PFAS in Texas Water
Based on EPA UCMR 5 testing of 611 public water systems in Texas.
See Texas on the national heatmap611
Systems Tested
611
With PFAS Detected
103
Above EPA Limits
17%
Exceed MCL
Most Commonly Detected PFAS in Texas
Systems with detections · EPA UCMR 5 (2023–2025)
PFBA 540 systems
PFPeA 418 systems
PFHxA 363 systems
PFBS 278 systems
PFHxS 149 systems
PFOS 98 systems
Check your Texas ZIP code
Get specific results for your neighborhood's water utility.
Water Systems in Texas (611)
Click any row to see ZIP-level details| Water System | PWSID | PFAS Detected | Above MCL | Risk |
|---|---|---|---|---|
| CITY OF PFLUGERVILLE Surface Water | TX2270014 | 10 | 3 | High Risk |
| MANVILLE WSC Groundwater | TX2270033 | 10 | 3 | High Risk |
| CITY OF CLYDE Surface Water | TX0300002 | 9 | 3 | High Risk |
| HAWLEY WSC Surface Water | TX1270006 | 9 | 3 | High Risk |
| CITY OF ABILENE Surface Water | TX2210001 | 9 | 3 | High Risk |
| CITY OF TYE Surface Water | TX2210011 | 9 | 3 | High Risk |
| EULA WSC Surface Water | TX0300005 | 8 | 3 | High Risk |
| POTOSI WSC Surface Water | TX2210008 | 8 | 3 | High Risk |
| DYESS AIR FORCE BASE Surface Water | TX2210013 | 8 | 3 | High Risk |
| CITY OF BOERNE Groundwater | TX1300001 | 7 | 3 | High Risk |
| CITY OF FORT WORTH Surface Water | TX2200012 | 7 | 3 | High Risk |
| CITY OF HALTOM CITY Surface Water | TX2200014 | 7 | 3 | High Risk |
| CITY OF CAMERON Surface Water | TX1660001 | 10 | 2 | High Risk |
| GBRA CALHOUN COUNTY RURAL WATER SYSTEM Surface Water | TX0290007 | 8 | 2 | High Risk |
| EL JARDIN WSC Surface Water | TX0310022 | 8 | 2 | High Risk |
| EAST RIO HONDO WSC Surface Water | TX0310096 | 8 | 2 | High Risk |
| DALLAS WATER UTILITY Surface Water | TX0570004 | 8 | 2 | High Risk |
| CITY OF COCKRELL HILL Surface Water | TX0570038 | 8 | 2 | High Risk |
| CITY OF GRAND PRAIRIE Surface Water | TX0570048 | 8 | 2 | High Risk |
| CITY OF UNIVERSITY PARK Surface Water | TX0570061 | 8 | 2 | High Risk |
| SHARYLAND WSC Surface Water | TX1080033 | 8 | 2 | High Risk |
| CITY OF LIVINGSTON, TX Surface Water | TX1870002 | 8 | 2 | High Risk |
| CITY OF HUNTSVILLE Groundwater | TX2360001 | 8 | 2 | High Risk |
| 439 WSC Surface Water | TX0140076 | 7 | 2 | High Risk |
| CITY OF PORT LAVACA Surface Water | TX0290002 | 7 | 2 | High Risk |
| BROWNSVILLE PUBLIC UTILITIES BOARD Surface Water | TX0310001 | 7 | 2 | High Risk |
| TOWN OF ANTHONY Groundwater | TX0710001 | 7 | 2 | High Risk |
| SPENCER ROAD PUD Surface Water | TX1010654 | 7 | 2 | High Risk |
| CITY OF GRAPEVINE Surface Water | TX2200013 | 7 | 2 | High Risk |
| CITY OF LAKE WORTH Surface Water | TX2200060 | 7 | 2 | High Risk |
| CITY OF NORTH RICHLAND HILLS Surface Water | TX2200063 | 7 | 2 | High Risk |
| CITY OF GEORGETOWN GU | TX2460001 | 7 | 2 | High Risk |
| JONAH WATER SUD Groundwater | TX2460022 | 7 | 2 | High Risk |
| CITY OF MIDLAND WATER PURIFICATION PLANT MX | TX1650001 | 6 | 2 | High Risk |
| CITY OF SOUTHLAKE Surface Water | TX2200075 | 6 | 2 | High Risk |
| CITY OF KELLER Surface Water | TX2200096 | 6 | 2 | High Risk |
| CITY OF BIG SPRING Surface Water | TX1140001 | 5 | 2 | High Risk |
| SJWTX TRIPLE PEAK PLANT Groundwater | TX0460172 | 3 | 2 | High Risk |
| CITY OF IRVING Surface Water | TX0570050 | 8 | 1 | High Risk |
| CITY OF SUGAR LAND MX | TX0790005 | 8 | 1 | High Risk |
| CLEAR LAKE CITY WATER AUTHORITY Surface Water | TX1010056 | 8 | 1 | High Risk |
| WEST BELL COUNTY WSC Surface Water | TX0140105 | 7 | 1 | High Risk |
| FORT BEND COUNTY MUD 142 Surface Water | TX0790429 | 7 | 1 | High Risk |
| CITY OF BAYTOWN Surface Water | TX1010003 | 7 | 1 | High Risk |
| CITY OF WEBSTER Surface Water | TX1010226 | 7 | 1 | High Risk |
| CITY OF PASADENA Surface Water | TX1010293 | 7 | 1 | High Risk |
| CITY OF TEMPLE Surface Water | TX0140005 | 6 | 1 | High Risk |
| CITY OF PEARLAND Surface Water | TX0200008 | 6 | 1 | High Risk |
| CITY OF SAN BENITO Surface Water | TX0310007 | 6 | 1 | High Risk |
| TOWN OF PROSPER Surface Water | TX0430009 | 6 | 1 | High Risk |
| CITY OF FARMERS BRANCH Surface Water | TX0570047 | 6 | 1 | High Risk |
| TOWN OF FLOWER MOUND Surface Water | TX0610023 | 6 | 1 | High Risk |
| CITY OF MIDLOTHIAN Surface Water | TX0700005 | 6 | 1 | High Risk |
| EL PASO WATER UTILITIES PUBLIC SERVICE B Groundwater | TX0710002 | 6 | 1 | High Risk |
| BIG OAKS MUD Surface Water | TX0790332 | 6 | 1 | High Risk |
| FORT BEND COUNTY MUD 133 MX | TX0790444 | 6 | 1 | High Risk |
| CITY OF LEAGUE CITY Surface Water | TX0840007 | 6 | 1 | High Risk |
| TANGLEWOOD ON TEXOMA Groundwater | TX0910052 | 6 | 1 | High Risk |
| CITY OF DEER PARK Surface Water | TX1010007 | 6 | 1 | High Risk |
| CITY OF GALENA PARK MX | TX1010009 | 6 | 1 | High Risk |
| CITY OF WEST UNIVERSITY PLACE MX | TX1010027 | 6 | 1 | High Risk |
| HARRIS COUNTY WCID 1 Surface Water | TX1010159 | 6 | 1 | High Risk |
| CITY OF SOUTH HOUSTON Surface Water | TX1010294 | 6 | 1 | High Risk |
| CLEAR BROOK CITY MUD MX | TX1010418 | 6 | 1 | High Risk |
| HARRIS COUNTY MUD 8 Surface Water | TX1010712 | 6 | 1 | High Risk |
| CITY OF DONNA Surface Water | TX1080002 | 6 | 1 | High Risk |
| CITY OF SAN JUAN Surface Water | TX1080010 | 6 | 1 | High Risk |
| CITY OF WESLACO Surface Water | TX1080011 | 6 | 1 | High Risk |
| CITY OF HILLSBORO Surface Water | TX1090001 | 6 | 1 | High Risk |
| CASH SUD Surface Water | TX1160018 | 6 | 1 | High Risk |
