All 954 systems had complete monitoring. 25 reached at least one study comparison level; 929 did not. “Study comparison level” means the dated EPA technical cutoff used in this January 2026 research release. It does not determine household exposure, health risk, or current legal compliance.
Find your water system
ZIP codes are used only to route visitors to public water systems that reported serving them. Confirm the actual provider using a water bill or utility record.
System counts in Texas
Each count shows how many included water systems reached the named study level.
| Study comparison | Systems reaching level | Water systems included | Percent |
|---|---|---|---|
| PFOA: study level 4.05 ppt (April 2024 EPA level: 4 ppt) | 5 | 954 | 0.5% |
| PFOS: study level 4.05 ppt (April 2024 EPA level: 4 ppt) | 24 | 954 | 2.5% |
| PFHxS: study level 15 ppt (April 2024 EPA level: 10 ppt) | 6 | 954 | 0.6% |
| PFNA: study level 15 ppt (April 2024 EPA level: 10 ppt) | 2 | 954 | 0.2% |
| HFPO-DA: study level 15 ppt (April 2024 EPA level: 10 ppt) | 0 | 954 | 0.0% |
| Hazard Index: study level 1.5 with at least two detected components (April 2024 EPA level: 1) | 8 | 954 | 0.8% |
Community water systems with complete monitoring
Each PWSID appears once, preventing double counting across ZIP associations.
| Public water system | PWSID | Population served | Primary source | Sampling locations | Study comparison |
|---|---|---|---|---|---|
| 439 WSC | TX0140076 | 7,836 | Surface water purchased | 3 | Below the study levels |
| ACTON MUD | TX1110007 | 20,458 | Surface water | 20 | Below the study levels |
| ADDICKS UTILITY DISTRICT | TX1011019 | 8,076 | Surface water purchased | 2 | Below the study levels |
| AGUA SUD | TX1080022 | 53,796 | Surface water | 2 | Below the study levels |
| AIRLINE MOBILE HOME PARK | TX1650003 | 1,973 | Ground water | 4 | Below the study levels |
| ALTO RURAL WSC CENTRAL HIGH PLANT | TX0370055 | 1,305 | Ground water | 1 | Below the study levels |
| AMARILLO MUNICIPAL WATER SYSTEM | TX1880001 | 201,291 | Surface water | 6 | Below the study levels |
| ANGELINA WSC | TX0030016 | 3,479 | Ground water | 3 | Below the study levels |
| AQUA WSC | TX0110013 | 86,325 | Ground water | 14 | Below the study levels |
| ARGYLE WSC | TX0610019 | 12,720 | Surface water purchased | 6 | Below the study levels |
| ARLAM CONCORD WSC | TX2010004 | 990 | Ground water | 2 | Below the study levels |
| ATASCOSA RURAL WSC | TX0150040 | 13,857 | Surface water purchased | 3 | Below the study levels |
| AUSTIN COUNTY WSC 4 | TX0080043 | 681 | Ground water | 1 | Below the study levels |
| B H P WSC | TX1160015 | 6,321 | Surface water purchased | 1 | Below the study levels |
| BARKER CYPRESS MUD | TX1011613 | 8,976 | Surface water purchased | 2 | Below the study levels |
| BASTROP COUNTY WCID 2 | TX0110020 | 7,269 | Ground water | 3 | Below the study levels |
| BEAR CREEK SUD | TX0430037 | 15,822 | Surface water purchased | 2 | Below the study levels |
| BELL COUNTY WCID 3 | TX0140031 | 7,836 | Surface water purchased | 2 | Below the study levels |
| BENBROOK WATER AUTHORITY | TX2200029 | 25,616 | Surface water | 9 | Below the study levels |
| BENDERS LANDING WATER PLANT 1 & 2 | TX1700678 | 5,892 | Ground water | 3 | Below the study levels |
| BENTON CITY WSC | TX1630034 | 32,000 | Ground water | 4 | Below the study levels |
| BENTWATER ON LAKE GRANBURY | TX1110116 | 1,584 | Ground water | 1 | Below the study levels |
| BETHANY SUD | TX1260016 | 4,503 | Surface water purchased | 6 | Below the study levels |
| BETHEL ASH WSC LOWE PLANT | TX1070240 | 786 | Ground water | 1 | Below the study levels |
| BETHESDA WSC | TX1260017 | 33,441 | Surface water purchased | 10 | Below the study levels |
| BEXAR COUNTY WCID 10 WINDCREST | TX0150106 | 8,154 | Ground water | 4 | Below the study levels |
| BI COUNTY WSC 1 | TX0320002 | 12,777 | Ground water | 12 | Below the study levels |
| BIG OAKS MUD | TX0790332 | 6,450 | Surface water purchased | 1 | Below the study levels |
| BILMA PUD | TX1011872 | 5,397 | Surface water purchased | 2 | Below the study levels |
| BISSONNET MUD | TX1010883 | 8,160 | Ground water | 2 | Below the study levels |
| BLACKLAND WSC | TX1990004 | 6,171 | Surface water purchased | 2 | Below the study levels |
| BLUE RIDGE WEST MUD | TX0790051 | 7,545 | Ground water | 2 | Below the study levels |
| BOIS D ARC MUD | TX0740044 | 3,011 | Ground water | 3 | Below the study levels |
| BOLIVAR PENINSULA SUD | TX0840044 | 18,424 | Surface water purchased | 1 | Below the study levels |
| BORGER MUNICIPAL WATER SYSTEM | TX1170001 | 12,419 | Surface water | 4 | Below the study levels |
| BRAZORIA COUNTY MUD 2 | TX0200386 | 3,567 | Ground water | 4 | Below the study levels |
| BRAZORIA COUNTY MUD 21 | TX0200610 | 4,833 | Ground water | 1 | Below the study levels |
| BRAZORIA COUNTY MUD 25 | TX0200615 | 5,250 | Ground water | 2 | Below the study levels |
| BRAZORIA COUNTY MUD 29 | TX0200612 | 5,898 | Ground water | 1 | Below the study levels |
| BRAZORIA COUNTY MUD 3 | TX0200560 | 4,230 | Ground water purchased | 1 | Below the study levels |
| BRAZORIA COUNTY MUD 6 | TX0200578 | 6,926 | Ground water purchased | 1 | Below the study levels |
| BRIDGESTONE MUD | TX1011550 | 24,528 | Surface water purchased | 3 | Below the study levels |
| BRIGHT STAR-SALEM SUD | TX2500015 | 6,738 | Surface water | 5 | Below the study levels |
| BRITTMOORE UTILITY | TX1011014 | 3,732 | Ground water | 2 | Below the study levels |
| BROWNSVILLE PUBLIC UTILITIES BOARD | TX0310001 | 201,249 | Surface water | 2 | Reached a study level |
| BRUSHY CREEK MUD | TX2460061 | 18,314 | Surface water | 1 | Below the study levels |
| BRUSHY CREEK WSC | TX0010036 | 4,866 | Ground water | 5 | Below the study levels |
| BUENA VISTA BETHEL SUD | TX0700037 | 8,218 | Ground water | 5 | Below the study levels |
| CADDO BASIN SUD | TX1160029 | 14,574 | Surface water purchased | 2 | Below the study levels |
| CANYON MUNICIPAL WATER SYSTEM | TX1910001 | 15,771 | Surface water purchased | 4 | Below the study levels |
| CANYON PARK WSC | TX1870034 | 1,200 | Ground water | 1 | Below the study levels |
| CANYON SPRINGS WATER | TX0460022 | 1,528 | Ground water | 3 | Below the study levels |
| CAROLYNN ESTATES | TX1070106 | 3,906 | Surface water | 1 | Below the study levels |
| CARRIAGE HILLS | TX1700279 | 1,833 | Ground water | 2 | Below the study levels |
| CASH SUD | TX1160018 | 25,875 | Surface water | 2 | Reached a study level |
| CEDAR CREEK WATER SYSTEM | TX1090012 | 3,720 | Ground water | 4 | Below the study levels |
| CENTRAL BOWIE COUNTY WSC | TX0190024 | 9,210 | Surface water purchased | 3 | Below the study levels |
| CENTRAL WCID OF ANGELINA COUNTY | TX0030019 | 7,381 | Ground water | 2 | Below the study levels |
| CHALK BLUFF WSC | TX1550020 | 3,852 | Ground water | 3 | Below the study levels |
| CHALK HILL SUD | TX2010050 | 4,830 | Ground water | 4 | Below the study levels |
| CHAMPIONS MUD | TX1010233 | 4,098 | Ground water | 1 | Below the study levels |
| CHARTERWOOD MUD | TX1010632 | 5,832 | Ground water | 2 | Below the study levels |
| CHATFIELD WSC | TX1750012 | 6,546 | Surface water purchased | 1 | Below the study levels |
| CHELFORD CITY MUD | TX1010782 | 8,917 | Ground water | 4 | Below the study levels |
| CHELFORD ONE MUD | TX1010767 | 4,557 | Ground water | 1 | Below the study levels |
| CIMARRON MUD | TX1011410 | 19,338 | Ground water | 3 | Below the study levels |
| CINCO MUD 14 | TX0790422 | 6,192 | Ground water purchased | 1 | Below the study levels |
| CINCO MUD 2 | TX0790306 | 4,743 | Ground water purchased | 1 | Below the study levels |
| CINCO MUD 7 | TX0790343 | 4,239 | Ground water purchased | 1 | Below the study levels |
| CINCO MUD 8 | TX0790324 | 5,613 | Ground water purchased | 1 | Below the study levels |
| CINCO MUD 9 | TX0790307 | 3,828 | Ground water purchased | 1 | Below the study levels |
| CINCO SOUTHWEST MUD 2 | TX0790481 | 5,496 | Surface water purchased | 1 | Below the study levels |
| CINCO SOUTHWEST MUD 3 DAYCARE | TX0790521 | 5,187 | Surface water purchased | 1 | Below the study levels |
| CITY OF ABILENE | TX2210001 | 130,501 | Surface water | 3 | Reached a study level |
| CITY OF ALAMO | TX1080001 | 21,065 | Surface water | 1 | Below the study levels |
| CITY OF ALAMO HEIGHTS | TX0150039 | 7,357 | Ground water | 6 | Below the study levels |
| CITY OF ALEDO | TX1840001 | 5,521 | Surface water purchased | 4 | Below the study levels |
| CITY OF ALICE | TX1250001 | 19,104 | Surface water | 1 | Below the study levels |
| CITY OF ALLEN | TX0430025 | 113,746 | Surface water purchased | 1 | Below the study levels |
