BRAZOS RED COLORADO RIO GRANDE TRINITY NUECES CANADIAN NECHES SABINE GUADALUPE NUECES RIO GRANDE SULPHUR CYPRESS SAN ANTONIO SAN JACINTO LAVACA SAN ANTONIO-NUECES BRAZOS-COLORADO NECHES TRINITY SAN JACINTO BRAZOS COLORADO LAVACA LAVACA-GUADALUPE Sabine Lake Trinity Bay Galveston Bay Matagorda Bay San Antonio Bay Aransas Bay East Bay West Bay Espiritu Bay Copano Bay Corpus Christi Bay Baffin Bay Laguna Madre East Matagorda Bay Red Ri ver ALAN HENRY RESERVOIR ALCOA LAKE ANZALDUAS CHANNEL DAM AQUILLA LAKE B A STEINHAGEN LAKE BARDWELL LAKE BAYLOR LAKE BELTON LAKE BENBROOK LAKE BRADY CREEK RESERVOIR BRANDY BRANCH COOLING POND BRAZORIA RESERVOIR BRYAN UTILITIES LAKE CADDO LAKE CALAVERAS LAKE CANYON LAKE CASA BLANCA LAKE CEDAR BAYOU GENERATING POND CEDAR CREEK RESERVOIR COLORADO CEDAR CREEK RESERVOIR TRINITY CHAMPION CREEK RESERVOIR CHOKE CANYON RESERVOIR COLETO CREEK RESERVOIR COX LAKE / RAW WATER LAKE / RECYCLE LAKE DELTA LAKE E V SPENCE RESERVOIR EAGLE LAKE EAGLE MOUNTAIN LAKE EAGLE NEST LAKE / MANOR LAKE ELLISON CREEK RESERVOIR FAIRFIELD LAKE FARMER'S CREEK RESERVOIR FOREST GROVE RESERVOIR GIBBONS CREEK RESERVOIR GRANGER LAKE GRAPEVINE LAKE GREENBELT LAKE GULF COAST WATER AUTHORITY RESERVOIR HORDS CREEK LAKE HOUSTON COUNTY LAKE HUBBARD CREEK RESERVOIR HUBERT H MOSS LAKE IMPERIAL RESERVOIR INKS LAKE INTERNATIONAL AMISTAD RESERVOIR INTERNATIONAL FALCON RESERVOIR JIM CHAPMAN LAKE JOE POOL LAKE JOHNSON CREEK RESERVOIR LAKE ABILENE LAKE AMON G CARTER LAKE ANAHUAC LAKE ARLINGTON LAKE ARROWHEAD LAKE ATHENS LAKE AUSTIN LAKE BALLINGER / LAKE MOONEN LAKE BALMORHEA LAKE BASTROP LAKE BOB SANDLIN LAKE BONHAM LAKE BRIDGEPORT LAKE BROWNWOOD LAKE BUCHANAN LAKE CHEROKEE LAKE CISCO LAKE CLYDE LAKE COLEMAN LAKE COLORADO CITY LAKE CONROE LAKE CORPUS CHRISTI RESERVOIR LAKE CREEK LAKE LAKE CROOK LAKE CYPRESS SPRINGS LAKE DANIEL LAKE DIVERSION LAKE DUNLAP LAKE ELECTRA LAKE FORK RESERVOIR LAKE FORT PHANTOM HILL LAKE GEORGETOWN LAKE GILMER LAKE GLADEWATER LAKE GRAHAM LAKE GRANBURY LAKE HALBERT LAKE HOUSTON LAKE J B THOMAS LAKE JACKSONVILLE LAKE KEMP LAKE KICKAPOO LAKE KIRBY LAKE KURTH LAKE LEON LAKE LIMESTONE LAKE LIVINGSTON LAKE LYNDON B JOHNSON LAKE MARBLE FALLS LAKE MCQUEENEY LAKE MEREDITH LAKE MEXIA LAKE MURVAUL LAKE NACOGDOCHES LAKE NASWORTHY LAKE O' THE PINES LAKE OLNEY / LAKE COOPER LAKE PALESTINE LAKE PALO PINTO LAKE PAT CLEBURNE LAKE PAULINE LAKE RAY HUBBARD LAKE RAY ROBERTS LAKE STAMFORD LAKE STRIKER LAKE SULPHUR SPRINGS LAKE SWEETWATER LAKE TAWAKONI LAKE TEXANA LAKE TEXOMA LAKE TRAVIS LAKE TYLER LAKE WACO LAKE WALTER E LONG LAKE WAXAHACHIE LAKE WEATHERFORD LAKE WHITNEY LAKE WICHITA LAKE WINTERS/NEW LAKE WINTERS LAKE WORTH LAVON LAKE LEWIS CREEK RESERVOIR LEWISVILLE LAKE LOMA ALTA LAKE LOST CREEK RESERVOIR MACKENZIE RESERVOIR MARTIN LAKE MEDINA LAKE MILLERS CREEK RESERVOIR MITCHELL COUNTY RESERVOIR MONTICELLO RESERVOIR MOUNTAIN CREEK LAKE MUD LAKE NO. 4 MUSTANG LAKE EAST/MUSTANG LAKE WEST NAVARRO MILLS LAKE NEW TERRELL