| CITY OF FORNEY Surface Water | TX1290002 | 6 | 1 | High Risk |
| CITY OF TERRELL Surface Water | TX1290006 | 6 | 1 | High Risk |
| COLLEGE MOUND SUD Surface Water | TX1290012 | 6 | 1 | High Risk |
| GASTONIA SCURRY SUD Surface Water | TX1290015 | 6 | 1 | High Risk |
| CITY OF COLLEYVILLE Surface Water | TX2200043 | 6 | 1 | High Risk |
| CITY OF WHITE SETTLEMENT Groundwater | TX2200081 | 6 | 1 | High Risk |
| CITY OF AUSTIN WATER & WASTEWATER Surface Water | TX2270001 | 6 | 1 | High Risk |
| WINDERMERE COMMUNITY Groundwater | TX2270161 | 6 | 1 | High Risk |
| OLMITO WSC Surface Water | TX0310026 | 5 | 1 | High Risk |
| CITY OF COPPERAS COVE Surface Water | TX0500001 | 5 | 1 | High Risk |
| CITY OF DUNCANVILLE Surface Water | TX0570007 | 5 | 1 | High Risk |
| CITY OF SEAGOVILLE Surface Water | TX0570016 | 5 | 1 | High Risk |
| CITY OF BALCH SPRINGS Surface Water | TX0570032 | 5 | 1 | High Risk |
| MOUNTAIN PEAK SUD Groundwater | TX0700042 | 5 | 1 | High Risk |
| FORT BEND COUNTY MUD 165 MX | TX0790470 | 5 | 1 | High Risk |
| CITY OF GREENVILLE, TX Surface Water | TX1160004 | 5 | 1 | High Risk |
| TALTY SUD Surface Water | TX1290025 | 5 | 1 | High Risk |
| CITY OF WEATHERFORD Surface Water | TX1840005 | 5 | 1 | High Risk |
| CITY OF ARLINGTON Surface Water | TX2200001 | 5 | 1 | High Risk |
| CITY OF BEDFORD Surface Water | TX2200003 | 5 | 1 | High Risk |
| TRAVIS COUNTY WCID 10 Surface Water | TX2270182 | 5 | 1 | High Risk |
| CITY OF TAYLOR Surface Water | TX2460004 | 5 | 1 | High Risk |
| CITY OF LA FERIA Surface Water | TX0310003 | 4 | 1 | High Risk |
| CITY OF CHILDRESS Surface Water | TX0380001 | 4 | 1 | High Risk |
| SOUTH TAWAKONI WSC Surface Water | TX2340019 | 4 | 1 | High Risk |
| SPRINGS HILL WSC Groundwater | TX0940022 | 3 | 1 | High Risk |
| CITY OF EDINBURG Surface Water | TX1080004 | 3 | 1 | High Risk |
| CITY OF POINT Surface Water | TX1900004 | 3 | 1 | High Risk |
| CITY OF DUBLIN Surface Water | TX0720001 | 2 | 1 | High Risk |
| CITY OF HUDSON OAKS Groundwater | TX1840006 | 2 | 1 | High Risk |
| MACBEE SUD Surface Water | TX2340012 | 2 | 1 | High Risk |
| CITY OF LEVELLAND Surface Water | TX1100002 | 1 | 1 | High Risk |
| Montgomery Trace Groundwater | TX1700638 | 1 | 1 | High Risk |
| FORT BEND COUNTY MUD 41 Surface Water | TX0790229 | 7 | 0 | Moderate |
| CITY OF CLUTE Groundwater | TX0200004 | 6 | 0 | Moderate |
| CITY OF RICHWOOD Surface Water | TX0200035 | 6 | 0 | Moderate |
| CROSS TIMBERS WSC Surface Water | TX0610020 | 6 | 0 | Moderate |
| PINE TRAILS UTILITY Surface Water | TX1010535 | 6 | 0 | Moderate |
| HARRIS COUNTY MUD 185 Surface Water | TX1011914 | 6 | 0 | Moderate |
| CITY OF MORGANS POINT RESORT Surface Water | TX0140116 | 5 | 0 | Moderate |
| EAST BELL WSC Surface Water | TX0140118 | 5 | 0 | Moderate |
| CITY OF ANGLETON MX | TX0200002 | 5 | 0 | Moderate |
| CITY OF PRIMERA Surface Water | TX0310094 | 5 | 0 | Moderate |
| CHAMBERS COUNTY MUD 1 Surface Water | TX0360104 | 5 | 0 | Moderate |
| BEAR CREEK SUD Surface Water | TX0430037 | 5 | 0 | Moderate |
| TOWN OF HIGHLAND PARK Surface Water | TX0570049 | 5 | 0 | Moderate |
| CITY OF HIGHLAND VILLAGE MX | TX0610080 | 5 | 0 | Moderate |
| PECAN GROVE MUD MX | TX0790132 | 5 | 0 | Moderate |
| FORT BEND COUNTY MUD 118 Surface Water | TX0790366 | 5 | 0 | Moderate |
| FORT BEND COUNTY MUD 122 MX | TX0790416 | 5 | 0 | Moderate |
| CITY OF HITCHCOCK Surface Water | TX0840004 | 5 | 0 | Moderate |
| GALVESTON COUNTY WCID 8 Surface Water | TX0840009 | 5 | 0 | Moderate |
| CITY OF GONZALES Surface Water | TX0890001 | 5 | 0 | Moderate |
| CITY OF BELLAIRE MX | TX1010004 | 5 | 0 | Moderate |
| CITY OF JERSEY VILLAGE Surface Water | TX1010016 | 5 | 0 | Moderate |
| CITY OF SEABROOK Surface Water | TX1010062 | 5 | 0 | Moderate |
| HARRIS COUNTY WCID 36 MX | TX1010239 | 5 | 0 | Moderate |
| SAGEMEADOW UTILITY DISTRICT Surface Water | TX1010386 | 5 | 0 | Moderate |
| HARRIS COUNTY MUD 6 CARRIAGE LANE Surface Water | TX1010496 | 5 | 0 | Moderate |
| HARRIS COUNTY MUD 102 MX | TX1010503 | 5 | 0 | Moderate |
| JACKRABBIT ROAD PUD Surface Water | TX1010538 | 5 | 0 | Moderate |
| HEATHERLOCH MUD Surface Water | TX1010548 | 5 | 0 | Moderate |
| HARRIS COUNTY MUD 53 Surface Water | TX1010720 | 5 | 0 | Moderate |
| RICE UNIVERSITY Surface Water | TX1010908 | 5 | 0 | Moderate |
| ADDICKS UTILITY DISTRICT Surface Water | TX1011019 | 5 | 0 | Moderate |
| LANGHAM CREEK UTILITY DISTRICT MX | TX1011249 | 5 | 0 | Moderate |
| EXXON MOBIL BAYTOWN REFINERY Surface Water | TX1011562 | 5 | 0 | Moderate |
| HARRIS COUNTY MUD 70 Surface Water | TX1011690 | 5 | 0 | Moderate |
| INTERSTATE MUD Groundwater | TX1012264 | 5 | 0 | Moderate |
| HARRIS COUNTY MUD 285 Surface Water | TX1012677 | 5 | 0 | Moderate |
| HARRIS COUNTY MUD 196 Surface Water | TX1013002 | 5 | 0 | Moderate |
| LAKES OF ROSEHILL WATER SYSTEM Groundwater | TX1013050 | 5 | 0 | Moderate |
| HARRIS COUNTY WCID 161 Surface Water | TX1013612 | 5 | 0 | Moderate |
| HARLETON WSC Surface Water | TX1020074 | 5 | 0 | Moderate |
| GOFORTH SUD Surface Water | TX1050019 | 5 | 0 | Moderate |
| NORTH ALAMO WSC Surface Water | TX1080029 | 5 | 0 | Moderate |
| HOLIDAY ESTATES WATER Surface Water | TX1160028 | 5 | 0 | Moderate |
| CITY OF ROBINSON Surface Water | TX1550010 | 5 | 0 | Moderate |
| G M WSC Surface Water | TX2020067 | 5 | 0 | Moderate |
| CITY OF WATAUGA Surface Water | TX2200328 | 5 | 0 | Moderate |