| CITY OF ALVARADO | TX1260001 | 6,614 | Surface water purchased | 1 | Below the study levels |
| CITY OF ALVIN | TX0200001 | 26,244 | Ground water | 3 | Below the study levels |
| CITY OF ANDREWS | TX0020001 | 14,109 | Ground water | 1 | Below the study levels |
| CITY OF ANGLETON | TX0200002 | 19,429 | Surface water purchased | 4 | Below the study levels |
| CITY OF ANNA | TX0430027 | 23,960 | Surface water purchased | 4 | Below the study levels |
| CITY OF ARLINGTON | TX2200001 | 413,955 | Surface water | 2 | Below the study levels |
| CITY OF ATHENS | TX1070005 | 17,934 | Surface water purchased | 3 | Below the study levels |
| CITY OF ATLANTA | TX0340001 | 5,418 | Surface water purchased | 1 | Below the study levels |
| CITY OF AUSTIN WATER & WASTEWATER | TX2270001 | 1,115,323 | Surface water | 3 | Below the study levels |
| CITY OF AZLE | TX2200002 | 14,847 | Surface water | 1 | Below the study levels |
| CITY OF BALCH SPRINGS | TX0570032 | 28,300 | Surface water purchased | 2 | Below the study levels |
| CITY OF BARTLETT | TX2460006 | 2,950 | Ground water | 1 | Below the study levels |
| CITY OF BAY CITY | TX1610001 | 18,061 | Ground water | 5 | Below the study levels |
| CITY OF BAYTOWN | TX1010003 | 86,004 | Surface water purchased | 2 | Reached a study level |
| CITY OF BEAUMONT WATER UTILITY DEPT | TX1230001 | 115,282 | Surface water | 2 | Below the study levels |
| CITY OF BEDFORD | TX2200003 | 49,941 | Surface water purchased | 3 | Below the study levels |
| CITY OF BEEVILLE | TX0130001 | 13,664 | Surface water | 2 | Below the study levels |
| CITY OF BELLAIRE | TX1010004 | 18,090 | Surface water purchased | 3 | Below the study levels |
| CITY OF BELLMEAD | TX1550001 | 10,664 | Ground water | 5 | Below the study levels |
| CITY OF BELLVILLE | TX0080001 | 4,206 | Ground water | 1 | Below the study levels |
| CITY OF BELTON | TX0140002 | 23,054 | Surface water purchased | 1 | Below the study levels |
| CITY OF BIG SPRING | TX1140001 | 27,282 | Surface water | 1 | Below the study levels |
| CITY OF BISHOP | TX1780002 | 3,186 | Surface water purchased | 1 | Below the study levels |
| CITY OF BOERNE | TX1300001 | 24,769 | Surface water | 8 | Reached a study level |
| CITY OF BONHAM | TX0740001 | 10,746 | Surface water purchased | 1 | Below the study levels |
| CITY OF BOWIE | TX1690001 | 5,534 | Surface water | 1 | Below the study levels |
| CITY OF BRENHAM | TX2390001 | 18,469 | Surface water | 1 | Below the study levels |
| CITY OF BRIDGE CITY | TX1810001 | 9,546 | Ground water | 3 | Below the study levels |
| CITY OF BRIDGEPORT | TX2490003 | 5,930 | Surface water | 1 | Below the study levels |
| CITY OF BROWNFIELD | TX2230001 | 8,652 | Surface water purchased | 2 | Below the study levels |
| CITY OF BROWNWOOD | TX0250002 | 18,862 | Surface water purchased | 1 | Below the study levels |
| CITY OF BRUCEVILLE EDDY | TX1550024 | 10,570 | Surface water purchased | 4 | Below the study levels |
| CITY OF BRYAN | TX0210001 | 91,031 | Ground water | 1 | Below the study levels |
| CITY OF BUDA | TX1050012 | 13,830 | Surface water purchased | 5 | Below the study levels |
| CITY OF BULLARD | TX2120006 | 4,500 | Ground water | 4 | Below the study levels |
| CITY OF BURKBURNETT | TX2430005 | 10,978 | Surface water purchased | 2 | Below the study levels |
| CITY OF BURLESON | TX1260002 | 53,381 | Surface water purchased | 1 | Below the study levels |
| CITY OF BURNET | TX0270001 | 7,011 | Surface water | 2 | Below the study levels |
| CITY OF BURTON | TX2390002 | 315 | Ground water | 1 | Below the study levels |
| CITY OF CACTUS | TX1710003 | 3,000 | Ground water | 3 | Below the study levels |
| CITY OF CALDWELL | TX0260001 | 4,358 | Ground water | 2 | Below the study levels |
| CITY OF CAMERON | TX1660001 | 5,489 | Surface water | 1 | Below the study levels |
| CITY OF CANTON, TX | TX2340001 | 5,028 | Surface water | 2 | Below the study levels |
| CITY OF CARRIZO SPRINGS | TX0640002 | 5,830 | Ground water | 1 | Below the study levels |
| CITY OF CARROLLTON | TX0570034 | 136,170 | Surface water purchased | 4 | Below the study levels |
| CITY OF CARTHAGE | TX1830001 | 6,770 | Surface water | 1 | Below the study levels |
| CITY OF CEDAR HILL | TX0570036 | 50,904 | Surface water purchased | 1 | Below the study levels |
| CITY OF CEDAR PARK | TX2460009 | 86,939 | Surface water | 2 | Below the study levels |
| CITY OF CENTER | TX2100001 | 5,450 | Surface water | 2 | Below the study levels |
| CITY OF CHARLOTTE | TX0070016 | 2,247 | Ground water | 2 | Below the study levels |
| CITY OF CHILDRESS | TX0380001 | 6,105 | Surface water purchased | 1 | Below the study levels |
| CITY OF CIBOLO | TX0940018 | 20,331 | Surface water purchased | 1 | Below the study levels |
| CITY OF CLEBURNE | TX1260003 | 34,075 | Surface water | 1 | Below the study levels |
| CITY OF CLEVELAND | TX1460001 | 12,438 | Ground water | 3 | Below the study levels |
| CITY OF CLIFTON | TX0180001 | 3,442 | Surface water | 3 | Below the study levels |
| CITY OF CLUTE | TX0200004 | 10,604 | Surface water purchased | 5 | Below the study levels |
| CITY OF COCKRELL HILL | TX0570038 | 3,855 | Surface water purchased | 1 | Below the study levels |
| CITY OF COLEMAN | TX0420001 | 3,998 | Surface water | 1 | Below the study levels |
| CITY OF COLLEGE STATION | TX0210002 | 104,103 | Ground water | 1 | Below the study levels |
| CITY OF COLLEYVILLE | TX2200043 | 26,599 | Surface water purchased | 1 | Below the study levels |
| CITY OF COLORADO CITY | TX1680001 | 3,991 | Ground water | 1 | Below the study levels |
| CITY OF COLUMBUS | TX0450001 | 3,739 | Ground water | 3 | Below the study levels |
| CITY OF COMMERCE | TX1160003 | 9,266 | Surface water | 2 | Below the study levels |
| CITY OF CONROE | TX1700001 | 113,912 | Surface water purchased | 16 | Below the study levels |
| CITY OF CONVERSE | TX0150047 | 29,709 | Surface water purchased | 5 | Below the study levels |
| CITY OF COPPELL | TX0570040 | 43,193 | Surface water purchased | 1 | Below the study levels |
| CITY OF COPPERAS COVE | TX0500001 | 41,669 | Surface water purchased | 1 | Below the study levels |
| CITY OF CORINTH, TX | TX0610065 | 23,213 | Surface water purchased | 1 | Below the study levels |
| CITY OF CORPUS CHRISTI | TX1780003 | 318,387 | Surface water | 1 | Below the study levels |
| CITY OF CORSICANA | TX1750002 | 25,885 | Surface water | 2 | Below the study levels |
| CITY OF COTULLA | TX1420001 | 5,640 | Ground water | 4 | Below the study levels |
| CITY OF CROCKETT | TX1130001 | 7,755 | Surface water purchased | 1 | Below the study levels |
| CITY OF CROWLEY | TX2200034 | 19,935 | Surface water purchased | 1 | Below the study levels |
| CITY OF CRYSTAL CITY | TX2540001 | 7,128 | Ground water | 4 | Below the study levels |
| CITY OF CUERO | TX0620001 | 9,807 | Ground water | 3 | Below the study levels |
| CITY OF CUMBY | TX1120001 | 685 | Ground water | 1 | Below the study levels |
| CITY OF DAINGERFIELD | TX1720001 | 2,522 | Surface water purchased | 1 | Below the study levels |
| CITY OF DAYTON | TX1460002 | 15,393 | Ground water | 2 | Below the study levels |
| CITY OF DECATUR | TX2490005 | 6,910 | Surface water | 1 | Below the study levels |
| CITY OF DEER PARK | TX1010007 | 34,495 | Surface water purchased | 1 | Below the study levels |
| CITY OF DENISON | TX0910003 | 27,500 | Surface water | 1 | Below the study levels |
| CITY OF DENTON | TX0610002 | 150,037 | Surface water | 2 | Below the study levels |
| CITY OF DENVER CITY | TX2510001 | 5,500 | Ground water | 1 | Below the study levels |
| CITY OF DESOTO | TX0570006 | 57,999 | Surface water purchased | 1 | Below the study levels |
| CITY OF DEVINE | TX1630006 | 4,335 | Ground water | 3 | Below the study levels |
| CITY OF DIBOLL | TX0030001 | 5,207 | Ground water | 3 | Below the study levels |
| CITY OF DILLEY | TX0820001 | 4,505 | Ground water | 2 | Below the study levels |
| CITY OF DONNA | TX1080002 | 18,720 | Surface water | 1 | Below the study levels |
| CITY OF DUBLIN | TX0720001 | 3,388 | Surface water purchased | 1 | Reached a study level |
| CITY OF DUMAS | TX1710001 | 14,290 | Ground water | 1 | Below the study levels |
| CITY OF DUNCANVILLE | TX0570007 | 39,413 | Surface water purchased | 1 | Below the study levels |
| CITY OF EAGLE PASS | TX1620001 | 54,900 | Surface water | 1 | Below the study levels |
| CITY OF EASTLAND | TX0670002 | 3,609 | Surface water purchased | 1 | Below the study levels |
| CITY OF EDINBURG | TX1080004 | 85,224 | Surface water | 2 | Below the study levels |
| CITY OF EDNA | TX1200001 | 5,987 | Ground water | 2 | Below the study levels |
| CITY OF EL CAMPO | TX2410002 | 12,095 | Ground water | 4 | Below the study levels |
