1. 1. 78 6255 633370Carrizo - Wilcox (subcrop)KNOX FANNINB R A Z O SSubsidence Districts74. Real-Edwards C & R DistrictRed RiverR E DGroesbeck CreekC O L O R A D OR I O G R A N D ELAKEQUITMANHENDERSON PANOLAT R I N I T YCreekN U E C E S2. Bandera County RA & GWDC A N A D I A NCreekS A B I N EN E C H E SGRAPEVINEBENBROOKLAKECreekG U A D A L U P ECreekCreekCreekLeon RiverCreekHAMILTONR I CreekO G R A N D EN U E C E SS U L P H U RCYPRESSS A N A N T O N I OBedias CreekS A N J A C I N T OCreekL AVA C ASAN ANTONIO-NUECESYear CreekBRAZOS-COLORADOGullyHARDINBayouNECHESTRINITYCreekCAMPSAN JACINTOBRAZOSCOLORADOLAVACAOre CreekNorth Fork Chambers CreekLAVACA-GUADALUPESabine LakeTrinityBayGalvestonBayMatagordaBaySanAntonioBayCreekAransas BayEast BayWest BayEspiritu BayBucknersCopanoBayTAILINGPONDSCorpus ChristiBayBaffin BayLaguna MadreEast Matagorda BayRed RiverALAN HENRYRESERVOIRALCOALAKEANZALDUASCHANNEL DAMAQUILLALAKEB ASTEINHAGENLAKEBARDWELLLAKE69BAYLORLAKEBELTONLAKEBRADY CREEKRESERVOIRBRANDY BRANCHCOOLING PONDBRAZORIARESERVOIRBRYANUTILITIESLAKECADDOLAKECALAVERASLAKECANYONLAKERaices CreekCASABLANCALAKECEDAR BAYOUGENERATING PONDCEDAR CREEKRESERVOIRCOLORADOCEDAR CREEKRESERVOIRTRINITYCHAMPIONCREEKRESERVOIRCHOKECANYONRESERVOIRCOLETOCREEKRESERVOIR COX LAKE / RAWWATER LAKE /RECYCLE LAKEDELTALAKEWichita RiverE V SPENCERESERVOIREAGLELAKEEAGLEMOUNTAINLAKEEAGLE NESTLAKE /MANOR LAKEELLISONCREEKRESERVOIRFAIRFIELDLAKEFARMER'SCREEKRESERVOIRFORESTGROVERESERVOIRGIBBONSCREEKRESERVOIRGRANGERLAKELAKEGREENBELTLAKEGULF COAST WATERAUTHORITY RESERVOIRHORDSCREEKLAKEHOUSTONCOUNTYLAKELAKEDIVERSIONHUBBARDCREEKRESERVOIRHUBERT HMOSS LAKEIMPERIALRESERVOIRINKSLAKEDevils RiverINTERNATIONALAMISTADRESERVOIRRetamia CreekINTERNATIONALFALCONRESERVOIRJIMCHAPMANLAKEJOE POOLLAKEJOHNSONCREEKRESERVOIRLAKEABILENELAKE AMONG CARTERLAKEANAHUACLAKEARLINGTONLAKEARROWHEADLAKEATHENSLAKEAUSTINLAKE BALLINGER/ LAKE MOONENLOVINGLAKECreekBALMORHEALAKEBASTROPLAKE BOBSANDLINLAKEBONHAMLAKEBRIDGEPORTLAKEBROWNWOODLAKEBUCHANANLAKECHEROKEELAKECISCOLAKECLYDELAKECOLEMANLAKECOLORADOCITYLAKECONROELAKE CORPUSCHRISTIRESERVOIRLAKECREEKLAKELAKECROOKLAKECYPRESSSPRINGSCedar CreekLAKEDANIELLAKEDUNLAPLAKEELECTRALAKE FORKRESERVOIRLAKE FORTPHANTOMHILLLAKEGEORGETOWNLAKEGILMERLAKEGLADEWATERLAKEGRAHAMLAKEGRANBURYLAKEHALBERTLAKEHOUSTONLAKE J BTHOMASLAKEJACKSONVILLELAKEKEMPLAKEKICKAPOOLAKEKIRBYLAKEKURTHLAKELEONLAKELIMESTONELAKELIVINGSTONLAKE LYNDONB JOHNSONLAKEMARBLEFALLSLAKEMCQUEENEYLAKEMEREDITHLAKEMEXIALAKEMURVAULLAKENACOGDOCHESLAKENASWORTHYLAKE O'THE PINESLAKE OLNEY/ LAKECOOPERLAKEPALESTINELAKE PALOPINTOLAKE PATCLEBURNELAKEPAULINELAKE RAYHUBBARDLAKE RAYROBERTSLAKESTAMFORDLAKESTRIKERLAKESULPHURSPRINGSLAKESWEETWATERLAKETAWAKONILAKETEXANALAKETEXOMALAKETRAVISLAKETYLERLAKEWACOLAKEWALTER ELONGLAKEWAXAHACHIELAKEWEATHERFORDLAKEWHITNEYLAKEWICHITALAKEWINTERS/NEWLAKE WINTERSLAKEWORTHLAVONLAKELEWIS CREEKRESERVOIRLEWISVILLELAKELOMAALTALAKELOST