| NAVAL AIR STN JOINT RESERVE BASE Surface Water | TX2200332 | 5 | 0 | Moderate |
| CITY OF SAN ANGELO MX | TX2260001 | 5 | 0 | Moderate |
| CREEDMOOR MAHA WSC Surface Water | TX2270008 | 5 | 0 | Moderate |
| BRUSHY CREEK MUD Surface Water | TX2460061 | 5 | 0 | Moderate |
| CITY OF BEEVILLE Surface Water | TX0130001 | 4 | 0 | Low Level |
| CITY OF BELTON Surface Water | TX0140002 | 4 | 0 | Low Level |
| SALADO WSC Surface Water | TX0140035 | 4 | 0 | Low Level |
| US ARMY SOUTH FORT HOOD Surface Water | TX0140107 | 4 | 0 | Low Level |
| CITY OF FREEPORT Surface Water | TX0200005 | 4 | 0 | Low Level |
| CITY OF COLLEGE STATION Groundwater | TX0210002 | 4 | 0 | Low Level |
| CITY OF FRISCO Surface Water | TX0430005 | 4 | 0 | Low Level |
| CITY OF PLANO Surface Water | TX0430007 | 4 | 0 | Low Level |
| CITY OF WYLIE Surface Water | TX0430011 | 4 | 0 | Low Level |
| CITY OF ALLEN Surface Water | TX0430025 | 4 | 0 | Low Level |
| COPEVILLE SUD Surface Water | TX0430029 | 4 | 0 | Low Level |
| EAST FORK SUD Surface Water | TX0430033 | 4 | 0 | Low Level |
| CITY OF JOSEPHINE Surface Water | TX0430036 | 4 | 0 | Low Level |
| CITY OF MURPHY Surface Water | TX0430042 | 4 | 0 | Low Level |
| CITY OF PARKER Surface Water | TX0430045 | 4 | 0 | Low Level |
| WYLIE NORTHEAST SUD Surface Water | TX0430051 | 4 | 0 | Low Level |
| NEVADA SUD Surface Water | TX0430053 | 4 | 0 | Low Level |
| CITY OF LUCAS Surface Water | TX0430054 | 4 | 0 | Low Level |
| NEW BRAUNFELS UTILITIES MX | TX0460001 | 4 | 0 | Low Level |
| MILLERSVIEW-DOOLE WSC Surface Water | TX0480015 | 4 | 0 | Low Level |
| WOODBINE WSC Groundwater | TX0490018 | 4 | 0 | Low Level |
| CITY OF DESOTO Surface Water | TX0570006 | 4 | 0 | Low Level |
| CITY OF GARLAND Surface Water | TX0570010 | 4 | 0 | Low Level |
| CITY OF HUTCHINS Surface Water | TX0570012 | 4 | 0 | Low Level |
| CITY OF LANCASTER, TX Surface Water | TX0570013 | 4 | 0 | Low Level |
| CITY OF MESQUITE Surface Water | TX0570014 | 4 | 0 | Low Level |
| CITY OF RICHARDSON Surface Water | TX0570015 | 4 | 0 | Low Level |
| CITY OF WILMER Surface Water | TX0570018 | 4 | 0 | Low Level |
| TOWN OF ADDISON Surface Water | TX0570031 | 4 | 0 | Low Level |
| CITY OF CARROLLTON Surface Water | TX0570034 | 4 | 0 | Low Level |
| CITY OF CEDAR HILL Surface Water | TX0570036 | 4 | 0 | Low Level |
| COMBINE WSC Surface Water | TX0570039 | 4 | 0 | Low Level |
| CITY OF COPPELL Surface Water | TX0570040 | 4 | 0 | Low Level |
| CITY OF ROWLETT Surface Water | TX0570056 | 4 | 0 | Low Level |
| CITY OF SACHSE Surface Water | TX0570057 | 4 | 0 | Low Level |
| TOWN OF SUNNYVALE Surface Water | TX0570059 | 4 | 0 | Low Level |
| CITY OF GLENN HEIGHTS Surface Water | TX0570085 | 4 | 0 | Low Level |
| CITY OF DENTON Surface Water | TX0610002 | 4 | 0 | Low Level |
| CITY OF JUSTIN Surface Water | TX0610003 | 4 | 0 | Low Level |
| CITY OF LEWISVILLE Surface Water | TX0610004 | 4 | 0 | Low Level |
| CITY OF ROANOKE Surface Water | TX0610008 | 4 | 0 | Low Level |
| ARGYLE WSC MX | TX0610019 | 4 | 0 | Low Level |
| LAKE CITIES MUNICIPAL UTILITY AUTHORITY Groundwater | TX0610029 | 4 | 0 | Low Level |
| TOWN OF LITTLE ELM Surface Water | TX0610035 | 4 | 0 | Low Level |
| CITY OF CORINTH, TX Surface Water | TX0610065 | 4 | 0 | Low Level |
| CITY OF THE COLONY Surface Water | TX0610081 | 4 | 0 | Low Level |
| CITY OF HACKBERRY Surface Water | TX0610091 | 4 | 0 | Low Level |
| DENTON COUNTY FWSD 7 LANTANA Surface Water | TX0610228 | 4 | 0 | Low Level |
| FRISCO WEST WCID Surface Water | TX0610253 | 4 | 0 | Low Level |
| CITY OF ENNIS Surface Water | TX0700001 | 4 | 0 | Low Level |
| CITY OF WAXAHACHIE Surface Water | TX0700008 | 4 | 0 | Low Level |
| CITY OF RED OAK Surface Water | TX0700031 | 4 | 0 | Low Level |
| ROCKETT SUD Surface Water | TX0700033 | 4 | 0 | Low Level |
| SARDIS LONE ELM WSC MX | TX0700034 | 4 | 0 | Low Level |
| CITY OF OVILLA Surface Water | TX0700067 | 4 | 0 | Low Level |
| EAST MONTANA WATER SYSTEM Surface Water | TX0710178 | 4 | 0 | Low Level |
| CITY OF ROSENBERG Surface Water | TX0790003 | 4 | 0 | Low Level |
| FORT BEND COUNTY WCID 2 Surface Water | TX0790004 | 4 | 0 | Low Level |
| CITY OF RICHMOND Surface Water | TX0790023 | 4 | 0 | Low Level |
| KINGSBRIDGE MUD Surface Water | TX0790158 | 4 | 0 | Low Level |
| FORT BEND COUNTY MUD 34 Surface Water | TX0790200 | 4 | 0 | Low Level |
| SIENNA PLANTATION MUD 3 Groundwater | TX0790376 | 4 | 0 | Low Level |
| SIENNA PLANTATION MUD 10 Groundwater | TX0790452 | 4 | 0 | Low Level |
| GALVESTON COUNTY WCID 1 Surface Water | TX0840001 | 4 | 0 | Low Level |
| CITY OF GALVESTON Surface Water | TX0840003 | 4 | 0 | Low Level |
| CITY OF LA MARQUE Surface Water | TX0840006 | 4 | 0 | Low Level |
| CITY OF TEXAS CITY Surface Water | TX0840008 | 4 | 0 | Low Level |
| GALVESTON COUNTY WCID 12 MX | TX0840031 | 4 | 0 | Low Level |
| SAN LEON MUD Surface Water | TX0840063 | 4 | 0 | Low Level |
| CITY OF HOUSTON, TX Groundwater | TX1010013 | 4 | 0 | Low Level |
| CITY OF HUMBLE MX | TX1010014 | 4 | 0 | Low Level |
| CITY OF NASSAU BAY GU | TX1010152 | 4 | 0 | Low Level |
| CHAMPIONS MUD Groundwater | TX1010233 | 4 | 0 | Low Level |
| HARRIS COUNTY FWSD 51 Surface Water | TX1010238 | 4 | 0 | Low Level |
| HARRIS COUNTY WCID 116 Groundwater | TX1010507 | 4 | 0 | Low Level |