| CITY OF ELGIN | TX0110002 | 13,188 | Ground water | 1 | Below the study levels |
| CITY OF ELMENDORF | TX0150048 | 4,221 | Ground water | 2 | Below the study levels |
| CITY OF ELSA | TX1080005 | 5,500 | Surface water | 1 | Below the study levels |
| CITY OF EMORY | TX1900001 | 3,762 | Surface water | 1 | Below the study levels |
| CITY OF ENNIS | TX0700001 | 24,891 | Surface water | 1 | Below the study levels |
| CITY OF EULESS | TX2200031 | 61,601 | Surface water purchased | 3 | Below the study levels |
| CITY OF EVERMAN | TX2200010 | 6,279 | Ground water | 4 | Below the study levels |
| CITY OF FAIRFIELD | TX0810001 | 3,005 | Ground water | 2 | Below the study levels |
| CITY OF FARMERS BRANCH | TX0570047 | 40,246 | Surface water purchased | 1 | Below the study levels |
| CITY OF FARMERSVILLE | TX0430004 | 5,312 | Surface water purchased | 1 | Below the study levels |
| CITY OF FATE | TX1990006 | 29,285 | Surface water purchased | 1 | Below the study levels |
| CITY OF FLORESVILLE | TX2470001 | 8,306 | Ground water | 3 | Below the study levels |
| CITY OF FOREST HILL | TX2200011 | 13,701 | Surface water purchased | 1 | Below the study levels |
| CITY OF FORNEY | TX1290002 | 29,692 | Surface water purchased | 2 | Below the study levels |
| CITY OF FORT STOCKTON | TX1860001 | 8,142 | Ground water | 2 | Below the study levels |
| CITY OF FORT WORTH | TX2200012 | 955,900 | Surface water | 5 | Reached a study level |
| CITY OF FREDERICKSBURG | TX0860001 | 11,257 | Ground water | 2 | Below the study levels |
| CITY OF FREEPORT | TX0200005 | 10,594 | Surface water purchased | 1 | Below the study levels |
| CITY OF FRIENDSWOOD | TX0840002 | 43,190 | Surface water purchased | 8 | Below the study levels |
| CITY OF FRISCO | TX0430005 | 231,910 | Surface water purchased | 1 | Below the study levels |
| CITY OF FULSHEAR | TX0790133 | 34,000 | Ground water | 4 | Below the study levels |
| CITY OF GAINESVILLE | TX0490001 | 18,107 | Surface water | 6 | Below the study levels |
| CITY OF GALENA PARK | TX1010009 | 10,487 | Surface water purchased | 2 | Below the study levels |
| CITY OF GALVESTON | TX0840003 | 52,326 | Surface water purchased | 3 | Below the study levels |
| CITY OF GARDEN RIDGE | TX0460027 | 5,100 | Ground water | 3 | Below the study levels |
| CITY OF GARLAND | TX0570010 | 248,822 | Surface water purchased | 1 | Below the study levels |
| CITY OF GATESVILLE | TX0500002 | 16,135 | Surface water | 1 | Below the study levels |
| CITY OF GEORGETOWN | TX2460001 | 191,639 | Surface water | 6 | Below the study levels |
| CITY OF GIDDINGS | TX1440001 | 7,878 | Ground water | 2 | Below the study levels |
| CITY OF GILMER | TX2300002 | 8,115 | Ground water | 3 | Below the study levels |
| CITY OF GLADEWATER | TX0920001 | 6,441 | Surface water | 1 | Below the study levels |
| CITY OF GLENN HEIGHTS | TX0570085 | 18,718 | Surface water purchased | 1 | Below the study levels |
| CITY OF GONZALES | TX0890001 | 9,172 | Surface water | 2 | Below the study levels |
| CITY OF GRAHAM | TX2520001 | 8,718 | Surface water | 1 | Below the study levels |
| CITY OF GRANBURY | TX1110001 | 11,468 | Surface water | 9 | Below the study levels |
| CITY OF GRAND PRAIRIE | TX0570048 | 201,843 | Surface water purchased | 5 | Reached a study level |
| CITY OF GRANITE SHOALS | TX0270049 | 6,795 | Surface water | 1 | Below the study levels |
| CITY OF GRAPEVINE | TX2200013 | 52,346 | Surface water | 2 | Below the study levels |
| CITY OF GREENVILLE, TX | TX1160004 | 33,354 | Surface water | 1 | Reached a study level |
| CITY OF GROESBECK | TX1470002 | 4,250 | Surface water | 1 | Below the study levels |
| CITY OF GROVES | TX1230012 | 17,335 | Surface water | 1 | Below the study levels |
| CITY OF HACKBERRY | TX0610091 | 2,979 | Surface water purchased | 1 | Below the study levels |
| CITY OF HALLSVILLE | TX1020004 | 5,580 | Surface water purchased | 1 | Below the study levels |
| CITY OF HALTOM CITY | TX2200014 | 46,260 | Surface water purchased | 2 | Reached a study level |
| CITY OF HARKER HEIGHTS | TX0140023 | 35,957 | Surface water purchased | 1 | Below the study levels |
| CITY OF HEARNE | TX1980004 | 4,959 | Ground water | 4 | Below the study levels |
| CITY OF HEATH | TX1990014 | 10,464 | Surface water purchased | 1 | Below the study levels |
| CITY OF HEMPSTEAD | TX2370001 | 7,158 | Ground water | 2 | Below the study levels |
| CITY OF HENDERSON | TX2010001 | 14,666 | Surface water | 8 | Below the study levels |
| CITY OF HEWITT | TX1550031 | 16,978 | Surface water purchased | 3 | Below the study levels |
| CITY OF HIDALGO | TX1080021 | 14,800 | Ground water | 2 | Below the study levels |
| CITY OF HIGHLAND VILLAGE | TX0610080 | 16,500 | Surface water purchased | 5 | Below the study levels |
| CITY OF HILLSBORO | TX1090001 | 8,867 | Surface water purchased | 5 | Below the study levels |
| CITY OF HONDO | TX1630002 | 11,044 | Ground water | 3 | Below the study levels |
| CITY OF HORSESHOE BAY | TX1500015 | 12,729 | Surface water | 2 | Below the study levels |
| CITY OF HOUSTON DISTRICT 73 | TX1011585 | 6,105 | Ground water | 2 | Below the study levels |
| CITY OF HOUSTON DISTRICT 82 | TX1011593 | 1,104 | Ground water | 1 | Below the study levels |
| CITY OF HOUSTON UD 5 - KINGWOOD | TX1010348 | 80,073 | Ground water | 6 | Below the study levels |
| CITY OF HOUSTON WILLOW CHASE | TX1011902 | 14,169 | Ground water | 4 | Below the study levels |
| CITY OF HOUSTON, TX | TX1010013 | 2,970,543 | Surface water | 39 | Below the study levels |
| CITY OF HUDSON OAKS | TX1840006 | 3,487 | Surface water purchased | 5 | Below the study levels |
| CITY OF HUMBLE | TX1010014 | 15,616 | Surface water purchased | 4 | Below the study levels |
| CITY OF HUNTSVILLE | TX2360001 | 48,522 | Surface water purchased | 4 | Reached a study level |
| CITY OF HURST | TX2200054 | 40,454 | Surface water purchased | 4 | Below the study levels |
| CITY OF HUTCHINS | TX0570012 | 5,902 | Surface water purchased | 1 | Below the study levels |
| CITY OF HUTTO | TX2460007 | 29,580 | Surface water purchased | 2 | Below the study levels |
| CITY OF INGLESIDE | TX2050002 | 10,106 | Surface water purchased | 2 | Below the study levels |
| CITY OF IRVING | TX0570050 | 264,546 | Surface water purchased | 3 | Below the study levels |
| CITY OF JACINTO CITY | TX1010015 | 9,613 | Surface water purchased | 1 | Below the study levels |
| CITY OF JACKSBORO | TX1190002 | 4,397 | Surface water | 1 | Below the study levels |
| CITY OF JACKSONVILLE | TX0370002 | 14,420 | Surface water | 6 | Below the study levels |
| CITY OF JASPER | TX1210001 | 9,884 | Ground water | 4 | Below the study levels |
| CITY OF JERSEY VILLAGE | TX1010016 | 7,792 | Surface water purchased | 3 | Below the study levels |
| CITY OF JOSEPHINE | TX0430036 | 9,800 | Surface water purchased | 1 | Below the study levels |
| CITY OF JUSTIN | TX0610003 | 7,537 | Surface water purchased | 1 | Below the study levels |
| CITY OF KARNES CITY | TX1280001 | 4,269 | Ground water | 1 | Below the study levels |
| CITY OF KATY | TX1010017 | 25,253 | Ground water | 6 | Below the study levels |
| CITY OF KEENE | TX1260008 | 6,863 | Surface water purchased | 7 | Below the study levels |
| CITY OF KELLER | TX2200096 | 46,308 | Surface water purchased | 1 | Below the study levels |
| CITY OF KENNEDALE | TX2200017 | 7,670 | Surface water purchased | 3 | Below the study levels |
| CITY OF KERMIT | TX2480001 | 5,708 | Ground water | 2 | Below the study levels |
| CITY OF KERRVILLE | TX1330001 | 23,489 | Surface water | 9 | Below the study levels |
| CITY OF KILGORE | TX0920003 | 14,948 | Surface water | 2 | Below the study levels |
| CITY OF KILLEEN | TX0140006 | 161,027 | Surface water purchased | 2 | Below the study levels |
| CITY OF KINGSVILLE | TX1370001 | 25,402 | Surface water purchased | 8 | Below the study levels |
| CITY OF KIRBY | TX0150010 | 8,142 | Ground water | 2 | Below the study levels |
| CITY OF KRUM | TX0610007 | 6,062 | Surface water purchased | 5 | Below the study levels |
| CITY OF KYLE | TX1050002 | 52,000 | Surface water purchased | 4 | Below the study levels |
| CITY OF LA FERIA | TX0310003 | 7,226 | Surface water | 1 | Below the study levels |
| CITY OF LA GRANGE | TX0750003 | 4,973 | Ground water | 4 | Below the study levels |
| CITY OF LA MARQUE | TX0840006 | 15,154 | Surface water purchased | 1 | Below the study levels |
| CITY OF LA PORTE | TX1010018 | 36,569 | Surface water purchased | 7 | Below the study levels |
| CITY OF LACY LAKEVIEW | TX1550033 | 7,275 | Surface water purchased | 1 | Below the study levels |
| CITY OF LAGO VISTA | TX2270092 | 8,698 | Surface water | 2 | Below the study levels |