CITY LAKE NORTH FORK BUFFALO CREEK RESERVOIR NORTH LAKE O C FISHER LAKE O H IVIE RESERVOIR OAK CREEK RESERVOIR PALO DURO RESERVOIR PAT MAYSE LAKE PEACOCK SITE 1A TAILINGS RESERVOIR PINKSTON RESERVOIR POSSUM KINGDOM LAKE PROCTOR LAKE RANDELL LAKE RED BLUFF RESERVOIR RED DRAW RESERVOIR RICHLAND-CHAMBERS RESERVOIR RIVER CREST LAKE SAM RAYBURN RESERVOIR SANTA ROSA LAKE SHELDON RESERVOIR SMITHERS LAKE SOMERVILLE LAKE SOUTH TEXAS PROJECT RESERVOIR SQUAW CREEK RESERVOIR STILLHOUSE HOLLOW LAKE SULPHUR SPRINGS DRAW STORAGE RESERVOIR TOLEDO BEND RESERVOIR TRADINGHOUSE CREEK RESERVOIR TRINIDAD LAKE TWIN BUTTES RESERVOIR TWIN OAK RESERVOIR VALLEY ACRES RESERVOIR VALLEY LAKE VICTOR BRAUNIG LAKE WALLISVILLE LAKE WELSH RESERVOIR WHITE RIVER LAKE WHITE ROCK LAKE WILLIAM HARRIS RESERVOIR WRIGHT PATMAN LAKE TAILING PONDS NO. 2 TAILING PONDS COFFEE MILL LAKE LAKE HAWKINS LAKE HOLBROOK LAKE QUITMAN LAKE WINNSBORO LAKE KIOWA BARNEY M DAVIS RESERVOIR TRUSCOTT BRINE LAKE LAKE RITA BLANCA SAN ESTEBAN LAKE NATURAL DAM LAKE J.D. MURPHREE WILDLIFE IMPOUNDMENT ADDICKS RESERVOIR BARKER RESERVOIR BUFFALO LAKE LAKE NACONICHE LOWER RUNNING WATER DRAW WS SCS SITE 2 LOWER RUNNING WATER DRAW WS SCS SITE 3 G u a da l up e Ri ver C yp r ess Cr e e k B r a z o s Riv er L av a c a Ri v er S a n J a c in t o Ri ver Can a dia n R iver T r i n ity R i ve r S ab i n e R i v e r P r a i r ie D o g T o w n F ork o f t h e R ed Ri v e r T rin i ty R i ve r C ypr ess C re e k N u e c e s Ri v er C o lo r a do R ive r S ul p hu r R i ver M e d in a Riv e r N u ece s R i v e r R e d R i v e r Ca na dia n Ri ve r S a n A n t o n i o R i ve r B r a z o s R i v e r Sabi ne R i ver Kic k apo o C re e k R io Gr a n d e V i ll a g e C r e e k S al t B a y o u I n d i a n Cre e k P alo P i n to C re ek R o c k C r e ek C le a r Cree k C h i c k en C re e k Yg n a c i o C r e e k Pi n e C re e k A l am i t o C reek F la t C ree k C a n e y C r e e k A rro y o S a lad o T o rt u g a s C r e ek Tra n q u i t a s C re e k B ed i a s Cr ee k And er so n C re e k R o ck C r e e k T o y a h C r e e k M org a n C ree k V a l l e y C r e e k Bu l l Cree k C e d a r Lake C r e e k Pe c os Riv er Ho me C r e e k Bos que Ri v e r C r ab a p p le C r e e k T or n e ros C reek S h o o t e r C reek E l m C r e e k M i s sio n R i v e r N o l a n R i v e r W h i t e R o c k C reek L u c e B a y o u N ort h Fo r k o f the Re d R iv e r W hite R o c k C r e e k La g art o C r ee k P in e Is l a n d Ba y o u S p r i n g Cr eek Pa lo D uro C r eek S al t F or k of th e Re d R ive r R e d O a k C re e k R e s a c a d e l R a n ch o Viej o P e a c h C r e e k L an d re t h D r a w So c a gee C r e e k P e co s R i v er Ange l i na R i ve r T a i ls C r ee k W a l n ut C r ee k A rro y o C a d d o C r ee k C e d a r C re e k Sal t C r e e k O ld R iv e r T a y l o r B a yo u C oma n c h e C r eek Ye gua Creek D e er C r e e k Ll a n o R i v e r P e d e rn a l e s Ri v e r Is