| HARRIS COUNTY WCID 119 Surface Water | TX1010509 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 55 HERITAGE PARK Groundwater | TX1010678 | 4 | 0 | Low Level |
| PARKWAY UTILITY DISTRICT Surface Water | TX1010750 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 148 KINGSLAKE Surface Water | TX1010938 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 157 Groundwater | TX1011430 | 4 | 0 | Low Level |
| BARKER CYPRESS MUD Surface Water | TX1011613 | 4 | 0 | Low Level |
| LAKE MUD Surface Water | TX1011741 | 4 | 0 | Low Level |
| HORSEPEN BAYOU MUD Surface Water | TX1011785 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 183 Surface Water | TX1011824 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 179 Surface Water | TX1011848 | 4 | 0 | Low Level |
| BILMA PUD Surface Water | TX1011872 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 130 Surface Water | TX1012097 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 186 Surface Water | TX1012214 | 4 | 0 | Low Level |
| REMINGTON MUD 1 MX | TX1013074 | 4 | 0 | Low Level |
| SPRING MEADOWS MUD Surface Water | TX1013261 | 4 | 0 | Low Level |
| HARRIS COUNTY MUD 412 Surface Water | TX1013354 | 4 | 0 | Low Level |
| CITY OF TRINIDAD Surface Water | TX1070004 | 4 | 0 | Low Level |
| B H P WSC Surface Water | TX1160015 | 4 | 0 | Low Level |
| CADDO BASIN SUD Surface Water | TX1160029 | 4 | 0 | Low Level |
| CITY OF BURLESON Surface Water | TX1260002 | 4 | 0 | Low Level |
| JOHNSON COUNTY SUD MX | TX1260018 | 4 | 0 | Low Level |
| FORNEY LAKE WSC Surface Water | TX1290014 | 4 | 0 | Low Level |
| KAUFMAN COUNTY MUD 11 Surface Water | TX1290046 | 4 | 0 | Low Level |
| KAUFMAN COUNTY MUD 14 Surface Water | TX1290053 | 4 | 0 | Low Level |
| CITY OF KINGSVILLE Surface Water | TX1370001 | 4 | 0 | Low Level |
| CHATFIELD WSC Surface Water | TX1750012 | 4 | 0 | Low Level |
| RICE WSC Surface Water | TX1750019 | 4 | 0 | Low Level |
| CITY OF EMORY Surface Water | TX1900001 | 4 | 0 | Low Level |
| CITY OF ROCKWALL Surface Water | TX1990001 | 4 | 0 | Low Level |
| CITY OF ROYSE CITY Surface Water | TX1990002 | 4 | 0 | Low Level |
| BLACKLAND WSC Surface Water | TX1990004 | 4 | 0 | Low Level |
| CITY OF FATE Surface Water | TX1990006 | 4 | 0 | Low Level |
| R C H WSC Surface Water | TX1990012 | 4 | 0 | Low Level |
| CITY OF HEATH Surface Water | TX1990014 | 4 | 0 | Low Level |
| CITY OF BALLINGER Surface Water | TX2000001 | 4 | 0 | Low Level |
| CITY OF FOREST HILL Surface Water | TX2200011 | 4 | 0 | Low Level |
| CITY OF RICHLAND HILLS Surface Water | TX2200022 | 4 | 0 | Low Level |
| CITY OF EULESS Surface Water | TX2200031 | 4 | 0 | Low Level |
| CITY OF WILLS POINT Surface Water | TX2340005 | 4 | 0 | Low Level |
| SEBASTIAN MUD Surface Water | TX2450006 | 4 | 0 | Low Level |
| CITY OF ROUND ROCK Groundwater | TX2460003 | 4 | 0 | Low Level |
| SONTERRA MUD Groundwater | TX2460157 | 4 | 0 | Low Level |
| CITY OF KILLEEN Surface Water | TX0140006 | 3 | 0 | Low Level |
| CITY OF HARKER HEIGHTS Surface Water | TX0140023 | 3 | 0 | Low Level |
| BELL COUNTY WCID 3 Surface Water | TX0140031 | 3 | 0 | Low Level |
| SAN ANTONIO WATER SYSTEM Groundwater | TX0150018 | 3 | 0 | Low Level |
| CITY OF BRAZORIA Surface Water | TX0200003 | 3 | 0 | Low Level |
| DOW TEXAS FREEPORT SALT DOME 8 Groundwater | TX0200534 | 3 | 0 | Low Level |
| CITY OF BURNET Groundwater | TX0270001 | 3 | 0 | Low Level |
| HARLINGEN WATER WORKS SYSTEM Surface Water | TX0310002 | 3 | 0 | Low Level |
| LAGUNA MADRE WATER DISTRICT Surface Water | TX0310005 | 3 | 0 | Low Level |
| TBCD WEST TREATMENT PLANT Surface Water | TX0360030 | 3 | 0 | Low Level |
| CITY OF JACKSONVILLE Surface Water | TX0370002 | 3 | 0 | Low Level |
| DEAN DALE SUD Surface Water | TX0390019 | 3 | 0 | Low Level |
| CANYON SPRINGS WATER Groundwater | TX0460022 | 3 | 0 | Low Level |
| MULTI-COUNTY WSC Surface Water | TX0500044 | 3 | 0 | Low Level |
| DALLAS FORT WORTH INTERNATIONAL AIRPORT Surface Water | TX0570136 | 3 | 0 | Low Level |
| MUSTANG SUD Surface Water | TX0610036 | 3 | 0 | Low Level |
| TOWN OF NORTHLAKE Surface Water | TX0610235 | 3 | 0 | Low Level |
| CITY OF ODESSA Surface Water | TX0680002 | 3 | 0 | Low Level |
| ECTOR COUNTY UTILITY DISTRICT MX | TX0680235 | 3 | 0 | Low Level |
| LOWER VALLEY WATER DISTRICT Surface Water | TX0710154 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 2 Surface Water | TX0790038 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 30 Surface Water | TX0790146 | 3 | 0 | Low Level |
| GRAND MISSION MUD 1 Surface Water | TX0790430 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 35 Groundwater | TX0790433 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 123 Surface Water | TX0790446 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 57 Surface Water | TX0790455 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 58 MX | TX0790458 | 3 | 0 | Low Level |
| CINCO SOUTHWEST MUD 2 Surface Water | TX0790481 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 134B Groundwater | TX0790532 | 3 | 0 | Low Level |
| FORT BEND COUNTY MUD 134C Groundwater | TX0790533 | 3 | 0 | Low Level |
| CITY OF FRIENDSWOOD Surface Water | TX0840002 | 3 | 0 | Low Level |
| BACLIFF MUD Surface Water | TX0840011 | 3 | 0 | Low Level |
| CITY OF SHERMAN Groundwater | TX0910006 | 3 | 0 | Low Level |
| CITY OF LA PORTE Surface Water | TX1010018 | 3 | 0 | Low Level |
| NASA JOHNSON SPACE CENTER Surface Water | TX1010250 | 3 | 0 | Low Level |