| CITY OF LAKE JACKSON | TX0200006 | 27,314 | Surface water purchased | 5 | Below the study levels |
| CITY OF LAKE WORTH | TX2200060 | 4,720 | Surface water purchased | 4 | Below the study levels |
| CITY OF LAMESA | TX0580001 | 9,442 | Surface water purchased | 2 | Below the study levels |
| CITY OF LANCASTER, TX | TX0570013 | 40,449 | Surface water purchased | 1 | Below the study levels |
| CITY OF LAREDO | TX2400001 | 260,046 | Surface water | 2 | Below the study levels |
| CITY OF LEAGUE CITY | TX0840007 | 149,557 | Surface water purchased | 4 | Below the study levels |
| CITY OF LEANDER | TX2460012 | 98,330 | Surface water | 2 | Below the study levels |
| CITY OF LEON VALLEY | TX0150178 | 7,794 | Ground water | 2 | Below the study levels |
| CITY OF LEVELLAND | TX1100002 | 12,652 | Surface water purchased | 3 | Below the study levels |
| CITY OF LEWISVILLE | TX0610004 | 140,880 | Surface water | 3 | Below the study levels |
| CITY OF LIBERTY | TX1460003 | 8,170 | Ground water | 2 | Below the study levels |
| CITY OF LINDALE | TX2120002 | 6,313 | Ground water | 7 | Below the study levels |
| CITY OF LITTLEFIELD | TX1400003 | 5,943 | Ground water | 1 | Below the study levels |
| CITY OF LIVE OAK | TX0150068 | 8,724 | Ground water | 4 | Below the study levels |
| CITY OF LIVINGSTON, TX | TX1870002 | 15,199 | Surface water purchased | 1 | Reached a study level |
| CITY OF LLANO | TX1500001 | 3,352 | Surface water | 1 | Below the study levels |
| CITY OF LOCKHART | TX0280001 | 18,800 | Surface water purchased | 2 | Below the study levels |
| CITY OF LONGVIEW | TX0920004 | 83,236 | Surface water | 3 | Below the study levels |
| CITY OF LOS FRESNOS | TX0310004 | 6,009 | Surface water | 1 | Below the study levels |
| CITY OF LUCAS | TX0430054 | 8,378 | Surface water purchased | 2 | Below the study levels |
| CITY OF LUFKIN | TX0030004 | 51,236 | Ground water | 2 | Below the study levels |
| CITY OF LULING | TX0280002 | 7,364 | Surface water purchased | 1 | Below the study levels |
| CITY OF MABANK | TX1290005 | 15,207 | Surface water | 1 | Below the study levels |
| CITY OF MADISONVILLE | TX1570001 | 6,111 | Ground water | 3 | Below the study levels |
| CITY OF MANOR | TX2270002 | 19,620 | Ground water | 6 | Below the study levels |
| CITY OF MANSFIELD | TX2200018 | 89,227 | Surface water | 1 | Below the study levels |
| CITY OF MATHIS | TX2050003 | 5,001 | Surface water | 1 | Below the study levels |
| CITY OF MCGREGOR | TX1550004 | 6,037 | Surface water purchased | 1 | Below the study levels |
| CITY OF MCKINNEY | TX0430039 | 224,043 | Surface water purchased | 1 | Below the study levels |
| CITY OF MEADOWS PLACE | TX0790025 | 5,000 | Ground water | 3 | Below the study levels |
| CITY OF MELISSA | TX0430040 | 26,234 | Surface water purchased | 1 | Below the study levels |
| CITY OF MERCEDES | TX1080007 | 16,258 | Surface water | 1 | Below the study levels |
| CITY OF MESQUITE | TX0570014 | 152,020 | Surface water purchased | 1 | Below the study levels |
| CITY OF MIDLAND WATER PURIFICATION PLANT | TX1650001 | 157,000 | Surface water | 2 | Below the study levels |
| CITY OF MIDLOTHIAN | TX0700005 | 27,699 | Surface water | 2 | Below the study levels |
| CITY OF MINEOLA | TX2500002 | 4,515 | Ground water | 4 | Below the study levels |
| CITY OF MINERAL WELLS | TX1820001 | 15,564 | Surface water | 1 | Below the study levels |
| CITY OF MISSION | TX1080008 | 77,058 | Surface water | 2 | Below the study levels |
| CITY OF MONAHANS | TX2380001 | 6,953 | Ground water | 1 | Below the study levels |
| CITY OF MORGANS POINT RESORT | TX0140116 | 5,000 | Surface water purchased | 2 | Below the study levels |
| CITY OF MOUNT PLEASANT | TX2250001 | 16,238 | Surface water | 1 | Below the study levels |
| CITY OF MURPHY | TX0430042 | 21,082 | Surface water purchased | 1 | Below the study levels |
| CITY OF NACOGDOCHES | TX1740003 | 50,226 | Surface water | 2 | Below the study levels |
| CITY OF NASH | TX0190006 | 3,818 | Surface water purchased | 1 | Below the study levels |
| CITY OF NASSAU BAY | TX1010152 | 5,347 | Surface water purchased | 2 | Below the study levels |
| CITY OF NAVASOTA | TX0930001 | 8,068 | Ground water | 1 | Below the study levels |
| CITY OF NEEDVILLE | TX0790001 | 3,089 | Ground water | 3 | Below the study levels |
| CITY OF NEW BOSTON | TX0190003 | 6,880 | Surface water purchased | 1 | Below the study levels |
| CITY OF NORTH RICHLAND HILLS | TX2200063 | 74,859 | Surface water purchased | 2 | Below the study levels |
| CITY OF OAK RIDGE NORTH | TX1700025 | 3,585 | Surface water purchased | 1 | Below the study levels |
| CITY OF ODESSA | TX0680002 | 123,334 | Surface water | 1 | Below the study levels |
| CITY OF ORANGE, TX | TX1810004 | 19,300 | Ground water | 3 | Below the study levels |
| CITY OF OVILLA | TX0700067 | 4,532 | Surface water purchased | 1 | Below the study levels |
| CITY OF PALESTINE | TX0010001 | 31,272 | Surface water | 1 | Below the study levels |
| CITY OF PAMPA | TX0900003 | 17,994 | Surface water | 4 | Below the study levels |
| CITY OF PARIS | TX1390002 | 25,498 | Surface water | 1 | Below the study levels |
| CITY OF PARKER | TX0430045 | 6,486 | Surface water purchased | 1 | Below the study levels |
| CITY OF PASADENA | TX1010293 | 152,000 | Surface water purchased | 9 | Below the study levels |
| CITY OF PEARLAND | TX0200008 | 125,828 | Surface water | 13 | Below the study levels |
| CITY OF PEARLAND MUD 1 | TX0200411 | 5,947 | Ground water purchased | 1 | Below the study levels |
| CITY OF PEARSALL | TX0820002 | 8,985 | Ground water | 4 | Below the study levels |
| CITY OF PECOS | TX1950001 | 12,916 | Ground water | 1 | Below the study levels |
| CITY OF PFLUGERVILLE | TX2270014 | 63,464 | Surface water | 3 | Reached a study level |
| CITY OF PHARR | TX1080009 | 79,715 | Surface water | 1 | Below the study levels |
| CITY OF PILOT POINT | TX0610005 | 7,836 | Ground water | 7 | Below the study levels |
| CITY OF PITTSBURG | TX0320001 | 4,335 | Surface water purchased | 5 | Below the study levels |
| CITY OF PLANO | TX0430007 | 292,059 | Surface water purchased | 1 | Below the study levels |
| CITY OF PLEASANTON, TX | TX0070003 | 17,985 | Ground water | 6 | Below the study levels |
| CITY OF PORT LAVACA | TX0290002 | 12,000 | Surface water purchased | 1 | Below the study levels |
| CITY OF PORT NECHES | TX1230010 | 17,043 | Surface water | 1 | Below the study levels |
| CITY OF PORTLAND | TX2050005 | 22,933 | Surface water purchased | 1 | Below the study levels |
| CITY OF POST | TX0850001 | 5,471 | Surface water purchased | 3 | Below the study levels |
| CITY OF POTEET | TX0070005 | 3,396 | Ground water | 3 | Below the study levels |
| CITY OF PRESIDIO | TX1890002 | 5,514 | Ground water | 1 | Below the study levels |
| CITY OF PRIMERA | TX0310094 | 5,811 | Surface water purchased | 2 | Below the study levels |
| CITY OF RAYMONDVILLE | TX2450001 | 11,288 | Surface water | 1 | Below the study levels |
| CITY OF RED OAK | TX0700031 | 18,577 | Surface water purchased | 1 | Below the study levels |
| CITY OF RICHARDSON | TX0570015 | 122,615 | Surface water purchased | 1 | Below the study levels |
| CITY OF RICHLAND HILLS | TX2200022 | 8,521 | Surface water purchased | 4 | Below the study levels |
| CITY OF RICHMOND | TX0790023 | 25,326 | Surface water | 6 | Below the study levels |
| CITY OF RICHWOOD | TX0200035 | 7,605 | Surface water purchased | 3 | Below the study levels |
| CITY OF RIO GRANDE CITY | TX2140018 | 18,912 | Surface water | 1 | Below the study levels |
| CITY OF ROANOKE | TX0610008 | 10,127 | Surface water purchased | 1 | Below the study levels |
| CITY OF ROBINSON | TX1550010 | 11,900 | Surface water | 6 | Below the study levels |
| CITY OF ROCKDALE | TX1660002 | 5,460 | Ground water | 2 | Below the study levels |
| CITY OF ROCKPORT | TX0040002 | 11,186 | Surface water purchased | 2 | Below the study levels |
| CITY OF ROMA | TX2140007 | 19,464 | Surface water | 1 | Below the study levels |
| CITY OF ROSENBERG | TX0790003 | 43,158 | Surface water purchased | 6 | Below the study levels |
| CITY OF ROUND ROCK | TX2460003 | 130,662 | Surface water | 3 | Below the study levels |
| CITY OF ROYSE CITY | TX1990002 | 24,313 | Surface water purchased | 1 | Below the study levels |
| CITY OF RUSK | TX0370003 | 5,602 | Ground water | 5 | Below the study levels |
| CITY OF SACHSE | TX0570057 | 30,630 | Surface water purchased | 1 | Below the study levels |
| CITY OF SAGINAW | TX2200023 | 23,890 | Surface water purchased | 1 | Below the study levels |
| CITY OF SAINT JO | TX1690006 | 881 | Ground water | 3 | Below the study levels |
| CITY OF SAN ANGELO | TX2260001 | 105,229 | Surface water | 1 | Below the study levels |