ingl a s s C a n y o n S a n F erna n do C r e e k Sal t C r ee k N ort h Su lph ur Ri v er B i g C o w C r e e k F a r me r s C r e e k F la t F o r k C re e k S a n t a Ger tr u dis C re e k C o n cho R i v er S a l t Dr a w L a ke For k C r e e k B u ff alo B ayo u Oa k C r e e k Cle a r F o r k Tr i n it y R ive r I nd e pe n d e n c e Cre e k Tiawic hi Cr eek C o wl e ech Fo r k M a rav i l las C a n y o n S a n S a b a Riv e r F o u rm i l e Dr aw S a n Fr anc isc o C ree k Sal t D r a w P e c os R iv e r N a v aso t a R iv e r G a r cit a s C r ee k Patro o n Ba y ou Sa l t C re e k A rro y o d e l T ig re Grand e So ut h Sul p h u r R ive r G a uch o Cre e k H o u s en B ayou R i c h land Cr eek We s t F ork of th e T ri n it y R iver S o u th F o r k B ig S andy Cree k L o s Ol m o s C r e e k Pe c a n B a y o u L i t t le W ich ita R i v e r Fr i o R i v er S m o k y C r e e k P ea ch C r e e k G r e e n P ond Gul l y P u nt a d e Agu a C ree k F i v e m i l e C re e k S a u s C r e e k C o w C r e e k B lu e C r e e k El m Fo r k Trin it y R i ve r L i t t l e R i v e r P e c o s R i v e r D ee p C r e e k S a n M a r cos Ri v er Beal s C re e k Du c k C r e e k K u y C ree k Mi l l C r ee k Al amo A r r o y o Syc am o r e C r e e k K eec h ie C ree k Ha rris Cr e ek H urr i c a ne Bay ou B u l l C r e e k D evils R iv e r Gle n n D r a w Pi n t o C a ny on W i l l o w C r e e k Big C r e e k Howa r d D ra w B l u e C r e e k G l e n n C r e ek El m C r e e k O yste r B a y o u F r e sn o C r e e k Sw e e t wa t e r C r e e k Ce d ar C re ek Wil l o w Cr e e k C ochino Ba yo u Shaw n e e C re e k Cat fis h C re e k H i ll C re e k A q u i l l a C r e e k C o lom a Cre e k L a rr i s o n C r e e k H ick ory C r e e k B r u s h y C r e e k R u s h Creek B u c k C r e e k J o hns on C r eek M iddl e A la m o s a C r e e k A l a m o c i t o s C r e e k Oso C r e e k Ra b b s Cr e e k Bru shy C r e ek C o w C re e k Co w C re e k B o x C r e e k H urri c an e C r eek P in to C ree k M a v e ri c k C a n a l El M o ro C r e e k Sa n d e r so n C a n y o n B i g S a n d y C r e e k B ea r C r e e k P i n O a k C r e e k J o n es C r e ek L o s O l m o s C r e e k I n d i a n Cr e e k Ve r d e C re e k C h il dr e s s Cre e k N e l s on s C r e ek P u l l i am C r ee k D o l ores C r e e k R o m e r o C r e e k R ab b i t C r e e k C r o o k e d C r e e k B ig Cre e k L a ke Creek L i tt le R i v e r S a n d y C r e e k B og gy C re e k T r u j il l o C r e ek S a n L o r e n z o C r e e k Te r li n g u a C r e ek C larks C r e e k N e w Y e a r Cr e e k B og gy C ree k B e l k n a p C r e ek C o w B a you Ke e c h i C r e e k S u l p h u r C r e e k S a l t C re ek M av eric k C a n a l E ast F or k San J a ci nt o R i v e r T u nas C r eek B ig F i e l der D r a w S i e r r i ta d e l a C ru z C r e e k Ten mi l e Cr e e k Mi n n e o sa Cr ee k Sku l l Cr e ek Ro c ky Cr e e k B uc kn e rs C r e