| HARRIS COUNTY FWSD 47 Surface Water | TX1010260 | 3 | 0 | Low Level |
| HARRIS COUNTY WCID 114 MX | TX1010317 | 3 | 0 | Low Level |
| NEWPORT MUD Surface Water | TX1010362 | 3 | 0 | Low Level |
| HARRIS COUNTY WCID 132 Surface Water | TX1010413 | 3 | 0 | Low Level |
| CNP UTILITY DISTRICT MX | TX1010429 | 3 | 0 | Low Level |
| CYPRESSWOOD UTILITY DISTRICT Surface Water | TX1010432 | 3 | 0 | Low Level |
| FOUNTAINHEAD MUD Surface Water | TX1010435 | 3 | 0 | Low Level |
| PRESTONWOOD FOREST UTILITY DISTRICT MX | TX1010467 | 3 | 0 | Low Level |
| LAKE FOREST UTILITY DISTRICT Groundwater | TX1010494 | 3 | 0 | Low Level |
| MALCOMSON ROAD UTILITY DISTRICT Surface Water | TX1010495 | 3 | 0 | Low Level |
| HARRIS COUNTY UTILITY DISTRICT 6 Surface Water | TX1010501 | 3 | 0 | Low Level |
| GREENWOOD UTILITY DISTRICT Surface Water | TX1010554 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 24 MX | TX1010572 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 23 Surface Water | TX1010649 | 3 | 0 | Low Level |
| NORTHWEST HARRIS COUNTY MUD 5 Groundwater | TX1010884 | 3 | 0 | Low Level |
| CHIMNEY HILL MUD Groundwater | TX1010910 | 3 | 0 | Low Level |
| CYPRESS FOREST PUD Groundwater | TX1010919 | 3 | 0 | Low Level |
| WINDFERN FOREST UTILITY DISTRICT Surface Water | TX1010924 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 105 Groundwater | TX1011227 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 150 Surface Water | TX1011250 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 49 Surface Water | TX1011462 | 3 | 0 | Low Level |
| CLAY ROAD MUD Surface Water | TX1011681 | 3 | 0 | Low Level |
| MAYDE CREEK MUD Groundwater | TX1011689 | 3 | 0 | Low Level |
| LOUETTA NORTH PUD Surface Water | TX1011870 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 368 Surface Water | TX1011908 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 188 Surface Water | TX1011982 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 200 CRANBROOK MX | TX1012007 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 264 Surface Water | TX1012330 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 238 Surface Water | TX1012361 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 208 Surface Water | TX1012419 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 230 Groundwater | TX1012740 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 278 Surface Water | TX1012835 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 276 Surface Water | TX1012942 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 173 MX | TX1012971 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 257 MX | TX1012985 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 367 Surface Water | TX1013040 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 370 Surface Water | TX1013113 | 3 | 0 | Low Level |
| HARRIS COUNTY WCID 96 Groundwater | TX1013175 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 383 Groundwater | TX1013213 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 419 Groundwater | TX1013335 | 3 | 0 | Low Level |
| MD ANDERSON CANCER CENTER ALKEK Surface Water | TX1013339 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 468 Surface Water | TX1013369 | 3 | 0 | Low Level |
| HARRIS COUNTY MUD 374 CYPRESS CREEK LAKE Groundwater | TX1013450 | 3 | 0 | Low Level |
| CITY OF SAN MARCOS Groundwater | TX1050001 | 3 | 0 | Low Level |
| CITY OF KYLE Surface Water | TX1050002 | 3 | 0 | Low Level |
| CAROLYNN ESTATES Surface Water | TX1070106 | 3 | 0 | Low Level |
| CITY OF ALAMO Surface Water | TX1080001 | 3 | 0 | Low Level |
| AGUA SUD Surface Water | TX1080022 | 3 | 0 | Low Level |
| HIDALGO COUNTY MUD 1 Surface Water | TX1080088 | 3 | 0 | Low Level |
| HILL COUNTY WSC Surface Water | TX1090041 | 3 | 0 | Low Level |
| CITY OF ALVARADO Surface Water | TX1260001 | 3 | 0 | Low Level |
| CITY OF VENUS Surface Water | TX1260006 | 3 | 0 | Low Level |
| CITY OF LAMPASAS Surface Water | TX1410001 | 3 | 0 | Low Level |
| KEMPNER WSC Surface Water | TX1410028 | 3 | 0 | Low Level |
| AIRLINE MOBILE HOME PARK Groundwater | TX1650003 | 3 | 0 | Low Level |
| CITY OF CORSICANA Surface Water | TX1750002 | 3 | 0 | Low Level |
| M E N WSC Surface Water | TX1750015 | 3 | 0 | Low Level |
| WINKLER WSC Surface Water | TX1750023 | 3 | 0 | Low Level |
| CITY OF CORPUS CHRISTI Surface Water | TX1780003 | 3 | 0 | Low Level |
| CITY OF ALEDO Surface Water | TX1840001 | 3 | 0 | Low Level |
| LAKE LIVINGSTON PINESHADOWS EAST Surface Water | TX1870166 | 3 | 0 | Low Level |
| CITY OF INGLESIDE Surface Water | TX2050002 | 3 | 0 | Low Level |
| CITY OF PORTLAND Surface Water | TX2050005 | 3 | 0 | Low Level |
| CITY OF ARANSAS PASS Surface Water | TX2050015 | 3 | 0 | Low Level |
| UNION WSC Surface Water | TX2140004 | 3 | 0 | Low Level |
| CITY OF MANSFIELD Surface Water | TX2200018 | 3 | 0 | Low Level |
| CITY OF SAGINAW Surface Water | TX2200023 | 3 | 0 | Low Level |
| BENBROOK WATER AUTHORITY Surface Water | TX2200029 | 3 | 0 | Low Level |
| CITY OF HURST Groundwater | TX2200054 | 3 | 0 | Low Level |
| STEAMBOAT MOUNTAIN WSC Surface Water | TX2210022 | 3 | 0 | Low Level |
| CONCHO RURAL WATER GRAPE CREEK Surface Water | TX2260008 | 3 | 0 | Low Level |
| GOODFELLOW AIR FORCE BASE Surface Water | TX2260027 | 3 | 0 | Low Level |
| CITY OF WICHITA FALLS Surface Water | TX2430001 | 3 | 0 | Low Level |