| CITY OF SAN BENITO | TX0310007 | 24,250 | Surface water | 2 | Below the study levels |
| CITY OF SAN JUAN | TX1080010 | 30,000 | Surface water | 2 | Below the study levels |
| CITY OF SAN MARCOS | TX1050001 | 72,970 | Surface water | 7 | Below the study levels |
| CITY OF SANGER | TX0610006 | 10,166 | Surface water purchased | 7 | Below the study levels |
| CITY OF SANSOM PARK | TX2200071 | 5,359 | Ground water | 7 | Below the study levels |
| CITY OF SCHERTZ | TX0940003 | 41,948 | Ground water | 3 | Below the study levels |
| CITY OF SEABROOK | TX1010062 | 13,560 | Surface water purchased | 2 | Below the study levels |
| CITY OF SEAGOVILLE | TX0570016 | 20,156 | Surface water purchased | 1 | Below the study levels |
| CITY OF SEALY | TX0080002 | 6,839 | Ground water | 3 | Below the study levels |
| CITY OF SEGUIN | TX0940002 | 32,736 | Surface water | 2 | Below the study levels |
| CITY OF SELMA | TX0150492 | 11,418 | Ground water | 3 | Below the study levels |
| CITY OF SEMINOLE | TX0830012 | 7,386 | Ground water | 3 | Below the study levels |
| CITY OF SHERMAN | TX0910006 | 43,645 | Surface water | 10 | Below the study levels |
| CITY OF SILSBEE | TX1000002 | 10,026 | Ground water | 3 | Below the study levels |
| CITY OF SLATON | TX1520004 | 5,858 | Surface water purchased | 1 | Below the study levels |
| CITY OF SNYDER | TX2080001 | 11,104 | Surface water | 1 | Below the study levels |
| CITY OF SOUTH HOUSTON | TX1010294 | 17,397 | Surface water purchased | 1 | Below the study levels |
| CITY OF SOUTHLAKE | TX2200075 | 31,576 | Surface water purchased | 1 | Below the study levels |
| CITY OF SPLENDORA | TX1700087 | 9,612 | Ground water | 3 | Below the study levels |
| CITY OF SPRING VALLEY VILLAGE | TX1010214 | 4,229 | Ground water | 1 | Below the study levels |
| CITY OF SPRINGTOWN | TX1840003 | 3,781 | Surface water | 2 | Below the study levels |
| CITY OF STEPHENVILLE | TX0720002 | 23,110 | Surface water purchased | 4 | Below the study levels |
| CITY OF SUGAR LAND | TX0790005 | 90,909 | Surface water | 7 | Below the study levels |
| CITY OF SUGAR LAND - GREATWOOD | TX0790296 | 12,368 | Ground water | 2 | Below the study levels |
| CITY OF SUGAR LAND - NEW TERRITORY | TX0790253 | 15,546 | Ground water | 3 | Below the study levels |
| CITY OF SUGAR LAND RIVER PARK | TX0790354 | 4,278 | Ground water | 1 | Below the study levels |
| CITY OF SULPHUR SPRINGS | TX1120002 | 16,243 | Surface water | 1 | Below the study levels |
| CITY OF SWEENY | TX0200009 | 3,978 | Ground water | 1 | Below the study levels |
| CITY OF SWEETWATER | TX1770002 | 12,401 | Surface water | 1 | Below the study levels |
| CITY OF TAYLOR | TX2460004 | 20,622 | Surface water purchased | 1 | Below the study levels |
| CITY OF TEAGUE | TX0810002 | 5,688 | Ground water | 2 | Below the study levels |
| CITY OF TEMPLE | TX0140005 | 94,935 | Surface water | 1 | Below the study levels |
| CITY OF TERRELL | TX1290006 | 18,432 | Surface water purchased | 1 | Reached a study level |
| CITY OF TEXAS CITY | TX0840008 | 61,541 | Surface water purchased | 1 | Below the study levels |
| CITY OF THE COLONY | TX0610081 | 45,367 | Surface water purchased | 5 | Below the study levels |
| CITY OF THORNTON WATER SYSTEM | TX1470005 | 530 | Ground water | 1 | Below the study levels |
| CITY OF THREE RIVERS | TX1490002 | 4,428 | Surface water | 2 | Below the study levels |
| CITY OF TOMBALL | TX1010026 | 17,532 | Ground water | 2 | Below the study levels |
| CITY OF TRINIDAD | TX1070004 | 1,482 | Surface water | 1 | Below the study levels |
| CITY OF TYE | TX2210011 | 1,176 | Surface water purchased | 1 | Reached a study level |
| CITY OF TYLER | TX2120004 | 107,000 | Surface water | 2 | Below the study levels |
| CITY OF UNIVERSAL CITY | TX0150009 | 20,119 | Ground water | 3 | Below the study levels |
| CITY OF UNIVERSITY PARK | TX0570061 | 25,617 | Surface water purchased | 1 | Below the study levels |
| CITY OF UVALDE | TX2320002 | 17,450 | Ground water | 8 | Below the study levels |
| CITY OF VAN | TX2340004 | 2,745 | Ground water | 1 | Below the study levels |
| CITY OF VAN ALSTYNE | TX0910009 | 7,000 | Surface water purchased | 5 | Below the study levels |
| CITY OF VENUS | TX1260006 | 3,816 | Surface water purchased | 1 | Below the study levels |
| CITY OF VERNON | TX2440001 | 11,002 | Ground water | 1 | Below the study levels |
| CITY OF VICTORIA | TX2350002 | 66,932 | Surface water | 1 | Below the study levels |
| CITY OF WACO | TX1550008 | 146,241 | Surface water | 2 | Below the study levels |
| CITY OF WALLER | TX2370003 | 5,448 | Ground water | 3 | Below the study levels |
| CITY OF WATAUGA | TX2200328 | 23,806 | Surface water purchased | 2 | Below the study levels |
| CITY OF WAXAHACHIE | TX0700008 | 50,814 | Surface water | 2 | Below the study levels |
| CITY OF WEATHERFORD | TX1840005 | 35,903 | Surface water | 1 | Below the study levels |
| CITY OF WEBSTER | TX1010226 | 13,710 | Surface water purchased | 1 | Reached a study level |
| CITY OF WEST UNIVERSITY PLACE | TX1010027 | 19,200 | Surface water purchased | 2 | Below the study levels |
| CITY OF WHARTON | TX2410005 | 8,756 | Ground water | 3 | Below the study levels |
| CITY OF WHITE OAK | TX0920006 | 6,469 | Surface water | 1 | Below the study levels |
| CITY OF WHITE SETTLEMENT | TX2200081 | 18,522 | Surface water purchased | 4 | Below the study levels |
| CITY OF WHITEHOUSE | TX2120025 | 9,571 | Surface water purchased | 3 | Below the study levels |
| CITY OF WHITESBORO | TX0910010 | 4,192 | Ground water | 4 | Below the study levels |
| CITY OF WICHITA FALLS | TX2430001 | 102,316 | Surface water | 2 | Below the study levels |
| CITY OF WILLOW PARK | TX1840027 | 4,936 | Surface water purchased | 9 | Below the study levels |
| CITY OF WILLS POINT | TX2340005 | 7,281 | Surface water | 1 | Below the study levels |
| CITY OF WILMER | TX0570018 | 7,296 | Surface water purchased | 2 | Below the study levels |
| CITY OF WINNSBORO | TX2500004 | 3,614 | Surface water | 1 | Below the study levels |
| CITY OF WOLFFORTH | TX1520005 | 9,600 | Surface water purchased | 1 | Below the study levels |
| CITY OF WOODVILLE | TX2290001 | 6,069 | Ground water | 4 | Below the study levels |
| CITY OF WOODWAY | TX1550048 | 9,383 | Surface water purchased | 6 | Below the study levels |
| CITY OF WYLIE | TX0430011 | 48,393 | Surface water purchased | 1 | Below the study levels |
| CITY OF YOAKUM | TX0620003 | 5,814 | Ground water | 2 | Below the study levels |
| CLAY ROAD MUD | TX1011681 | 4,443 | Surface water purchased | 1 | Below the study levels |
| CLEAR BROOK CITY MUD | TX1010418 | 18,108 | Surface water purchased | 4 | Below the study levels |
| CLEAR LAKE CITY WATER AUTHORITY | TX1010056 | 89,702 | Surface water purchased | 5 | Reached a study level |
| CLWSC CANYON LAKE SHORES | TX0460019 | 44,196 | Surface water | 14 | Below the study levels |
| CNP UTILITY DISTRICT | TX1010429 | 14,718 | Surface water purchased | 3 | Below the study levels |
| COLEMAN COUNTY SUD | TX0420034 | 5,000 | Surface water purchased | 2 | Below the study levels |
| COLLEGE MOUND SUD | TX1290012 | 13,200 | Surface water purchased | 2 | Below the study levels |
| COMBINE WSC | TX0570039 | 3,588 | Surface water purchased | 1 | Below the study levels |
| COMBINED CONSUMERS SUD | TX1160052 | 9,087 | Surface water | 1 | Below the study levels |
| COMMUNITY WSC | TX2200044 | 4,629 | Surface water | 1 | Below the study levels |
| CONCHO RURAL WATER GRAPE CREEK | TX2260008 | 5,049 | Surface water purchased | 5 | Below the study levels |
| CONCORD-ROBBINS WSC | TX1450018 | 10,035 | Ground water | 5 | Below the study levels |
| COOLCREST WATER SYSTEM | TX0150046 | 951 | Ground water | 2 | Below the study levels |
| COPEVILLE SUD | TX0430029 | 8,438 | Surface water purchased | 2 | Below the study levels |
| CORNERSTONES MUD | TX1011692 | 5,331 | Ground water | 1 | Below the study levels |
| CORPUS CHRISTI NAVAL AIR STATION | TX1780017 | 7,048 | Surface water purchased | 1 | Below the study levels |
| COUNTY LINE SUD | TX1050038 | 19,609 | Surface water purchased | 2 | Below the study levels |
| CREEDMOOR MAHA WSC | TX2270008 | 8,907 | Surface water purchased | 4 | Below the study levels |
| CROCKETT COUNTY WCID 1 OZONA | TX0530012 | 3,800 | Ground water | 2 | Below the study levels |
| CROSS COUNTRY WSC | TX1550059 | 3,939 | Ground water | 4 | Below the study levels |
| CROSS TIMBERS WSC | TX0610020 | 8,751 | Surface water purchased | 4 | Below the study levels |
| CRYSTAL CLEAR SUD | TX0940015 | 20,766 | Surface water purchased | 5 | Below the study levels |
| CRYSTAL SYSTEMS | TX2120015 | 3,879 | Ground water | 4 | Below the study levels |