e k Ne ches R iver L o n g K in g C r e e k S p ri n g C re e k Ni c ho ls C r e e k M a n a h u i lla C r e ek P e tr o n ila C re ek Ca b eza C ree k C o tto nwood C r e e k Mar t in C r e e k B l u f f C r e e k G roe s b e c k C reek W e s t D i x o n Cr e e k B ig P in e C r e e k I ro n O r e Cr e e k T e h u a c a n a C re e k D el a w a r e R ive r B ig C re ek Lo z i e r C a n y o n Sa n Roqu e C reek H a c k b e r ry D r a w C u t h a n d C reek San Amb r o s i a C y re s s C r e e k K eechi C re ek La n g t r y C r e e k R ed Li ght Dra w S a n t a I s a bel C r eek C o u r t n e y C r e e k Pe c a n B a y o u T ule C r e e k S l a u g h te r C r e e k C h er o ke e C r e e k Old R i v er L it t l e B r a zo s R i v e r G aim an C r ee k M iller s Cr e e k P on d Cr e ek Torn il lo Cre e k Me n a r d Cr e e k La ke C r eek D e e p C r e e k Ce da r C re e k L i ve O a k Cr e e k Pa l u xy Ri v e r L a s M o r as C r e e k E l m C re e k T e h u acan a C r eek O y s t er C r e e k Wh i te O a k Creek B l a c k C r e e k C e da r Ba y o u L a s R a i c e s C re e k C o w Ba y o u Re sac a de l os G u a t es N or t h C r o to n C re ek W ic h ita R iv er Cib ol o C r e e k E c le t o C r ee k C u m m i n s Cr e e k J a b o ncill a s C r e e k Li ttle Cy pr es s B ay o u B uck Cr eek S a lt F o r k o f t h e B raz os R iv e r B o is C r e e k F rio D r aw P i ney Cr e e k Pe ase R i v er N a v i d a d Riv e r On i o n C r e e k Mu lb erry Creek C l e a r F o rk o f t he B r a zo s R i ver C h e rry C ree k W e s t N u e c e s R i v e r A r a ns a s Riv e r Ba r r i ll a D r a w O y s t e r C re e k Ci bo lo C reek L a m p a sa s R i ve r E sco n d i d o Cr e e k Pi c o s a Creek S o u th T u le Dr a w B a l u a rt e Cre ek L eon R i v er P a int C r eek Ji m Ne d C r ee k E l m C r e e k Ki ngs C r e ek M i d d le C on c ho R i v er Bra d y Cr e ek Blac kwat er Dr a w Co o n C r e e k E a s t Fo r k Tr ini t y R i v e r B ea v e r Cr e e k C hi s pa C r eek E as t Fo r k A n g e l i n a R i v e r W h it e R i ver S an G abr iel R i v e r B e a r Cr e e k B a y ou C a rr i z o R i ta B l a n c a C r e e k H ol l id ay C r eek E l m C re ek N or t h L lan o Riv e r B e e c h C r e e k M u d C r e ek Midd l e B osq u e Riv e r N o rth Co n ch o R i v er M e l o n C r e e k A t a s c os a R i v e r G a l am it y C reek Ev a n s C r e e k M ara v il l a s C r e e k Tie rra B la n ca C r eek M i ddle Yeg ua C r e ek M er i d ia n C re e k L ipan C r e e k N o r t h T ul e Draw S o ut h L l a n o R iver M e y e r s Ca n y on B i tter C r e ek R o ug h C re e k C a r r ol l C r e e k K i c k a p o o C re ek J o h n s on F o r k B a r t o n C r e e k Wi l d h o rs e C re e k C ro t o n C reek D u n bar D r a w Ay i s h B a y o u B ov i d o C r e e k Cham bers C r eek L i ttle A gu j a Ca n y on T hi c ket y C r e e k W i l d H o r s e Draw Me d io C r e e k M e l h o m e s C r eek S a n Migue l Cre ek