CREEKRESERVOIRCreekMACKENZIERESERVOIRMARTINLAKEPecan BayouMEDINALAKEMILLERSCREEKRESERVOIRMITCHELLCOUNTYRESERVOIRMONTICELLORESERVOIRMOUNTAINCREEK LAKEMUD LAKE NO. 4MUSTANG LAKEEAST/MUSTANGLAKE WESTNAVARROMILLSLAKENEW TERRELLCITY LAKENORTH FORKBUFFALO CREEKRESERVOIRNORTHLAKEO CFISHERLAKEO H IVIERESERVOIROAK CREEKRESERVOIRPALO DURORESERVOIRPAT MAYSELAKEPEACOCK SITE1A TAILINGSRESERVOIRPINKSTONRESERVOIRPOSSUMKINGDOMLAKEPROCTORLAKERANDELLLAKERED BLUFFRESERVOIRRED DRAWRESERVOIRRICHLAND-CHAMBERSRESERVOIRRIVERCRESTLAKESAM RAYBURNRESERVOIRSANTAROSALAKESHELDONRESERVOIRSMITHERSLAKESOMERVILLELAKESOUTH TEXASPROJECTRESERVOIRSQUAW CREEKRESERVOIRSTILLHOUSEHOLLOW LAKESULPHUR SPRINGSDRAW STORAGERESERVOIRTOLEDO BENDRESERVOIRTRADINGHOUSECREEKRESERVOIRTRINIDADLAKERiverTWIN BUTTESRESERVOIR TWIN OAKRESERVOIRVALLEYACRESRESERVOIRVALLEYLAKEVICTORBRAUNIGLAKEWALLISVILLELAKEWELSHRESERVOIRWHITERIVERLAKEWHITEROCKLAKEWILLIAMHARRISRESERVOIRWRIGHTPATMANLAKETAILINGPONDSNO. 2COFFEEMILL LAKELAKELAKE HAWKINSHOLBROOKLAKE WINNSBOROLAKEKIOWABARNEYM DAVISRESERVOIRTRUSCOTTBRINE LAKELAKE RITABLANCASANESTEBANLAKENATURALDAM LAKEJ.D. MURPHREEWILDLIFEIMPOUNDMENTADDICKSRESERVOIRBARKERRESERVOIRBUFFALOLAKELAKENACONICHELOWER RUNNINGWATER DRAW WSSCS SITE 2LOWER RUNNINGWATER DRAW WSSCS SITE 3Guadalupe RiverCypress CreekBrazosRiverLavacaRiverSan Jacinto RiverCanadian RiverTrinityRiverSabine RiverPrairie Dog Town Fork of the RedRiverTrinity RiverCypress CreekNueces RiverColorado RiverSulphur RiverMedina RiverNuecesRiverRed RiverCanadianRiverSanAntonio RiverBrazos RiverSabine RiverKickapoo CreekCreekRio GrandeVillageCreekSalt BayouIndian CreekPalo PintoRock CreekClearCreekChicken CreekCreekYgnacio CreekPine CreekCreekAlamitoFlat CreekCaney CreekCreekSaladoArroyoTortugasCreekTranquitas CreekBedias CreekAnderson CreekRockToyahMorgan CreekValleyCreekBull CreekCedar Lake CreekPecos RiverHome CreekBosque RiverCrabappleCreekTorneros CreekShooter CreekMoras CreekElm CreekMission RiverNolan RiverWhite Rock CreekLuce BayouNorth Fork of theWhite Rock CreekLagarto CreekPine Island BayouSpring CreekPalo Duro CreekSalt Fork of the RedRiverRed OakCreekResaca del Rancho ViejoPeachLandreth DrawSocagee CreekPecosRiverAngelinaRiverTails CreekWalnut CreekArroyoCaddo CreekSalt CreekOld RiverTaylor BayouComanche CreekYegua CreekDeer CreekL lano RiverPedernales RiverIsinglass CanyonSanFernandoCreekSalt CreekNorth Sulphur RiverBig CowCreekFarmers CreekFlat Fork CreekSanta Gertrudis CreekConcho RiverSalt DrawLake Fork CreekBuffalo BayouOak CreekClear Fork Trinity RiverIndependence CreekTiawichi CreekCowleech ForkMaravillas CanyonSan Saba RiverFourmile DrawSan FranciscoCreekSalt DrawPec os RiverNavasotaRiverGarcitasCreekP atroon BayouSalt CreekArroyo del Tigre GrandeSouthSulphur RiverGaucho CreekHousen BayouRichland CreekWest Forkof the TrinityRiverSouth ForkBig Sandy CreekLos Olmos CreekLittle Wichita RiverFrioRiverCree kDrawSmoky CreekPeach CreekGreen PondPunta