| CY CHAMP PUD | TX1011522 | 7,428 | Ground water | 2 | Below the study levels |
| CYPRESS FOREST PUD | TX1010919 | 3,912 | Ground water | 2 | Below the study levels |
| CYPRESS HILL MUD 1 | TX1012378 | 11,052 | Ground water | 2 | Below the study levels |
| CYPRESS KLEIN UTILITY DISTRICT WIMBLETON | TX1010431 | 3,960 | Ground water | 2 | Below the study levels |
| CYPRESS SPRINGS SUD N PLANT 1 AND NE PLA | TX0800003 | 13,698 | Surface water | 2 | Below the study levels |
| CYPRESSWOOD UTILITY DISTRICT | TX1010432 | 4,305 | Surface water purchased | 3 | Below the study levels |
| D & M WSC | TX1740010 | 7,280 | Surface water purchased | 5 | Below the study levels |
| DALHART MUNICIPAL WATER SYSTEM | TX0560001 | 8,256 | Ground water | 1 | Below the study levels |
| DALLAS WATER UTILITY | TX0570004 | 1,356,479 | Surface water | 3 | Below the study levels |
| DEAN DALE SUD | TX0390019 | 2,492 | Surface water purchased | 2 | Below the study levels |
| DEAN WSC | TX2120009 | 5,907 | Ground water | 3 | Below the study levels |
| DECKER HILLS | TX1700386 | 3,780 | Ground water | 4 | Below the study levels |
| DEL RIO UTILITIES COMMISSION | TX2330001 | 36,506 | Groundwater under influence of surface water | 1 | Below the study levels |
| DENTON COUNTY FWSD 11-A PALOMA | TX0610259 | 5,160 | Surface water purchased | 1 | Below the study levels |
| DENTON COUNTY FWSD 7 LANTANA | TX0610228 | 13,325 | Surface water purchased | 1 | Below the study levels |
| DIMMITT MUNICIPAL WATER SYSTEM | TX0350001 | 4,393 | Ground water | 2 | Below the study levels |
| DOWDELL PUD | TX1010592 | 7,002 | Ground water | 4 | Below the study levels |
| DRIPPING SPRINGS WSC | TX1050013 | 8,037 | Surface water purchased | 2 | Below the study levels |
| EAST BELL WSC | TX0140118 | 4,287 | Surface water purchased | 3 | Below the study levels |
| EAST BIGGS WATER SYSTEM | TX0710187 | 15,000 | Surface water purchased | 2 | Below the study levels |
| EAST CEDAR CREEK FWSD B A MCKAY | TX1070019 | 6,753 | Surface water | 1 | Below the study levels |
| EAST CEDAR CREEK FWSD BROOKSHIRE | TX1070167 | 14,823 | Surface water | 1 | Below the study levels |
| EAST CENTRAL SUD | TX0150138 | 26,137 | Surface water purchased | 3 | Below the study levels |
| EAST FORK SUD | TX0430033 | 17,589 | Surface water purchased | 1 | Below the study levels |
| EAST MEDINA COUNTY SUD UNIT 1 | TX1630010 | 6,153 | Ground water | 1 | Below the study levels |
| EAST MONTANA WATER SYSTEM | TX0710178 | 11,480 | Surface water purchased | 1 | Below the study levels |
| EAST RIO HONDO WSC | TX0310096 | 24,756 | Surface water | 3 | Below the study levels |
| EL DORADO UTILITY DISTRICT | TX1010471 | 3,591 | Ground water | 2 | Below the study levels |
| EL OSO WSC | TX1280007 | 6,288 | Ground water | 2 | Below the study levels |
| EL PASO COUNTY TORNILLO WID | TX0710019 | 3,600 | Ground water | 1 | Below the study levels |
| EL PASO COUNTY WCID 4 FABENS | TX0710018 | 9,444 | Ground water | 1 | Below the study levels |
| EL PASO WATER UTILITIES PUBLIC SERVICE B | TX0710002 | 747,168 | Surface water | 27 | Reached a study level |
| ELDERVILLE WSC | TX0920019 | 9,021 | Surface water purchased | 2 | Below the study levels |
| ELM CREEK WSC | TX1550026 | 4,620 | Surface water purchased | 3 | Below the study levels |
| EMERALD FOREST UTILITY DISTRICT | TX1010541 | 7,326 | Ground water | 2 | Below the study levels |
| EMHOUSE WATER SYSTEM | TX1750014 | 1,146 | Surface water purchased | 3 | Below the study levels |
| ENCANTO REAL UTILITY DISTRICT | TX1010687 | 3,717 | Ground water | 1 | Below the study levels |
| ERA WSC | TX0490014 | 462 | Ground water | 1 | Below the study levels |
| EULA WSC | TX0300005 | 3,918 | Surface water purchased | 2 | Reached a study level |
| FAIR OAKS RANCH UTILITIES | TX0150216 | 9,768 | Surface water purchased | 4 | Below the study levels |
| FALCON RURAL WSC | TX2140003 | 3,600 | Surface water | 1 | Below the study levels |
| FALFURRIAS UTILITY BOARD | TX0240001 | 4,473 | Ground water | 5 | Below the study levels |
| FALLBROOK UTILITY DISTRICT | TX1010340 | 6,720 | Ground water | 2 | Below the study levels |
| FAYETTE WSC WEST | TX0750022 | 5,802 | Ground water | 5 | Below the study levels |
| FILES VALLEY WSC | TX1090035 | 4,776 | Surface water purchased | 1 | Below the study levels |
| FIRST COLONY MUD 9 | TX0790230 | 7,818 | Ground water | 1 | Below the study levels |
| FLO COMMUNITY WSC | TX1450015 | 5,256 | Ground water | 5 | Below the study levels |
| FORNEY LAKE WSC | TX1290014 | 20,377 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 116 CANYON GATE | TX0790367 | 4,833 | Ground water | 1 | Below the study levels |
| FORT BEND COUNTY MUD 118 | TX0790366 | 5,346 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 119 | TX0790382 | 5,088 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 121 | TX0790393 | 3,477 | Ground water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 122 | TX0790416 | 3,366 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 124 | TX0790412 | 2,544 | Ground water | 1 | Below the study levels |
| FORT BEND COUNTY MUD 129 | TX0790437 | 4,713 | Ground water purchased | 2 | Below the study levels |
| FORT BEND COUNTY MUD 133 | TX0790444 | 7,362 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 134B | TX0790532 | 7,356 | Ground water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 134C | TX0790533 | 7,260 | Ground water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 142 | TX0790429 | 11,595 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 143 WATER VIEW ESTA | TX0790472 | 7,245 | Ground water | 2 | Below the study levels |
| FORT BEND COUNTY MUD 151 | TX0790443 | 10,233 | Ground water | 1 | Below the study levels |
| FORT BEND COUNTY MUD 165 | TX0790470 | 4,314 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 23 | TX0790237 | 13,695 | Ground water | 2 | Below the study levels |
| FORT BEND COUNTY MUD 25 | TX0790130 | 15,327 | Ground water | 4 | Below the study levels |
| FORT BEND COUNTY MUD 26 QUAIL GREEN WEST | TX0790137 | 5,424 | Ground water | 1 | Below the study levels |
| FORT BEND COUNTY MUD 30 | TX0790146 | 16,794 | Surface water purchased | 2 | Below the study levels |
| FORT BEND COUNTY MUD 35 | TX0790433 | 6,297 | Ground water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 41 | TX0790229 | 4,179 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 42 WAT PLAT | TX0790254 | 4,395 | Ground water | 1 | Below the study levels |
| FORT BEND COUNTY MUD 48 | TX0790267 | 3,969 | Ground water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 50 | TX0790277 | 6,234 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 57 | TX0790455 | 5,335 | Surface water purchased | 1 | Below the study levels |
| FORT BEND COUNTY MUD 58 | TX0790458 | 10,629 | Surface water purchased | 3 | Below the study levels |
| FORT BEND COUNTY MUD 81 WESTON LAKES | TX0790268 | 4,107 | Ground water | 2 | Below the study levels |
| FORT BLISS BIGGS ARMY AIRFIELD | TX0710078 | 2,961 | Ground water | 1 | Below the study levels |
| FORT BLISS MAIN POST AREA | TX0710020 | 28,000 | Ground water | 2 | Below the study levels |
| FOUKE WSC | TX2500016 | 7,668 | Ground water | 4 | Below the study levels |
| FOUNTAINHEAD MUD | TX1010435 | 4,614 | Surface water purchased | 2 | Below the study levels |
| FOUR PINES WSC | TX0010020 | 3,603 | Ground water | 3 | Below the study levels |
| FOUR WAY SUD | TX0030020 | 6,684 | Ground water | 4 | Below the study levels |
| FRIONA MUNICIPAL WATER SYSTEM | TX1850003 | 4,653 | Ground water | 3 | Below the study levels |
| FRISCO WEST WCID | TX0610253 | 5,805 | Surface water purchased | 3 | Below the study levels |
| FRUITVALE WSC | TX2340010 | 3,747 | Ground water | 4 | Below the study levels |
| FRY ROAD MUD | TX1011679 | 3,711 | Ground water | 1 | Below the study levels |
| G & W WSC | TX2370063 | 3,343 | Ground water | 2 | Below the study levels |
| G M WSC | TX2020067 | 11,220 | Surface water | 5 | Below the study levels |
| GALVESTON COUNTY WCID 1 | TX0840001 | 30,399 | Surface water purchased | 1 | Below the study levels |
| GALVESTON COUNTY WCID 12 | TX0840031 | 8,721 | Surface water purchased | 3 | Below the study levels |
| GALVESTON COUNTY WCID 8 | TX0840009 | 7,065 | Surface water purchased | 2 | Below the study levels |
| GASTONIA SCURRY SUD | TX1290015 | 11,169 | Surface water purchased | 2 | Below the study levels |
| GBRA CALHOUN COUNTY RURAL WATER SYSTEM | TX0290007 | 4,482 | Surface water purchased | 2 | Below the study levels |
| GOFORTH SUD | TX1050019 | 34,893 | Surface water purchased | 4 | Below the study levels |
| GOLDEN WSC | TX2500006 | 4,821 | Ground water | 6 | Below the study levels |