L o w er F o u r m i l e D r a w D r y Cre e k Ja m e s R i v e r Tro u t C re e k W ic ks on C r e e k B la c k H i l ls C re e k A tt o ya c B ayo u Bec c e r o C r e e k L a cy Fork Cr e e k C r y s t a l C r e e k M a y h a w Ba y ou P o o r H o ll o w G r a n g e r D r a w Fo yl e C re ek Turk e y C r e e k La s O ve j a s C r ee k S o l o m o nen o C r e ek R e t am ia C reek M i x o n C r e e k S c h nee m an D ra w B i g Ag u j a C a n y o n G u a yul e C r e e k Ki mb a ll C reek L on g K e n t C r e e k M i d d le Sulphur Riv er M i l le r Cr e e k Ne g r o C r e e k D ry De v il s River N in e t e e n D r a w E s pera n z a C r e e k B a y ou L o co B ig Elm C r e e k N o rt h G r a pe C r e e k T u rk e y C r e e k Buc k le y D ra w D r y C r e e k W h i t e f i s h Cr ee k B ig R o cky Cre e k T a n ta b o g u e Cr ee k G r ov e Cr e e k E a s t B e rna r d C r e e k H a r r al D ra w C av e t t C r ee k I mp e r a l i s t Cr ee k D on ah u e C re e k Mc K ay Cr eek Middle Pea s e R i v e r F er n a n d o C reek P erdiz C r ee k B ra y s Ba y o u S o u th Be dia s C re ek Ne ils Cree k China D r a w S o u th W ic h it a R i v e r N o rt h W ic h it a R iv er Clayt o n D r a w C a r r i zi t o s C r e e k M i d dl e V alley P r ong S ix s ho ot e r D r aw Ea s t M i l l C r ee k Y o r k Cr eek E a s t F or k B e a v e r C r e e k St e el e Cr e e k Par a d i s e C r e e k W e st M il l C r ee k Bi g B l a n k e t C r e e k Ri t a Bla n c a Cr e e k C y p r e ss Cr e ek E a s t F o rk S a l a d o C r e e k Ti m be r C re e k S i s te r G r o v e Cre ek C i e ne g a C r e e k M ust ang Dra w H u r d s P a s s D r a w N ort h V a ll e y Pr ong M ader a C a n y o n T u rk e y Cre e k A r e nos a C re e k Do la n C r e ek W int er s Bay o u S a n M a rt i ne D r a w S a ndy F o r k L i t t l e P i n e I s l a n d Ba y ou B la n c o C re e k Pl um C r e e k S a nd y Cr e e k D avi ds o n C re ek Ma xon C r eek Ni n e mil e D r a w N o rt h P eas e R i ver W es t M u s tang C r e ek C ypress Cre e k B l a nc o C r e e k D r y F r i o R i v e r Bi g C a ny o n D e n t o n C re e k S a b i n a l R i v e r J oh n so n D r a w N ort h F or k D o u b l e Mo u n t a i n F o r k o f t he Br azo s R i v e L e o n a R iv e r B l a nco River S u lph u r Sp rin g s D raw P e can C r ee k H og Cree k Ow l C r e ek Me t a t e C r e e k C a l if or n i a C r ee k M o n umen t D r aw Y ellow Hou s e D r aw D o ve C re e k O p po s um C r ee k C o p per a s Cr ee k Brus hy C r e e k S t r i k e r C r e e k S a ba na R i ve r H u b bar d Cre ek S eco C re ek P i lot G r o v e Cr e e k Co w hous e C r ee k J ohn s o n Dr aw B o r r e g o C r e e k M a y n a rd C r e e k S a n Di e go C r e ek K io w a C r ee k Ea st F o r k Ea s t S a n d y C r e e k Sc a t t e r C r ee k E p p s C r eek W o o d Hol lo w C r e e k Gr a p e C r e e k A m ar g osa C r ee k W e st Mu d C r e ek E i g h t m i le D r a w S o u t h M