| CITY OF BURKBURNETT Surface Water | TX2430005 | 3 | 0 | Low Level |
| SHEPPARD AIR FORCE BASE Surface Water | TX2430007 | 3 | 0 | Low Level |
| WILLIAMSON COUNTY MUD 10 Surface Water | TX2460145 | 3 | 0 | Low Level |
| WILLIAMSON COUNTY WSID 3 Groundwater | TX2460152 | 3 | 0 | Low Level |
| CITY OF ROCKPORT Surface Water | TX0040002 | 2 | 0 | Low Level |
| SAWS CASTLE HILLS Groundwater | TX0150045 | 2 | 0 | Low Level |
| CITY OF LAKE JACKSON Surface Water | TX0200006 | 2 | 0 | Low Level |
| WICKSON CREEK SUD Groundwater | TX0210005 | 2 | 0 | Low Level |
| ZEPHYR WSC Surface Water | TX0250019 | 2 | 0 | Low Level |
| CITY OF MARBLE FALLS Surface Water | TX0270026 | 2 | 0 | Low Level |
| MAXWELL WSC Surface Water | TX0280003 | 2 | 0 | Low Level |
| CITY OF BRONTE Surface Water | TX0410001 | 2 | 0 | Low Level |
| TOWN OF FAIRVIEW Surface Water | TX0430034 | 2 | 0 | Low Level |
| CITY OF GATESVILLE Surface Water | TX0500002 | 2 | 0 | Low Level |
| CITY OF CISCO Surface Water | TX0670001 | 2 | 0 | Low Level |
| FORT BLISS MAIN POST AREA Groundwater | TX0710020 | 2 | 0 | Low Level |
| EAST BIGGS WATER SYSTEM Surface Water | TX0710187 | 2 | 0 | Low Level |
| FORT BEND COUNTY MUD 50 Surface Water | TX0790277 | 2 | 0 | Low Level |
| SIENNA PLANTATION MUD 2 Groundwater | TX0790345 | 2 | 0 | Low Level |
| FORT BEND COUNTY MUD 146 MX | TX0790435 | 2 | 0 | Low Level |
| FORT BEND COUNTY MUD 143 WATER VIEW ESTA Groundwater | TX0790472 | 2 | 0 | Low Level |
| GONZALES COUNTY WSC Surface Water | TX0890006 | 2 | 0 | Low Level |
| CITY OF SEGUIN Groundwater | TX0940002 | 2 | 0 | Low Level |
| CRYSTAL CLEAR SUD Surface Water | TX0940015 | 2 | 0 | Low Level |
| SUNBELT FWSD OAKWILDE SUBDIVISION Surface Water | TX1010022 | 2 | 0 | Low Level |
| MEMORIAL VILLAGES WATER AUTHORITY Surface Water | TX1010148 | 2 | 0 | Low Level |
| SUNBELT FWSD HIGH MEADOWS SUBDIVISION Surface Water | TX1010292 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS Surface Water | TX1010512 | 2 | 0 | Low Level |
| EMERALD FOREST UTILITY DISTRICT Groundwater | TX1010541 | 2 | 0 | Low Level |
| SUNBELT FWSD WOODLAND OAKS SUBDIVISION Groundwater | TX1010758 | 2 | 0 | Low Level |
| HARRIS COUNTY WCID 21 Surface Water | TX1010769 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 149 Groundwater | TX1011296 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 104 Surface Water | TX1011534 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 16 Surface Water | TX1011705 | 2 | 0 | Low Level |
| NORTHWEST HARRIS COUNTY MUD 12 Groundwater | TX1011901 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 165 Groundwater | TX1012187 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 163 Surface Water | TX1012213 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 127 Surface Water | TX1012229 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 86 Surface Water | TX1012953 | 2 | 0 | Low Level |
| HARRIS COUNTY MUD 172 MX | TX1012970 | 2 | 0 | Low Level |
| CITY OF BUDA Surface Water | TX1050012 | 2 | 0 | Low Level |
| EAST CEDAR CREEK FWSD BROOKSHIRE Surface Water | TX1070167 | 2 | 0 | Low Level |
| CITY OF ELSA Surface Water | TX1080005 | 2 | 0 | Low Level |
| FILES VALLEY WSC Surface Water | TX1090035 | 2 | 0 | Low Level |
| OAK TRAIL SHORES Surface Water | TX1110004 | 2 | 0 | Low Level |
| CITY OF COAHOMA Surface Water | TX1140002 | 2 | 0 | Low Level |
| CITY OF JACKSBORO Surface Water | TX1190002 | 2 | 0 | Low Level |
| HIGH POINT WATER SUPPLY CORPORATION Surface Water | TX1290016 | 2 | 0 | Low Level |
| CITY OF LLANO Surface Water | TX1500001 | 2 | 0 | Low Level |
| MONTGOMERY COUNTY MUD 15 Groundwater | TX1700118 | 2 | 0 | Low Level |
| MONTGOMERY COUNTY MUD 18 Groundwater | TX1700546 | 2 | 0 | Low Level |
| CITY OF AGUA DULCE Surface Water | TX1780001 | 2 | 0 | Low Level |
| CITY OF MATHIS Surface Water | TX2050003 | 2 | 0 | Low Level |
| CITY OF TAFT Surface Water | TX2050007 | 2 | 0 | Low Level |
| RINCON WSC Surface Water | TX2050078 | 2 | 0 | Low Level |
| CITY OF TYLER Surface Water | TX2120004 | 2 | 0 | Low Level |
| CITY OF AZLE Surface Water | TX2200002 | 2 | 0 | Low Level |
| CITY OF MANOR Groundwater | TX2270002 | 2 | 0 | Low Level |
| TRAVIS COUNTY WCID 18 Surface Water | TX2270083 | 2 | 0 | Low Level |
| AUSTINS COLONY Groundwater | TX2270255 | 2 | 0 | Low Level |
| RIVERSIDE SUD Groundwater | TX2360010 | 2 | 0 | Low Level |
| CITY OF BRENHAM Surface Water | TX2390001 | 2 | 0 | Low Level |
| WEBB COUNTY WATER UTILITIES Surface Water | TX2400022 | 2 | 0 | Low Level |
| CITY OF IOWA PARK Surface Water | TX2430003 | 2 | 0 | Low Level |
| WICHITA VALLEY WSC Surface Water | TX2430006 | 2 | 0 | Low Level |
| JARRELL SCHWERTNER WSC Surface Water | TX2460011 | 2 | 0 | Low Level |
| WILLIAMSON COUNTY MUD 11 Surface Water | TX2460159 | 2 | 0 | Low Level |
| CITY OF PALESTINE Surface Water | TX0010001 | 1 | 0 | Low Level |
| CITY OF LUFKIN Groundwater | TX0030004 | 1 | 0 | Low Level |
| FOUR WAY SUD Groundwater | TX0030020 | 1 | 0 | Low Level |
| MCCOY WSC Groundwater | TX0070023 | 1 | 0 | Low Level |
| BASTROP COUNTY WCID 2 Groundwater | TX0110020 | 1 | 0 | Low Level |
| BELL MILAM FALLS WSC Surface Water | TX0140007 | 1 | 0 | Low Level |
| CITY OF LEON VALLEY Groundwater | TX0150178 | 1 | 0 | Low Level |
| CITY OF HOOKS Surface Water | TX0190002 | 1 | 0 | Low Level |
| CITY OF NEW BOSTON Surface Water | TX0190003 | 1 | 0 | Low Level |