| GONZALES COUNTY WSC | TX0890006 | 10,350 | Surface water purchased | 7 | Below the study levels |
| GOODFELLOW AIR FORCE BASE | TX2260027 | 5,241 | Surface water purchased | 4 | Below the study levels |
| GREEN VALLEY SUD | TX0940020 | 52,497 | Surface water purchased | 5 | Below the study levels |
| GREENWOOD UTILITY DISTRICT | TX1010554 | 10,527 | Surface water purchased | 2 | Below the study levels |
| HARDIN WSC | TX1460009 | 6,132 | Ground water | 5 | Below the study levels |
| HARLETON WSC | TX1020074 | 4,107 | Surface water purchased | 2 | Below the study levels |
| HARLINGEN WATER WORKS SYSTEM | TX0310002 | 85,900 | Surface water | 2 | Below the study levels |
| HARRIS COUNTY FWSD 47 | TX1010260 | 4,250 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY FWSD 51 | TX1010238 | 19,671 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY FWSD 6 | TX1010768 | 2,229 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY FWSD 61 | TX1010237 | 15,400 | Ground water | 4 | Below the study levels |
| HARRIS COUNTY IMPROVEMENT DISTRICT 18 | TX1013479 | 5,025 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 1 | TX1010539 | 12,342 | Ground water | 3 | Below the study levels |
| HARRIS COUNTY MUD 102 | TX1010503 | 10,401 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 104 | TX1011534 | 4,854 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 106 | TX1013160 | 4,668 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 109 | TX1010620 | 9,501 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 11 | TX1010426 | 3,645 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 118 | TX1010897 | 6,678 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 119 | TX1010626 | 4,758 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 120 | TX1010774 | 13,197 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 132 | TX1010616 | 8,682 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 148 KINGSLAKE | TX1010938 | 5,448 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 149 | TX1011296 | 3,543 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 150 | TX1011250 | 6,786 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 151 | TX1010905 | 7,464 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 152 | TX1010902 | 7,314 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 154 | TX1011642 | 8,289 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 157 | TX1011430 | 13,062 | Surface water purchased | 3 | Below the study levels |
| HARRIS COUNTY MUD 158 | TX1012297 | 6,798 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 16 | TX1011705 | 5,982 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 165 | TX1012187 | 40,503 | Surface water purchased | 5 | Below the study levels |
| HARRIS COUNTY MUD 167 | TX1012842 | 16,761 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 168 | TX1011783 | 13,029 | Ground water | 3 | Below the study levels |
| HARRIS COUNTY MUD 179 | TX1011848 | 5,115 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 18 HEATHERWOOD HUNTERS | TX1010512 | 4,083 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 180 | TX1011799 | 5,892 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 183 | TX1011824 | 3,981 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 185 | TX1011914 | 4,617 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 186 | TX1012214 | 4,005 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 188 | TX1011982 | 9,453 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 189 | TX1011809 | 6,906 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 196 | TX1013002 | 7,026 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 200 CRANBROOK | TX1012007 | 14,868 | Surface water purchased | 3 | Below the study levels |
| HARRIS COUNTY MUD 208 | TX1012419 | 3,642 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 221 | TX1012972 | 4,839 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 222 | TX1013054 | 6,129 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 23 | TX1010649 | 3,170 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 230 | TX1012740 | 10,404 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 238 | TX1012361 | 7,773 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 239 | TX1012392 | 5,583 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 24 | TX1010572 | 14,796 | Surface water purchased | 3 | Below the study levels |
| HARRIS COUNTY MUD 26 | TX1010715 | 17,178 | Ground water | 3 | Below the study levels |
| HARRIS COUNTY MUD 276 | TX1012942 | 5,094 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 278 | TX1012835 | 10,584 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 281 | TX1013178 | 3,573 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 285 | TX1012677 | 14,268 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 287 | TX1013385 | 3,510 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 290 | TX1013294 | 8,259 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 304 | TX1012941 | 4,158 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 322 FAIRFIELD VILLAGE | TX1012542 | 4,266 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 342 | TX1012973 | 4,035 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 345 | TX1012768 | 3,855 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 354 | TX1012965 | 6,588 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 360 | TX1012897 | 4,707 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 361 | TX1013123 | 3,705 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 367 | TX1013040 | 6,759 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 368 | TX1011908 | 11,835 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 370 | TX1013113 | 4,452 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 374 CYPRESS CREEK LAKE | TX1013450 | 5,526 | Ground water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 391 | TX1013253 | 8,835 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY MUD 397 | TX1013295 | 4,413 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 400 - WEST | TX1013310 | 5,217 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 401 | TX1013289 | 3,750 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 412 | TX1013354 | 3,480 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 43 | TX1010565 | 5,940 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 46 | TX1010903 | 5,418 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 49 | TX1011462 | 10,893 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 495 | TX1013532 | 5,007 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 5 | TX1010500 | 5,487 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 50 | TX1010719 | 4,743 | Ground water | 3 | Below the study levels |
| HARRIS COUNTY MUD 53 | TX1010720 | 17,856 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 55 HERITAGE PARK | TX1010678 | 16,392 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY MUD 6 CARRIAGE LANE | TX1010496 | 3,936 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 64 | TX1011513 | 6,726 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 65 | TX1011678 | 6,330 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY MUD 70 | TX1011690 | 5,763 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 71 | TX1011823 | 17,079 | Ground water | 3 | Below the study levels |
| HARRIS COUNTY MUD 8 | TX1010712 | 3,271 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 81 | TX1010581 | 11,514 | Ground water | 4 | Below the study levels |
| HARRIS COUNTY MUD 82 | TX1010630 | 18,990 | Ground water | 3 | Below the study levels |
| HARRIS COUNTY MUD 86 | TX1012953 | 5,397 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY MUD 96 | TX1013343 | 6,993 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY UD 15 | TX1011778 | 3,489 | Ground water purchased | 1 | Below the study levels |
| HARRIS COUNTY UD 16 | TX1013156 | 6,069 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY UTILITY DISTRICT 6 | TX1010501 | 11,262 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY WCID 1 | TX1010159 | 8,559 | Surface water purchased | 3 | Below the study levels |
| HARRIS COUNTY WCID 109 | TX1010359 | 10,134 | Surface water purchased | 3 | Below the study levels |
| HARRIS COUNTY WCID 110 | TX1010482 | 9,807 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY WCID 114 | TX1010317 | 5,160 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY WCID 116 | TX1010507 | 3,627 | Ground water | 1 | Below the study levels |