usta n g D raw W e s t R oc k y C r e e k B i g B r u s h y C r e e k La z y Cr eek P en a C o l o r a d o C r e e k Cor yel l C r e e k Mes qu i t e C re e k W i l son C re e k Dr y D ra w N or th Ll a n o Dr a w Bi g O ni on C r eek Re s l e y Cr e e k Du gout C r ee k G o a t C r e e k P i noa k C re e k W es t Yegua C r e ek No rth F o r k Ch a m be r s C r e e k C al l a ha n D r a w Wee d y C r e e k M a ilt rail C r ee k B a t t l e Cr e e k Bennett C r e e k Sou th L eo n River S im ms Creek P ai nt C r eek T h e u v e n i ns C r e e k B e r r y C ree k L a g u n i l l a s C r e e k W e s t S a n d y C re e k S o u t h C o n c h o Ri v e r S terl i n g C r e e k N ine Po i nt D ra w Pa l o Bl a n c o Cr e ek Tur k e y Cr eek T ee p e e D r a w South Fo r k Sa n G a br ie l R i v e r R e d B lu f f C r ee k Ch a p a rr osa C r e ek Bu c k ho r n D raw Cha lk D r aw C a r r iz o C re e k Q ui taq u e Cree k M id dle T ul e D r a w N ort h For k Sa n Ga b r i e l R i v e r Ce ntrali a D r a w E lm C r e ek T o n gue Ri v er R u n nin g W a ter Draw S a lt Pron g C r e ek Cat f ish D ra w M onah an s Dr a w S em in o l e Draw M id l a n d D ra w L u c as C re e k R o s ita C re ek S quir r 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( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! (! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! (! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! (! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! (! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! (! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( ! ( Regional Water Planning Areas Groundwater Management Areas Groundwater Conservation Districts Major Aquifers Minor Aquifers 34. Headwaters GCD 35. Hemphill County UWCD 36. Hickory UWCD No. 1 37. High Plains UWCD No.1 38. Hill Country UWCD 39. Hudspeth County UWCD No. 1 40. Irion County WCD 41. Jeff Davis County UWCD 42. Kenedy County GCD 43. Kimble County GCD 44. Kinney County GCD 45. Lipan-Kickapoo WCD 46. Live Oak UWCD 47. Llano Estacado UWCD 48. Lone Star GCD 49. Lone Wolf GCD 50. Lost Pines GCD 51. Lower Trinity GCD 52. McMullen GCD 53. Medina County GCD 54. Menard County UWD 55. Mesa UWCD 56. Mesquite GCD 57. Mid-East Texas GCD 58. Middle Pecos GCD 59. Middle Trinity GCD 60. Neches & Trinity Valleys GCD 61. North Plains GCD 62. North Texas GCD 63. Northern Trinity GCD 64. Panhandle GCD 65. Panola County GCD 66. Pecan Valley GCD 67. Permian Basin UWCD 68. Pineywoods GCD 69. Plateau UWC and Supply District 91. Trinity Glen Rose GCD 92. Upper Trinity GCD 93. Uvalde County UWCD 94. Victoria County GCD 95. Wes-Tex GCD 96. Wintergarden GCD Harris-Galveston Subsidence District Fort Bend Subsidence District Subsidence Districts 16 20 16 24 28 32 36 40 44 48 52 56 60 56 52 48 44 32 28 24 20 20 16 12 20 12 40 36 Annual Precipitation Angelina-Neches River Authority Bexar Metropolitan Water District Bexar-Medina-Atascosa Counties