de Agua CreekFivemileCreekValley ProngSaus CreekCow CreekBlue CreekElm Fork Trinity RiverLittle RiverPecos RiverDeep CreekSan Marcos RiverBeals CreekDuck CreekKuy CreekMill CreekAlamo ArroyoSycamore CreekKeechie CreekHarris CreekHurricane BayouBull CreekDevils RiverGlenn DrawCanyonPintoWillow CreekBig CreekMustang DrawHoward DrawBlue Creek1Glenn CreekElm CreekOyster BayouCreekFresnoSweetwater CreekCedar CreekWillow C reekCochinoBayouShawnee CreekCatfish CreekHill CreekAquilla CreekColoma CreekLarrison CreekHickory CreekBrushy CreekRush CreekBuck CreekJohnson CreekMiddle Alamosa CreekAlamocitos CreekOso CreekRabbs CreekBrushy CreekCow CreekCow CreekBox CreekHurricane CreekPinto CreekMaverick CanalEl Moro CreekSanderson CanyonBig SandyBear CreekPin OakCreekJones CreekLos Olmos CreekIndian CreekVerde CreekChildressCreekNelsons CreekPulliamCreekDoloresRomeroCreekRabbit CreekCrooked CreekBig CreekLake CreekLittle RiverSandy CreekBoggy CreekTrujillo CreekSan Lorenzo CreekTerlingua CreekClarks Cr eekNewBoggy CreekBelknap CreekCow BayouKeechi CreekSulphur CreekSalt CreekMaverick CanalEast Fork San Jacinto RiverTunas CreekBigFielder DrawSierrita de la Cruz CreekTenmile CreekMinneosa CreekSkull CreekRocky CreekNeches RiverLong King CreekSpring CreekNichols CreekManahuilla CreekPetronila CreekCabeza CreekCottonwood CreekMartin CreekBluff CreekWest DixonBig Pine CreekIronTehuacana CreekDelaware RiverBig CreekLozier CanyonSan Ro que CreekHackberry DrawCuthand CreekSan AmbrosiaCyress CreekKeechi CreekLangtryCreekRed Light DrawSanta Isabel CreekCourtney CreekPecan BayouTule CreekSlaughterCreekCherokeeOldRiverLittle Brazos RiverGaiman CreekMillersCreekPond C reekTornillo CreekMenard CreekLake CreekDeep CreekCedar CreekLive Oak CreekPaluxy Ri verLasElmCreekTehuacanaCreekOyster CreekWhite Oak CreekBlack CreekCedarBayouLasCow BayouResacade los GuatesNorth Croton CreekWichita RiverCiboloCreekEcleto CreekCumminsCreekJaboncillasLittle Cypress BayouBuck CreekSalt Forkof theBrazos RiverBois CreekFrioDrawPiney CreekPease RiverNavidad RiverOnion CreekMulberry CreekClear Fork of the Brazos RiverCherry CreekWest Nueces RiverAransas RiverBarrilla DrawOyster CreekGrapeCiboloLampasas RiverEscondidoCreekPicosa CreekSouth Tule DrawBaluarte CreekPaint CreekJim NedCreekElm CreekKings CreekMiddle Concho RiverBrady CreekBlackwater DrawCoon CreekEast Fork Trinity RiverBeaver CreekChispa CreekEast Fork Angelina RiverWhiteRiverSan Gabriel RiverBear CreekBayou CarrizoRita Blanca CreekHolliday CreekElmCreekNorth Llano RiverBeech CreekMud CreekMiddle Bosque RiverNorth ConchoRiverMelon CreekAtascosa RiverGalamityEvans CreekMaravillas CreekTierra Blanca CreekMiddle YeguaCreekMeridian CreekLipan CreekNorthTule DrawSouth LlanoRiverMeyers CanyonBitter CreekRough CreekCarroll CreekKickapoo CreekJohnson ForkBarton CreekWildhorse CreekCroton CreekDunbar DrawAyish BayouBovido CreekChambers CreekLittle Aguja