollin292,059CommunityPurchased surface water
10Lubbock Public Water SystemLubbock275,041CommunitySurface water
11City of IrvingDallas264,546CommunityPurchased surface water
12City of LaredoWebb260,046CommunitySurface water
13City of GarlandDallas248,822CommunityPurchased surface water
14City of FriscoCollin231,910CommunityPurchased surface water
15City of MckinneyCollin224,043CommunityPurchased surface water
16City of Grand PrairieDallas201,843CommunityPurchased surface water
17Amarillo Municipal Water SystemPotter201,291CommunitySurface water
18Brownsville Public Utilities BoardCameron201,249CommunitySurface water
19City of GeorgetownWilliamson191,639CommunitySurface water
20Mcallen Public UtilityHidalgo189,957CommunitySurface water
21Dallas Fort Worth International AirportDallas177,673Non-transient non-communityPurchased surface water
22North Alamo WSCHidalgo171,195CommunitySurface water
23City of Midland Water Purification PlantMidland157,000CommunitySurface water
24City of MesquiteDallas152,020CommunityPurchased surface water
25City of PasadenaHarris152,000CommunityPurchased surface water

By county

Harris1,235 systemsMontgomery438 systemsBrazoria310 systemsFort Bend286 systemsTravis137 systemsHays117 systemsTarrant109 systemsKerr98 systemsParker98 systemsComal93 systemsLiberty92 systemsDenton89 systemsBexar78 systemsHenderson74 systemsGillespie70 systemsWaller67 systemsLubbock66 systemsBandera66 systemsPolk65 systemsBurnet61 systemsHood61 systemsJohnson61 systemsWise59 systemsMcLennan57 systemsChambers55 systemsMidland55 systemsGalveston54 systemsWilliamson50 systemsGrayson50 systemsSmith45 systemsKendall45 systemsVictoria44 systemsColorado44 systemsOrange42 systemsMatagorda42 systemsHill39 systemsSan Jacinto37 systemsVal Verde36 systemsDallas36 systemsRusk35 systemsCollin35 systemsKaufman34 systemsBosque32 systemsHarrison32 systemsMedina32 systemsEl Paso32 systemsWharton31 systemsCameron31 systemsRandall31 systemsWalker30 systemsBell30 systemsUvalde29 systemsHidalgo29 systemsEllis29 systemsHunt29 systemsGrimes28 systemsCherokee28 systemsErath28 systemsAnderson28 systemsBurleson27 systemsHardin27 systemsJefferson26 systemsAngelina26 systemsJasper26 systemsCooke25 systemsBlanco25 systemsAustin24 systemsEctor23 systemsFannin23 systemsBastrop23 systemsTom Green23 systemsLimestone22 systemsNavarro22 systemsLlano22 systemsFreestone22 systemsVan Zandt22 systemsCalhoun22 systemsBowie21 systemsShelby21 systemsPanola21 systemsTrinity21 systemsWashington21 systemsSan Patricio20 systemsWood20 systemsTyler19 systemsNueces19 systemsHale19 systemsJackson19 systemsReeves19 systemsTaylor19 systemsLeon18 systemsGregg17 systemsPalo Pinto17 systemsNacogdoches16 systemsMontague15 systemsPotter15 systemsCass15 systemsWebb14 systemsUpshur14 systemsWilson14 systemsMarion14 systemsHopkins14 systemsGuadalupe14 systemsSan Augustine14 systemsBrewster14 systemsCoryell13 systemsLive Oak13 systemsDimmit13 systemsFayette13 systemsEastland13 systemsAransas13 systemsMoore12 systemsReal12 systemsFalls12 systemsSomervell12 systemsKleberg12 systemsAtascosa12 systemsSabine12 systemsLamb12 systemsCulberson12 systemsWinkler11 systemsMilam11 