WCID #1 Bistone MWSD Brazos River Authority Cameron County WID #10 Canadian River MWA Central Colorado River Authority Colorado River MWD Dallas County Util. & Reclam. District Franklin County WD Guadalupe-Blanco River Authority Gulf Coast WA Lavaca-Navidad River Authority Lower Colorado River Authority Lower Neches Valley Authority Lubbock County WCID 1 Mackenzie MWA Northeast Texas MWD North Texas MWD North Central Texas MWA Nueces River Authority Palo Duro River Authority Palo Pinto County MWD 1 Red River Authority Sabine River Authority San Antonio River Authority San Jacinto River Authority Sulphur River Authority Sulphur River MWD Sulphur Springs WD Tarrant Regional WD and WCID Titus County FWSD 1 Trinity River Authority Upper Colorado River Authority White River MWD Upper Guadalupe River Authority Upper Neches River MWA West Central Texas MWD River Authorities and Special Law Districts Note: Map reflects authority and district statutory boundaries and does not necessarily represent service areas. Surface Water Availability by Basin in 2010 Real-Time Streamgages Oyster Bayou Armand Bayou Austin Bayou Bastrop Bayou Big Creek Cedar Creek Lake Choza Creek Davis Mountains Preserve Streams Cienega Creek Alamito Creek Rio Grande Independence Creek Nueces River Frio River Sabinal River Comal River San Marcos River Pecan Bayou Black Cypress Creek Menard Creek Big Creek Black Cypress Bayou McKittrick Canyon Creek Unique Stream Segments Availability by Basin (1,000 acre-feet per year) Jim Bertram Lake 07 Lake 08 Post Millers Creek Reservoir Augmentation Cedar Ridge Turkey Peak Reservoir Wheeler Branch Coryell County Reservoir (Off-Channel) Goldthwaite Nueces Off-channel Reservoir Brownsville Weir Texana Stage II Allens Creek Little River (Off-Channel) Little River Brushy Creek Tehuacana Lake Ralph Hall Muenster Ringgold Lower Bois d'Arc Marvin Nichols Lake Columbia Lake Fastrill Bedias Unique Reservoir Sites Projected Population Growth 12 Annual Average Rainfall (in inches) 1971-2000 Water Level Measuring Sites and Measuring Agencies Texas Water 2012 Water Level Decline Brazos River Alluvium West Texas Bolsons Lipan (outcrop) Lipan (subcrop) Yegua Jackson Igneous Sparta (outcrop) Sparta (subcrop) Queen City (outcrop) Queen City (subcrop) Nacatoch (outcrop) Nacatoch (subcrop) Blossom (outcrop) Blossom (subcrop) Woodbine (outcrop) Woodbine (subcrop) Rita Blanca Edwards -Trinity (High Plains) Dockum (outcrop) Dockum (subcrop) Rustler (outcrop) Rustler (subcrop) Capitan Reef Complex Blaine (outcrop) Blaine (subcrop) Bone Spring - Victorio Peak Marble Falls Marathon Ellenburger - San Saba (outcrop) Ellenburger - San Saba (subcrop) Hickory (outcrop) Hickory (subcrop) Pecos Valley Seymour Gulf Coast Carrizo - Wilcox (outcrop) Hueco - Mesilla Bolson Ogallala Edwards - Trinity Plateau (outcrop) Edwards - Trinity Plateau (subcrop) Edwards BFZ (outcrop) Edwards BFZ (subcrop) Trinity (outcrop) Trinity (subcrop) Carrizo - Wilcox (subcrop) Confirmed Districts 1. Anderson County UWCD 3. Barton Springs/Edwards Aquifer CD 4. Bee GCD 5. Blanco-Pedernales GCD 6. Bluebonnet GCD 7. Brazoria County GCD 8. Brazos Valley GCD 9. Brewster County GCD 10. Brush Country GCD 11. Central Texas GCD 12. Clear Fork GCD 13. Clearwater UWCD 14. Coastal Bend GCD 15. Coastal Plains GCD 16. Coke County UWCD 17. Colorado County GCD 18. Corpus Christi ASRCD 19. Cow Creek GCD 20. Crockett County GCD 21. Culberson County GCD 22. Duval County GCD 23. Edwards Aquifer Authority 24. Evergreen UWCD 25. Fayette County GCD 26. Fox Crossing Water District 27. Garza County UWCD 28. Gateway GCD 29. Glasscock GCD 30. Goliad County GCD 31. Gonzales County UWCD 32. Guadalupe County GCD 33. Hays Trinity GCD 2. Bandera County RA & GWD 70. Plum Creek CD 71. Post Oak Savannah GCD 72. Prairelands GCD 73. Presidio County UWCD 75. Red River GCD 76. Red Sands GCD 77. Refugio GCD 78. Rolling Plains GCD 79. Rusk County GCD 80. San Patricio County GCD 81. Sandy Land UWCD 82. Santa Rita UWCD 83. Saratoga UWCD 84. South Plains UWCD 85. Southeast Texas GCD 86. Southern Trinity GCD 87. Starr County GCD 88. Sterling County UWCD 89. Sutton County UWCD 90. Texana GCD 74. Real-Edwards C & R District Drawdown (feet) < 50 or undetermined 50 - 100 100 - 200 200 - 300 300 - 400 400 - 500 500 - 800 > 800 Measuring Agency ! Cooperators ! U.S. Geological Survey ! Texas Water Development Board ! ( Streamgages Major Streams 36 12 16 20 24 28 32 40 44 48 52 56 60 64 Unconfirmed Districts Lavaca County GCD Calhoun County GCD Terrell County GCD 0 - 5 6 - 10 11 - 20 21 - 50 51 - 100 101 - 200 201 - 500 501 - 1,000 1,001 - 2,000 > 2,000 0 75 150 37.5 Miles « 1:2,500,000 Existing Major Reservoirs Major Rivers and Streams River Basin Boundaries County Boundaries Population growth rate 2010 to 2060 (percent change) > 100 50 to 100 25 to 50 0 to 25 < 0 Designated by the Texas Legislature Recommended in the 2011 Regional Water Plans and the 2012 State Water Plan Designated by the Texas Legislature Recommended in the 2011 Regional Water Plans and the 2012 State Water Plan Projected Water Demand and Exisiting Supplies (Acre-Feet/Year) Unmet Water Supply Needs (Acre Feet/Year) Water Supplies From Management Strategies in the State Water Plan (Acre-Feet/Year) MAP DISCLAIMER This map was generated by the Texas Water Development Board using GIS (Geographical Information System) software. No claims are made to the accuracy or completeness of the information shown herein nor to its suitability for a particular use. The scale and location of all mapped data are approximate. Map created on 04/09/2012 by Erik O'Brian - TWDB Mapping Coordinator OUR MISSION To provide leadership, planning, financial assistance, information, and education for the conservation and responsible development of water for Texas. Projected Need for Additional Water in Times of Drought (Acre-Feet/Year) Projected Population Growth