CanyonThickety CreekWild Horse DrawMedio CreekMelhomesCreekSan Miguel CreekLower Fourmile DrawDry CreekJames RiverTrout CreekWickson CreekBlack HillsAttoyacBayouBeccero CreekLacy Fork CreekCrystal CreekMayhawPoor HollowGranger DrawFoyle CreekTurkey CreekLas Ovejas CreekSolomoneno CreekMixon CreekSchneeman DrawBig Aguja CanyonGuayule CreekKimball CreekLongKent CreekMiddleSulphur RiverMiller CreekNegro CreekDryNineteen DrawEsperanza CreekBayou LocoBig Elm CreekNorthCreekTurkey CreekBuckley DrawDry CreekWhitefish CreekBig Rocky CreekTantabogue Cre ekGroveEast BernardCreekHarral DrawCavett CreekImperalist CreekDonahue CreekMcKay CreekMiddlePease RiverFernando CreekPerdiz CreekBrays BayouSouthNeilsCreekChina DrawSouth Wichita RiverNorthClaytonDrawCarrizitos CreekMiddle Valley ProngSixshooter DrawEast Mill CreekYork CreekEast ForkBeaver CreekSteeleCreekParadise CreekWest Mi ll CreekBig Blanket CreekRitaBlanca CreekCypress CreekEast ForkSalado CreekTimber CreekSister Grove CreekCienega CreekMustang DrawHurds Pass DrawNorthMadera CanyonTurkeyCreekArenosaCreekDolan CreekWinters BayouSan Martine DrawSandy ForkLittle PineIsland BayouBlanco CreekPlum CreekSandy CreekDavidsonCreekMaxon CreekNinemile DrawNorth PeaseRiverWest Mustang CreekCypress CreekBlanco CreekDry Frio RiverBigCanyonDenton CreekSabinal RiverJohnson DrawNorthFork Double Mountain Fork of the Brazos RiveLeona RiverBlanco RiverSulphur Springs DrawPecan CreekHog CreekOwl CreekMetate CreekCalifornia CreekMonument DrawYellow HouseDrawDove CreekOpposum CreekCopperas CreekBrushy CreekStriker CreekSabanaHubbard CreekSeco CreekPilot Grove CreekCowhouse CreekJohnson DrawBorrego CreekMaynard CreekSanDiego CreekKiowa CreekEast ForkEast Sandy CreekScatter CreekEppsCreekWood Hollow CreekGrape CreekAmargosa CreekWes t Mud CreekEightmile DrawSouthWest Rocky CreekBig Brushy CreekLazy CreekPena Colorado CreekCoryell CreekMesquite CreekWilson CreekDry DrawNorth Llano DrawBig Onion CreekResley CreekDugout CreekGoat CreekPinoakCreekWest Yegua CreekCallahan DrawWeedy CreekMailtrail CreekBattleBennett CreekSout hLeon RiverSimms CreekPaint CreekTheuvenins CreekBerry CreekLagunillas CreekWest Sandy CreekSouth Concho RiverSterling CreekNinePoint DrawPalo Blanco CreekTurkey CreekTeepee DrawSouth Fork San Gabriel RiverRed Bluff CreekChaparrosa CreekBuckhorn DrawChalk DrawCarrizo CreekQuitaque CreekMiddle Tule DrawNorth Fork San Gabriel RiverCentralia DrawElm CreekTongue RiverRunning Water DrawSalt Prong CreekCatfish DrawMonahans DrawSeminole DrawMidland DrawLucas CreekRosita CreekSquirrel CreekTurkey CreekLaParita CreekWardswell DrawMcKenzie DrawCoyanos DrawLost DrawHitson DrawPaisanoBig JimDrawFrisco CreekSouth Well DrawGarcias CreekBeaver RiverEightmile DrawJames BayouMammothCreekBarkmanCreekWasson DrawBlack BayouMudAntelopeFrazier CreekNorthPalo Duro CreekKiowa CreekMiller DrawLeon CreekWashita RiverSouth PaloDu roCreekSulphur DrawWolf