systemsHutchinson11 systemsStarr11 systemsBrazos11 systemsDeWitt10 systemsRobertson10 systemsJeff Davis10 systemsClay10 systemsPecos10 systemsNewton10 systemsJim Wells10 systemsHouston9 systemsLavaca9 systemsDuval9 systemsWichita9 systemsSan Saba9 systemsLamar9 systemsGray9 systemsHaskell9 systemsWard9 systemsHockley9 systemsKarnes9 systemsCaldwell8 systemsBee8 systemsKnox8 systemsBrown8 systemsWilbarger8 systemsHudspeth8 systemsDonley8 systemsGaines8 systemsHoward8 systemsMadison8 systemsChildress8 systemsMcCulloch7 systemsCamp7 systemsLee7 systemsHall7 systemsPresidio7 systemsGonzales7 systemsRed River7 systemsRockwall7 systemsArcher7 systemsGoliad7 systemsHardeman7 systemsRefugio6 systemsGarza6 systemsMitchell6 systemsCrosby6 systemsLa Salle6 systemsNolan6 systemsJones6 systemsCoke6 systemsHamilton6 systemsDeaf Smith6 systemsTitus6 systemsCarson6 systemsYoung6 systemsRains6 systemsLynn6 systemsComanche6 systemsFrio6 systemsMartin5 systemsYoakum5 systemsKimble5 systemsAndrews5 systemsDickens5 systemsBriscoe5 systemsRunnels5 systemsDawson5 systemsJack5 systemsMorris5 systemsParmer5 systemsOldham5 systemsWheeler5 systemsCallahan5 systemsLipscomb4 systemsDelta4 systemsScurry4 systemsDallam4 systemsZapata4 systemsCollingsworth4 systemsZavala4 systemsCastro4 systemsFloyd4 systemsFranklin4 systemsOchiltree4 systemsKinney4 systemsSutton4 systemsSwisher4 systemsFisher4 systemsHansford4 systemsLampasas4 systemsConcho4 systemsBrooks4 systemsWillacy4 systemsKenedy4 systemsUpton4 systemsStephens4 systemsMills4 systemsMotley3 systemsGlasscock3 systemsArmstrong3 systemsShackelford3 systemsIrion3 systemsFoard3 systemsColeman3 systemsStonewall3 systemsTerry3 systemsLoving3 systemsMcMullen3 systemsReagan3 systemsKent3 systemsCochran3 systems
Chaffee2 systems
Baylor2 systems
Roberts2 systems
Crockett2 systems
Manistee2 systems
Fremont2 systems
Terrell2 systems
Lycoming2 systems
Crane2 systems
Sherman2 systems
Edwards2 systems
Gunnison2 systems
Champaign2 systems
Hartley2 systems
Maverick2 systems
Borden2 systems
Hemphill2 systems
Bailey2 systems
Valencia2 systems
Frederick2 systems
San Joaquin2 systems
Monterey2 systems
Cottle2 systems
Miller2 systems
La Plata2 systems
Huntingdon1 systems
Sevier1 systems
King William1 systems
Cleveland1 systems
Tulsa1 systems
Cumberland1 systems
Taos1 systems
Humboldt1 systems
Beaver1 systems
Adams1 systems
Throckmorton1 systems
Schleicher1 systems
Roseau1 systems
Grand Traverse1 systems
Menard1 systems
Otter Tail1 systems
San Miguel1 systems
Jim Hogg1 systems
Conejos1 systems
Snyder1 systems
Monroe1 systems
Calcasieu Parish1 systems
King1 systems
York1 systems
Chester1 systems
Calvert1 systems
Wayne1 systems
Stark1 systems
Idaho1 systems
Queen Anne's1 systems
Mason1 systems
Umatilla1 systems
Rio Blanco1 systems
Sterling1 systems
Barry1 systems
Carroll1 systems
Clarion1 systems
Charlevoix1 systems
Stanislaus1 systems
Rio Grande1 systems
Sonoma1 systems
Ascension Parish1 systems
Lafayette Parish1 systems
St. Landry Parish1 systems
Mendocino1 systems
Larimer1 systems
Caddo Parish1 systems
Reynolds1 systems
Canyon1 systems
Richland1 systems
Allegan1 systems
St. Tammany Parish1 systems