| CITY OF NASH Surface Water | TX0190006 | 1 | 0 | Low Level |
| CENTRAL BOWIE COUNTY WSC Surface Water | TX0190024 | 1 | 0 | Low Level |
| VILLAGE OF SURFSIDE BEACH Groundwater | TX0200037 | 1 | 0 | Low Level |
| WELLBORN SUD Surface Water | TX0210016 | 1 | 0 | Low Level |
| CITY OF BROWNWOOD Surface Water | TX0250002 | 1 | 0 | Low Level |
| BROOKESMITH SPECIAL UTILITY DISTRICT Surface Water | TX0250004 | 1 | 0 | Low Level |
| CITY OF GRANITE SHOALS Surface Water | TX0270049 | 1 | 0 | Low Level |
| BI COUNTY WSC 1 Groundwater | TX0320002 | 1 | 0 | Low Level |
| CITY OF HUGHES SPRINGS Surface Water | TX0340003 | 1 | 0 | Low Level |
| TBCD WINNIE STOWELL Surface Water | TX0360002 | 1 | 0 | Low Level |
| NORTH CHEROKEE WSC Surface Water | TX0370018 | 1 | 0 | Low Level |
| RRA TELL CEE VEE WS MX | TX0380013 | 1 | 0 | Low Level |
| CITY OF COLEMAN Surface Water | TX0420001 | 1 | 0 | Low Level |
| COLEMAN COUNTY SUD Surface Water | TX0420034 | 1 | 0 | Low Level |
| CITY OF CELINA Surface Water | TX0430003 | 1 | 0 | Low Level |
| CITY OF FARMERSVILLE Surface Water | TX0430004 | 1 | 0 | Low Level |
| CITY OF PRINCETON Surface Water | TX0430008 | 1 | 0 | Low Level |
| CITY OF ANNA MX | TX0430027 | 1 | 0 | Low Level |
| CULLEOKA WSC Surface Water | TX0430030 | 1 | 0 | Low Level |
| CITY OF MCKINNEY Surface Water | TX0430039 | 1 | 0 | Low Level |
| CITY OF MELISSA Surface Water | TX0430040 | 1 | 0 | Low Level |
| NORTH COLLIN SUD Surface Water | TX0430055 | 1 | 0 | Low Level |
| CLWSC CANYON LAKE SHORES Surface Water | TX0460019 | 1 | 0 | Low Level |
| CITY OF COMANCHE Surface Water | TX0470001 | 1 | 0 | Low Level |
| CORYELL CITY WATER SUPPLY DISTRICT Surface Water | TX0500013 | 1 | 0 | Low Level |
| CITY OF SANGER Surface Water | TX0610006 | 1 | 0 | Low Level |
| DENTON COUNTY FWSD 11-A PALOMA Surface Water | TX0610259 | 1 | 0 | Low Level |
| DENTON COUNTY FWSD 10 ARTESIA Surface Water | TX0610261 | 1 | 0 | Low Level |
| CITY OF EASTLAND Surface Water | TX0670002 | 1 | 0 | Low Level |
| PASEO DEL ESTE MUD 1 Surface Water | TX0710186 | 1 | 0 | Low Level |
| CITY OF MARLIN Surface Water | TX0730002 | 1 | 0 | Low Level |
| CITY OF BONHAM Surface Water | TX0740001 | 1 | 0 | Low Level |
| CITY OF LA GRANGE Groundwater | TX0750003 | 1 | 0 | Low Level |
| BLUE RIDGE WEST MUD Groundwater | TX0790051 | 1 | 0 | Low Level |
| FORT BEND COUNTY MUD 119 Surface Water | TX0790382 | 1 | 0 | Low Level |
| FORT BEND COUNTY MUD 129 Groundwater | TX0790437 | 1 | 0 | Low Level |
| CINCO SOUTHWEST MUD 3 DAYCARE Surface Water | TX0790521 | 1 | 0 | Low Level |
| CYPRESS SPRINGS SUD N PLANT 1 AND NE PLA Surface Water | TX0800003 | 1 | 0 | Low Level |
| CITY OF POST Surface Water | TX0850001 | 1 | 0 | Low Level |
| CITY OF PAMPA Groundwater | TX0900003 | 1 | 0 | Low Level |
| CITY OF VAN ALSTYNE Surface Water | TX0910009 | 1 | 0 | Low Level |
| TWO WAY SUD Groundwater | TX0910022 | 1 | 0 | Low Level |
| SOUTH GRAYSON SUD Groundwater | TX0910064 | 1 | 0 | Low Level |
| CITY OF KILGORE Surface Water | TX0920003 | 1 | 0 | Low Level |
| WICKSON CREEK SUD GRIMES COUNTY Groundwater | TX0930003 | 1 | 0 | Low Level |
| CITY OF CIBOLO Surface Water | TX0940018 | 1 | 0 | Low Level |
| GREEN VALLEY SUD Surface Water | TX0940020 | 1 | 0 | Low Level |
| PLAINVIEW MUNICIPAL WATER SYSTEM Surface Water | TX0950004 | 1 | 0 | Low Level |
| HARRIS COUNTY WCID 84 MX | TX1010113 | 1 | 0 | Low Level |
| FALLBROOK UTILITY DISTRICT Groundwater | TX1010340 | 1 | 0 | Low Level |
| HARRIS COUNTY WCID 109 Surface Water | TX1010359 | 1 | 0 | Low Level |
| PONDEROSA FOREST UTILITY DISTRICT Groundwater | TX1010384 | 1 | 0 | Low Level |
| HARRIS COUNTY WCID 110 Groundwater | TX1010482 | 1 | 0 | Low Level |
| HARRIS COUNTY MUD 119 Groundwater | TX1010626 | 1 | 0 | Low Level |
| CHARTERWOOD MUD Groundwater | TX1010632 | 1 | 0 | Low Level |
| MILLS ROAD MUD Groundwater | TX1011107 | 1 | 0 | Low Level |
| CY CHAMP PUD Groundwater | TX1011522 | 1 | 0 | Low Level |
| BRIDGESTONE MUD MX | TX1011550 | 1 | 0 | Low Level |
| FAULKEY GULLY MUD Groundwater | TX1011602 | 1 | 0 | Low Level |
| WESTERN PINES MHP Groundwater | TX1011714 | 1 | 0 | Low Level |
| NORTHWEST HARRIS COUNTY MUD 20 Groundwater | TX1011998 | 1 | 0 | Low Level |
| HARRIS COUNTY MUD 361 Groundwater | TX1013123 | 1 | 0 | Low Level |
| CITY OF MARSHALL Surface Water | TX1020002 | 1 | 0 | Low Level |
| CITY OF HALLSVILLE Surface Water | TX1020004 | 1 | 0 | Low Level |
| CITY OF HASKELL Surface Water | TX1040001 | 1 | 0 | Low Level |
| COUNTY LINE SUD Surface Water | TX1050038 | 1 | 0 | Low Level |
| EAST CEDAR CREEK FWSD B A MCKAY Surface Water | TX1070019 | 1 | 0 | Low Level |
| WEST CEDAR CREEK MUD Surface Water | TX1070190 | 1 | 0 | Low Level |
| MCALLEN PUBLIC UTILITY Surface Water | TX1080006 | 1 | 0 | Low Level |
| CITY OF MERCEDES MX | TX1080007 | 1 | 0 | Low Level |
| CITY OF MISSION Surface Water | TX1080008 | 1 | 0 | Low Level |
| CITY OF PHARR Surface Water | TX1080009 | 1 | 0 | Low Level |
| THE CONSOLIDATED WSC CENTRAL SYSTEM Surface Water | TX1130031 | 1 | 0 | Low Level |
| CITY OF COMMERCE Surface Water | TX1160003 | 1 | 0 | Low Level |
| COMBINED CONSUMERS SUD Surface Water | TX1160052 | 1 | 0 | Low Level |
| JEFFERSON COUNTY WCID 10 Surface Water | TX1230003 | 1 | 0 | Low Level |
| CITY OF PORT ARTHUR Surface Water | TX1230009 | 1 | 0 | Low Level |