CreekColdwater CreekGILLESPIEKENDALLCOMALBANDERAGUADALUPEBEXARMEDINAWILSONATASCOSAFRIO KARNESREDRIVERLAMARBOWIEDELTATITUSFRANKLINHOPKINSMORRIS CASSLEONROBERTSONMADISONBRAZOSBURLESONWASHINGTONLLANOLEEBLANCOBASTROPHAYSFAYETTECALDWELLLIVE OAKBEEMCMULLENREFUGIOARANSASSANPATRICIOJIMWELLSDUVALNUECESKLEBERGKENEDYBROOKSMILLSCORYELLSAN SABALAMPASASBELLMILAMGLASSCOCKSTERLINGCOKETOMGREENREAGAN IRION CONCHOCROCKETTSCHLEICHERMENARDMASONSUTTON KIMBLESHELBYNACOGDOCHESSANAUGUSTINESABINEHOUSTONANGELINANEWTONJASPERPOLK TYLERSANJACINTOWOODRAINSUPSHURMARIONVANZANDT HARRISONGREGGRUSKCHEROKEEANDERSONGONZALESLAVACADEWITTJACKSONVICTORIAGOLIADCALHOUNWALKERMONTGOMERYLIBERTYWALLERHARRISAUSTINCOLORADOCHAMBERSFORTBENDWHARTONBRAZORIAGALVESTONMATAGORDABOSQUE HILLFREESTONEMCLENNANLIMESTONEFALLSHIDALGOWILLACYCAMERONVALVERDEEDWARDSREALKINNEYUVALDEMAVERICKZAVALADIMMITLASALLEHUNTWISE DENTONCOLLINROCKWALLPARKERDALLASTARRANTKAUFMANELLISHOOD JOHNSONERATHNAVARROHARDEMANWILBARGERCOTTLEFOARD WICHITACLAYMONTAGUEBAYLOR ARCHERJACKYOUNGGAINES DAWSON BORDENANDREWS MARTIN HOWARDWINKLER ECTOR MIDLANDREEVESWARDCRANEUPTONPECOSTERRELLDALLAMSHERMANHANSFORD OCHILTREELIPSCOMBHARTLEYMOOREHUTCHINSONROBERTS HEMPHILLOLDHAM POTTER CARSON GRAY WHEELERDEAFSMITHRANDALLARMSTRONG DONLEY COLLINGSWORTHPARMERCASTRO SWISHER BRISCOE HALLCHILDRESSEL PASOHUDSPETHCULBERSONJEFFDAVISPRESIDIOBREWSTERJEFFERSONORANGEBAILEY LAMB HALE FLOYDMOTLEYCOCHRAN HOCKLEY LUBBOCK CROSBYDICKENSKINGYOAKUM TERRY LYNN GARZAWEBBZAPATA JIM HOGGSTARRGRAYSONCOOKEKENT STONEWALL HASKELL THROCKMORTONSCURRY FISHER JONESSHACKELFORD STEPHENSMITCHELLNOLANTAYLORCALLAHANEASTLANDCOMANCHERUNNELSCOLEMANBROWNBURNETWILLIAMSONTRAVISSMITHKERRGRIMESMCCULLOCHTRINITYPALOPINTOSOMERVELLPlateau (J)SouthCentralTexas (L)NorthEastTexas (D)Region HLowerColorado (K)EastTexas (I)CoastalBend (N)Region FLavaca(P)RioGrande(M)Region CBrazos GLlanoEstacado (O)Far WestTexas (E)Panhandle (A)Region BAnnual PrecipitationProjected PopulationUnique Reservoir Sites!MuensterLake Ralph HallTehuacana!Little RiverLittle River(Off-Channel)Allens CreekTexana Stage II!!!!99979837962328244520428367104121224215445434013341114383529 161727251239301931261833216164585996738592607274575675676871 51479350895387825286484679888449 959465819054836677809176Sulphur 524.5CypressSabine 378.01,837.8Trinity-San Jacinto39.1Red578.7Brazos1,641.1Colorado1,170.0Rio Grande1,184.4Trinity2,708.8Nueces185.9Canadian48.1Neches2,328.1Guadalupe273.9NuecesRio Grande8.9SanJacinto324.1San 61.2AntonioLavaca79.3Brazos-Colorado 21.4San Antonio-Nueces 1.7Neches-Trinity79.0San Jacinto-Brazos 58.7Colorado-Lavaca 4.2Lavaca-Guadalupe 0.4782 6411141316315912105!!!!!!!!!!!!! !!! !!!!!!!!!!!!!!!!!! !!!!!! !!!!!!!!! !!! !! !!!!!!!!!!!!!! !!!!!!!!!!!!! !! !!!!!! !!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!! !!!! !!!!!!!!!!! !!!!!!!! !!! !! !!!!!!!!!!!!!!!!!!!!!!!!! !!! !!!!! !!!!!!!!!!!! !!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!! !!!! !!!!! !!!!!!!!!!!! !!!!!!!!!!!!!!!!!! !!!!!!!!!!!! !!!!!!!!! !! !!!!!!! !!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!! !!! !!!!!!!!!!! !!! !!!!! !! !!!! !!!!!!!!!! !!!! !!!!!! !!!!!!!!!!!!!!!!!!!!! ! !!!!!!!!!!!!! ! !!!!!!!!! !!!!!!!! !!!! !!!!! !!!!!!!! !!!!!!!!!!! !!!!!!!!!!!!!!!!!!!! !!!!!!!! !! 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!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!! !!!!!!!! !! !!!!!!!!!!!!!!!! !!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!! !!!!!!!!!!!!!! !!! !!!!!!!!!!!!!!!Existing Major ReservoirsMajor Rivers and StreamsRiver Basin BoundariesCounty Boundaries!(!(!(!(!(!( !(!(!( !(!( !(!( !(!( !( !(!( !( !(!(!( !( !( !( !( !(!( !( !(!(( !( !( !(!( !( !!((!( !( !(!(!( !( !( !( !( !( !(!( !(!(!(!(!(!( !(!(!(!( !( !( !( !(!( !( !(!(!( !( !( !(!(!( !( !( !( !( !( !( !(!(!(!( !( !( !( !( !( !(!(!( !( !( !( !( !( !( !( !( !( !( !(!(!( !( !(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !( !( !( !(!( !( !( !( !( !( !(!( !( !( !( !( !(!( !( !( !(!( !( !( !!( !( !( !( !( !(!( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!(!( !( !(!(!( !( !(!( !( !( !( !( !( !( !( !(!( !( !( !( !(!( !(!( !(!( !( !( !(!( !(!( !( !( !( !( !( !( !( !( !( !(!( !( !(!( !( !( !( !( !( !( !( !(!(!( !(!( !( !(!( !( !( !( !( !( !(!(!(!(!( !( !( !( !( !( !(!( !( !( !(!( !( !( !( !( !(!(!( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !( !(!( !(!( !( !( !(!( !( !(!( !(!(!(!( !( !( !( !(!( !( !(!( !( !( !( !( !(!( !( !( !( !( !( !(!( !( !( !( !(!(!(!(!( !( !(!(!(!( !( !(!(!(!(!( !(!(!(!(!(!(!( !(!(!(!(!(!( !( !( !(!(!(!(!(!( !( !( !( !( !( !( !( !( !(!(!( !( !( !( !( !(!(!(!(!(!(!(!(!(!(!( !(!( !( !( !(!( !(!(!( !( !(!(!(!(!(!(!(!(!( !( !( !( !( !(!( !( !(!!(( !(!( !( !(!(!(!(!(!(!(!(!(!( !( !( !( !( !(!(!( !(!(!( !( !(!(!(!(!(!( !( !( !( !(!( !( !(!( !( !( ( !(!( !( !( (!!( !( !( !( !( !( !(!(!(!( !( !( !(!( !( !( !( !( !(!( !( !( !( !( !( !(!( !( !( !( !( !( !( !(!(!(!(!( !( !( !( !( !( !( !( !(!( !(!!( !( !( !(!(!( !( !(!(!(!(!(!(!(!((!(!(!(!(!!( (!(!(!(!(!(!(!(!(!(!( !( !( !(!(!( !(!(!( !( !(!(!(!(!(!(!(!(!(!(!(!(!( !(!(!(!(!(!(!(!(!( !(!(!(!(!(!(!( !( !!(!(!(!(!(!(!!( (!(!(!(!(!(!(!(!( !(!(!(!(!(!(!(!(!(!(!(!( !(!( !( !(Regional WaterPlanning AreasGroundwaterManagementAreasGroundwaterConservationDistrictsMajor Aquifers Minor Aquifers34. Headwaters GCD35. Hemphill County UWCD36. Hickory UWCD No. 137. High Plains UWCD No.138. Hill Country UWCD39. Hudspeth County UWCD No. 140. Irion County WCD41. Jeff Davis County UWCD42. Kenedy County GCD43. Kimble County GCD44. Kinney County GCD45. Lipan-Kickapoo WCD46. Live Oak UWCD47. Llano Estacado UWCD48. Lone Star GCD49. Lone Wolf GCD50. Lost Pines GCD51. Lower Trinity GCD52. McMullen GCD53. Medina County GCD54. Menard County UWD55. Mesa UWCD56. Mesquite GCD57. Mid-East Texas GCD58. Middle Pecos GCD59. Middle Trinity GCD60. Neches & Trinity Valleys GCD61. North