| CITY OF ALICE Surface Water | TX1250001 | 1 | 0 | Low Level |
| CITY OF CLEBURNE Surface Water | TX1260003 | 1 | 0 | Low Level |
| CITY OF KEENE Surface Water | TX1260008 | 1 | 0 | Low Level |
| BETHANY SUD MX | TX1260016 | 1 | 0 | Low Level |
| BETHESDA WSC Surface Water | TX1260017 | 1 | 0 | Low Level |
| CITY OF KAUFMAN Surface Water | TX1290003 | 1 | 0 | Low Level |
| CITY OF MABANK Surface Water | TX1290005 | 1 | 0 | Low Level |
| ABLES SPRINGS SUD Surface Water | TX1290010 | 1 | 0 | Low Level |
| BECKER JIBA WSC Surface Water | TX1290011 | 1 | 0 | Low Level |
| ROSE HILL SUD Surface Water | TX1290023 | 1 | 0 | Low Level |
| KAUFMAN COUNTY FWSD 1A Surface Water | TX1290043 | 1 | 0 | Low Level |
| CITY OF KERRVILLE Groundwater | TX1330001 | 1 | 0 | Low Level |
| CITY OF GROESBECK Surface Water | TX1470002 | 1 | 0 | Low Level |
| CITY OF THREE RIVERS Surface Water | TX1490002 | 1 | 0 | Low Level |
| CITY OF HORSESHOE BAY Surface Water | TX1500015 | 1 | 0 | Low Level |
| LUBBOCK PUBLIC WATER SYSTEM Surface Water | TX1520002 | 1 | 0 | Low Level |
| CITY OF SLATON Surface Water | TX1520004 | 1 | 0 | Low Level |
| CITY OF MCGREGOR Surface Water | TX1550004 | 1 | 0 | Low Level |
| CITY OF WACO Surface Water | TX1550008 | 1 | 0 | Low Level |
| CITY OF BRUCEVILLE EDDY Surface Water | TX1550024 | 1 | 0 | Low Level |
| CITY OF HEWITT Groundwater | TX1550031 | 1 | 0 | Low Level |
| CITY OF LACY LAKEVIEW Surface Water | TX1550033 | 1 | 0 | Low Level |
| CITY OF WOODWAY MX | TX1550048 | 1 | 0 | Low Level |
| TEXAS STATE TECHNICAL COLLEGE - WACO Surface Water | TX1550138 | 1 | 0 | Low Level |
| MILANO WSC Groundwater | TX1660009 | 1 | 0 | Low Level |
| CITY OF BOWIE Surface Water | TX1690001 | 1 | 0 | Low Level |
| CITY OF DAINGERFIELD Surface Water | TX1720001 | 1 | 0 | Low Level |
| EMHOUSE WATER SYSTEM Surface Water | TX1750014 | 1 | 0 | Low Level |
| NAVARRO MILLS WSC MX | TX1750024 | 1 | 0 | Low Level |
| CITY OF SWEETWATER Surface Water | TX1770002 | 1 | 0 | Low Level |
| CITY OF BISHOP Surface Water | TX1780002 | 1 | 0 | Low Level |
| NUECES COUNTY WCID 3 Surface Water | TX1780005 | 1 | 0 | Low Level |
| NUECES COUNTY WCID 4 Surface Water | TX1780006 | 1 | 0 | Low Level |
| CORPUS CHRISTI NAVAL AIR STATION Surface Water | TX1780017 | 1 | 0 | Low Level |
| ORANGE COUNTY WCID 1 Groundwater | TX1810005 | 1 | 0 | Low Level |
| CITY OF MINERAL WELLS Surface Water | TX1820001 | 1 | 0 | Low Level |
| WALNUT CREEK SUD Surface Water | TX1840008 | 1 | 0 | Low Level |
| PARKER COUNTY SUD SURFACE Surface Water | TX1840079 | 1 | 0 | Low Level |
| LAKE LIVINGSTON VILLAGE Groundwater | TX1870156 | 1 | 0 | Low Level |
| AMARILLO MUNICIPAL WATER SYSTEM Surface Water | TX1880001 | 1 | 0 | Low Level |
| CANYON MUNICIPAL WATER SYSTEM Surface Water | TX1910001 | 1 | 0 | Low Level |
| CITY OF HENDERSON Surface Water | TX2010001 | 1 | 0 | Low Level |
| SAN JACINTO SUD Groundwater | TX2040033 | 1 | 0 | Low Level |
| CITY OF SNYDER Surface Water | TX2080001 | 1 | 0 | Low Level |
| SOUTHERN UTILITIES Surface Water | TX2120063 | 1 | 0 | Low Level |
| CITY OF ROMA Surface Water | TX2140007 | 1 | 0 | Low Level |
| RIO WSC Surface Water | TX2140016 | 1 | 0 | Low Level |
| CITY OF RIO GRANDE CITY Surface Water | TX2140018 | 1 | 0 | Low Level |
| CITY OF BRECKENRIDGE Surface Water | TX2150001 | 1 | 0 | Low Level |
| CITY OF CROWLEY Surface Water | TX2200034 | 1 | 0 | Low Level |
| COMMUNITY WSC Surface Water | TX2200044 | 1 | 0 | Low Level |
| CITY OF MOUNT PLEASANT Surface Water | TX2250001 | 1 | 0 | Low Level |
| TRI SUD Surface Water | TX2250004 | 1 | 0 | Low Level |
| JONESTOWN WSC Surface Water | TX2270011 | 1 | 0 | Low Level |
| TRAVIS COUNTY WCID 17 Surface Water | TX2270027 | 1 | 0 | Low Level |
| CITY OF LAGO VISTA Surface Water | TX2270092 | 1 | 0 | Low Level |
| AUSTIN WHITE LIME COMPANY MCNEIL PLANT & Groundwater | TX2270196 | 1 | 0 | Low Level |
| WELLS BRANCH MUD 1 Surface Water | TX2270227 | 1 | 0 | Low Level |
| WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY Surface Water | TX2270235 | 1 | 0 | Low Level |
| NORTHTOWN MUD Surface Water | TX2270264 | 1 | 0 | Low Level |
| TRAVIS COUNTY MUD 18 Surface Water | TX2270403 | 1 | 0 | Low Level |
| TYLER COUNTY SUD Groundwater | TX2290037 | 1 | 0 | Low Level |
| DIANA SUD Surface Water | TX2300006 | 1 | 0 | Low Level |
| CITY OF CANTON, TX Surface Water | TX2340001 | 1 | 0 | Low Level |
| CITY OF VICTORIA Surface Water | TX2350002 | 1 | 0 | Low Level |
| CITY OF BURTON Groundwater | TX2390002 | 1 | 0 | Low Level |
| CITY OF LAREDO Surface Water | TX2400001 | 1 | 0 | Low Level |
| CITY OF RAYMONDVILLE Surface Water | TX2450001 | 1 | 0 | Low Level |
| CITY OF CEDAR PARK Surface Water | TX2460009 | 1 | 0 | Low Level |
| CITY OF LEANDER Surface Water | TX2460012 | 1 | 0 | Low Level |
| BLOCK HOUSE MUD Surface Water | TX2460110 | 1 | 0 | Low Level |
| FERN BLUFF MUD Surface Water | TX2460128 | 1 | 0 | Low Level |
| CITY OF BRIDGEPORT Surface Water | TX2490003 | 1 | 0 | Low Level |
| CITY OF DECATUR Surface Water | TX2490005 | 1 | 0 | Low Level |
| WEST WISE SUD Surface Water | TX2490016 | 1 | 0 | Low Level |
| BRIGHT STAR-SALEM SUD Surface Water | TX2500015 | 1 | 0 | Low Level |
| CITY OF GRAHAM Surface Water | TX2520001 | 1 | 0 | Low Level |
| FORT BELKNAP WSC Surface Water | TX2520007 | 1 | 0 | Low Level |
| ZAPATA COUNTY WATERWORKS SWTP Surface Water | TX2530002 | 1 | 0 | Low Level |