Plains GCD62. North Texas GCD63. Northern Trinity GCD64. Panhandle GCD65. Panola County GCD66. Pecan Valley GCD67. Permian Basin UWCD68. Pineywoods GCD69. Plateau UWC and Supply District91. Trinity Glen Rose GCD92. Upper Trinity GCD93. Uvalde County UWCD94. Victoria County GCD95. Wes-Tex GCD96. Wintergarden GCDHarris-Galveston Subsidence DistrictFort Bend Subsidence District16 201624283236 40 44 48525660565248443228242020161220124036! Texas Water Development Board! U.S. Geological SurveyAngelina-Neches River AuthorityBexar Metropolitan Water DistrictBexar-Medina-Atascosa Counties WCID #1Bistone MWSDBrazos River AuthorityCameron County WID #10Canadian River MWACentral Colorado River AuthorityColorado River MWDDallas County Util. & Reclam. DistrictFranklin County WDGuadalupe-Blanco River AuthorityGulf Coast WALavaca-Navidad River AuthorityLower Colorado River AuthorityLower Neches Valley AuthorityLubbock County WCID 1Mackenzie MWANortheast Texas MWDNorth Texas MWDNorth Central Texas MWANueces River AuthorityPalo Duro River AuthorityPalo Pinto County MWD 1Red River AuthoritySabine River AuthoritySan Antonio River AuthoritySan Jacinto River AuthoritySulphur River AuthoritySulphur River MWDSulphur Springs WDTarrant Regional WD and WCIDTitus County FWSD 1Trinity River AuthorityUpper Colorado River AuthorityWhite River MWDUpper Guadalupe River AuthorityUpper Neches River MWAWest Central Texas MWDRiver AuthoritiesandSpecial Law DistrictsNote: Map reflects authority and district statutoryboundaries and does not necessarily represent service areas.Surface Water Availabilityby Basin in 2010Real-Time StreamgagesBlack CypressBayouOyster BayouArmand BayouBig CreekAustin BayouBastrop BayouCedar CreekLakeChoza CreekDavis MountainsPreserve StreamsCienega CreekAlamito CreekRio GrandeIndependenceCreekNueces RiverSan Marcos RiverComal RiverSabinal RiverFrio RiverPecan BayouBlack Cypress CreekMenard CreekBig CreekMcKittrick Canyon CreekUnique Stream SegmentsAvailability by Basin(1,000 acre-feet per year)Jim BertramLake 07Lake 08PostMillers CreekReservoir AugmentationCedar RidgeTurkey Peak ReservoirWheeler BranchCoryell County Reservoir(Off-Channel)GoldthwaiteNueces Off-channelReservoirBrownsville WeirBrushy CreekRinggoldLowerBois d'ArcMarvinNicholsLake ColumbiaLake FastrillBediasGrowth12Annual Average Rainfall (in inches)1971-2000Water Level Measuring Sitesand Measuring AgenciesTexas Water2012Water Level DeclineBrazos River AlluviumWest Texas BolsonsLipan (outcrop)Lipan (subcrop)Yegua JacksonIgneousSparta (outcrop)Sparta (subcrop)Queen City (outcrop)Queen City (subcrop)Nacatoch (outcrop)Nacatoch (subcrop)Blossom (outcrop)Blossom (subcrop)Woodbine (outcrop)Woodbine (subcrop)Rita BlancaEdwards -Trinity (High Plains)Dockum (outcrop)Dockum (subcrop)Rustler (outcrop)Rustler (subcrop)Capitan Reef ComplexBlaine (outcrop)Blaine (subcrop)Bone Spring - Victorio PeakMarble FallsMarathonEllenburger - San Saba (outcrop)Ellenburger - San Saba (subcrop)Hickory (outcrop)Hickory (subcrop)Pecos ValleySeymourGulf CoastCarrizo - Wilcox (outcrop)Hueco - Mesilla BolsonOgallalaEdwards - Trinity Plateau (outcrop)Edwards - Trinity Plateau (subcrop)Edwards BFZ (outcrop)Edwards BFZ (subcrop)Trinity (outcrop)Trinity (subcrop)Confirmed Districts1. Anderson County UWCD3. Barton Springs/Edwards Aquifer CD4. Bee GCD5. Blanco-Pedernales GCD6. Bluebonnet GCD7. Brazoria County GCD8. Brazos Valley GCD9. Brewster County GCD10. Brush Country GCD11. Central Texas GCD12. Clear Fork GCD13. Clearwater UWCD14. Coastal Bend GCD15. Coastal Plains GCD16. Coke County UWCD17. Colorado County GCD18. Corpus Christi ASRCD19. Cow Creek GCD20. Crockett County GCD21. Culberson County GCD22. Duval County GCD23. Edwards Aquifer Authority24. Evergreen UWCD25. Fayette County GCD26. Fox Crossing Water District27. Garza County UWCD28. Gateway GCD29. Glasscock GCD30. Goliad County GCD31. Gonzales County UWCD32. Guadalupe County GCD33. Hays Trinity GCD70. Plum Creek CD71. Post Oak Savannah GCD72. Prairelands GCD73. Presidio County UWCD75. Red River GCD76. Red Sands GCD77. Refugio GCD78. Rolling Plains GCD79. Rusk County GCD80. San Patricio County GCD81. Sandy Land UWCD82. Santa Rita UWCD83. Saratoga UWCD84. South Plains UWCD85. Southeast Texas GCD86. Southern Trinity GCD87. Starr County GCD88. Sterling County UWCD89. Sutton County UWCD90. Texana GCDDrawdown (feet)< 50 or undetermined50 - 100100 - 200200 - 300300 - 400400 - 500500 - 800> 800Measuring Agency! Cooperators!( StreamgagesMajor Streams1216202428323640444852566064Unconfirmed DistrictsLavaca County GCDCalhoun County GCDTerrell County GCD0 - 56 - 1011 - 2021 - 5051 - 100101 - 200201 - 500501 - 1,0001,001 - 2,000> 2,0000 37.5 75 150Miles1:2,500,000Population growth rate2010 to 2060 (percent change)> 10050 to 10025 to 500 to 25< 0Designated by the Texas LegislatureRecommended in the 2011 Regional Water Plansand the 2012 State Water PlanDesignated by the Texas LegislatureRecommended in the 2011 Regional Water Plansand the 2012 State Water PlanWater Supplies From Management Strategies in the State Water Plan (Acre-Feet/Year)Projected Population GrowthProjected Water Demand and Exisiting Supplies (Acre-Feet/Year) Unmet Water Supply Needs (Acre Feet/Year)OUR MISSIONTo provide leadership, planning, financial assistance,information, and education for the conservation andresponsible development of water for Texas.MAP DISCLAIMERThis map was generated by the Texas Water Development Boardusing GIS (Geographical Information System) software. No claimsare made to the accuracy or completeness of the information shownherein nor to its suitability for a particular use. The scale and locationof all mapped data are approximate.Map created on 04/09/2012 by Erik O'Brian - TWDB Mapping CoordinatorProjected Need for Additional Water in Times of Drought (Acre-Feet/Year)