| HARRIS COUNTY WCID 119 | TX1010509 | 9,150 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY WCID 132 | TX1010413 | 3,501 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY WCID 133 | TX1010210 | 5,082 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY WCID 161 | TX1013612 | 3,129 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY WCID 36 | TX1010239 | 11,073 | Surface water purchased | 3 | Below the study levels |
| HARRIS COUNTY WCID 74 | TX1010480 | 5,886 | Ground water | 2 | Below the study levels |
| HARRIS COUNTY WCID 84 | TX1010113 | 6,552 | Surface water purchased | 1 | Below the study levels |
| HARRIS COUNTY WCID 89 | TX1012370 | 9,033 | Surface water purchased | 2 | Below the study levels |
| HARRIS COUNTY WCID 96 | TX1013175 | 10,530 | Ground water | 1 | Below the study levels |
| HARRIS FORT BEND COUNTIES MUD 1 | TX0790216 | 3,812 | Ground water purchased | 1 | Below the study levels |
| HARRIS FORT BEND COUNTIES MUD 5 | TX0790347 | 4,641 | Ground water | 2 | Below the study levels |
| HARRIS MONTGOMERY COUNTIES MUD 386 | TX1013305 | 18,018 | Ground water purchased | 3 | Below the study levels |
| HARRIS-FORT BEND COUNTIES MUD 3 | TX1013365 | 9,297 | Ground water | 1 | Below the study levels |
| HAWLEY WSC | TX1270006 | 8,436 | Surface water purchased | 4 | Reached a study level |
| HEATHERLOCH MUD | TX1010548 | 6,612 | Surface water purchased | 1 | Below the study levels |
| HEREFORD MUNICIPAL WATER SYSTEM | TX0590001 | 16,048 | Ground water | 4 | Below the study levels |
| HICKORY CREEK SUD | TX1160062 | 5,373 | Ground water | 4 | Below the study levels |
| HIGH POINT WATER SUPPLY CORPORATION | TX1290016 | 16,341 | Surface water purchased | 2 | Below the study levels |
| HILL COUNTY WSC | TX1090041 | 4,383 | Surface water purchased | 7 | Below the study levels |
| HOLIDAY ESTATES WATER | TX1160028 | 231 | Surface water purchased | 1 | Below the study levels |
| HOLLY LAKE RANCH | TX2500012 | 3,540 | Ground water | 5 | Below the study levels |
| HORIZON REGIONAL MUD | TX0710005 | 31,542 | Ground water | 1 | Below the study levels |
| HORSEPEN BAYOU MUD | TX1011785 | 6,597 | Surface water purchased | 2 | Below the study levels |
| HUDSON WSC | TX0030023 | 10,907 | Ground water | 2 | Below the study levels |
| HUNTERS GLEN MUD | TX1010615 | 9,405 | Ground water | 2 | Below the study levels |
| INTERSTATE MUD | TX1012264 | 6,591 | Ground water | 2 | Below the study levels |
| JACKRABBIT ROAD PUD | TX1010538 | 8,346 | Surface water purchased | 2 | Below the study levels |
| JACKSON WSC | TX2120016 | 5,532 | Ground water | 4 | Below the study levels |
| JARRELL SCHWERTNER WSC | TX2460011 | 9,681 | Surface water purchased | 6 | Below the study levels |
| JASPER COUNTY WCID 1 | TX1210003 | 3,035 | Ground water | 1 | Below the study levels |
| JBSA - LACKLAND | TX0150114 | 20,907 | Ground water | 4 | Below the study levels |
| JBSA - RANDOLPH | TX0150115 | 10,949 | Ground water | 3 | Below the study levels |
| JBSA - SAM HOUSTON | TX0150116 | 37,563 | Ground water | 3 | Below the study levels |
| JEFFERSON COUNTY WCID 10 | TX1230003 | 4,605 | Surface water | 1 | Below the study levels |
| JIM HOGG COUNTY WCID 2 | TX1240001 | 5,397 | Ground water | 3 | Below the study levels |
| JOHNSON COUNTY SUD | TX1260018 | 65,517 | Surface water purchased | 15 | Below the study levels |
| JONAH WATER SUD | TX2460022 | 29,861 | Surface water purchased | 6 | Below the study levels |
| JONES WSC | TX2500007 | 6,075 | Ground water | 4 | Below the study levels |
| KAUFMAN COUNTY MUD 14 | TX1290053 | 6,456 | Surface water purchased | 1 | Below the study levels |
| KEMPNER WSC | TX1410028 | 17,721 | Surface water | 1 | Below the study levels |
| KINGDOM HEIGHTS WATER SYSTEM | TX0790462 | 2,934 | Ground water | 1 | Below the study levels |
| KINGS MANOR MUD | TX1012865 | 4,377 | Ground water | 1 | Below the study levels |
| KINGS POINT WSC | TX0460205 | 174 | Ground water | 1 | Below the study levels |
| KINGSBRIDGE MUD | TX0790158 | 8,663 | Surface water purchased | 2 | Below the study levels |
| KINGSLAND WSC | TX1500012 | 12,975 | Surface water | 1 | Below the study levels |
| KNIPPA WSC | TX2320004 | 933 | Ground water | 1 | Below the study levels |
| LA VENTANA WATER SUPPLY SYSTEM | TX1050131 | 747 | Ground water | 1 | Below the study levels |
| LAGUNA MADRE WATER DISTRICT | TX0310005 | 46,674 | Surface water | 2 | Below the study levels |
| LAKE CITIES MUNICIPAL UTILITY AUTHORITY | TX0610029 | 17,826 | Surface water purchased | 3 | Below the study levels |
| LAKE FOREST UTILITY DISTRICT | TX1010494 | 7,106 | Ground water | 2 | Below the study levels |
| LAKE FORK WSC | TX2500039 | 5,082 | Ground water | 3 | Below the study levels |
| LAKE LIVINGSTON PINESHADOWS EAST | TX1870166 | 5,675 | Surface water | 2 | Below the study levels |
| LAKE LIVINGSTON VILLAGE | TX1870156 | 1,471 | Ground water | 1 | Below the study levels |
| LAKES OF ROSEHILL WATER SYSTEM | TX1013050 | 1,239 | Ground water | 2 | Below the study levels |
| LAKEWAY MUD | TX2270012 | 10,512 | Surface water | 1 | Below the study levels |
| LAMAR COUNTY WATER SUPPLY DISTRICT | TX1390015 | 25,569 | Surface water purchased | 1 | Below the study levels |
| LANGHAM CREEK UTILITY DISTRICT | TX1011249 | 10,377 | Surface water purchased | 3 | Below the study levels |
| LAUGHLIN AIR FORCE BASE | TX2330006 | 4,010 | Surface water purchased | 1 | Below the study levels |
| LEE COUNTY WSC | TX1440005 | 14,670 | Ground water | 8 | Below the study levels |
| LINDALE RURAL WSC | TX2120017 | 14,781 | Ground water | 3 | Below the study levels |
| LOUETTA NORTH PUD | TX1011870 | 4,848 | Surface water purchased | 1 | Below the study levels |
| LOWER VALLEY WATER DISTRICT | TX0710154 | 59,049 | Surface water purchased | 2 | Below the study levels |
| LUBBOCK PUBLIC WATER SYSTEM | TX1520002 | 275,041 | Surface water | 3 | Below the study levels |
| LUELLA SUD | TX0910032 | 4,200 | Ground water | 8 | Below the study levels |
| LUMBERTON MUD | TX1000035 | 31,428 | Ground water | 4 | Below the study levels |
| M E N WSC | TX1750015 | 4,040 | Surface water purchased | 1 | Below the study levels |
| M S WSC | TX1550037 | 744 | Ground water | 2 | Below the study levels |
| MACBEE SUD | TX2340012 | 7,548 | Surface water | 1 | Below the study levels |
| MADERA VALLEY WSC | TX1950006 | 2,001 | Ground water | 3 | Below the study levels |
| MALCOMSON ROAD UTILITY DISTRICT | TX1010495 | 7,231 | Surface water purchased | 2 | Below the study levels |
| MANVILLE WSC | TX2270033 | 39,648 | Surface water purchased | 9 | Reached a study level |
| MARTIN SPRINGS WSC | TX1120015 | 4,095 | Ground water | 4 | Below the study levels |
| MASON CREEK UTILITY DISTRICT | TX1010379 | 8,900 | Ground water | 3 | Below the study levels |
| MAURICEVILLE MUD | TX1810144 | 10,374 | Ground water | 5 | Below the study levels |
| MAXWELL WSC | TX0280003 | 16,104 | Surface water purchased | 2 | Below the study levels |
| MCALLEN PUBLIC UTILITY | TX1080006 | 189,957 | Surface water | 2 | Below the study levels |
| MCCOY WSC | TX0070023 | 9,621 | Ground water | 4 | Below the study levels |
| MEADOWHILL REGIONAL MUD | TX1010387 | 13,863 | Ground water | 3 | Below the study levels |
| MEMORIAL MUD | TX1011242 | 6,615 | Ground water | 2 | Below the study levels |
| MEMORIAL VILLAGES WATER AUTHORITY | TX1010148 | 11,382 | Surface water purchased | 3 | Below the study levels |
| METROPLEX HOMESTEADS WATER SUPPLY | TX1260074 | 3,588 | Ground water | 4 | Below the study levels |
| MILANO WSC | TX1660009 | 4,308 | Ground water | 4 | Below the study levels |
| MILITARY HWY WSC LAS RUSIAS | TX1080067 | 17,943 | Surface water purchased | 2 | Below the study levels |
| MILITARY HWY WSC PROGRESO | TX1080234 | 12,198 | Ground water | 2 | Below the study levels |
| MILLS ROAD MUD | TX1011107 | 6,717 | Surface water purchased | 2 | Below the study levels |
| MISSION BEND MUD 1 | TX1011718 | 6,546 | Ground water | 2 | Below the study levels |
| MISSION BEND MUD 2 | TX1011826 | 10,155 | Ground water | 3 | Below the study levels |
| MITCHELL COUNTY UTILITY | TX1680004 | 3,612 | Ground water | 1 | Below the study levels |
| MONTGOMERY COUNTY MUD 112 | TX1700762 | 5,454 | Ground water | 1 | Below the study levels |
| MONTGOMERY COUNTY MUD 119 SPRING TRAILS | TX1700773 | 6,621 | Ground water | 2 | Below the study levels |
| MONTGOMERY COUNTY MUD 15 | TX1700118 | 6,564 | Ground water | 2 | Below the study levels |
| MONTGOMERY COUNTY MUD 18 | TX1700546 | 7,608 | Ground water | 2 | Below the study levels |
| MONTGOMERY COUNTY MUD 19 | TX1700319 | 4,422 | Ground water | 3 | Below the study levels |
| MONTGOMERY COUNTY MUD 47 | TX1700458 | 24,171 | Surface water purchased | 1 | Below the study levels |
| MONTGOMERY COUNTY MUD 60 | TX1700470 | 15,036 | Surface water purchased | 1 | Below the study levels |
| MONTGOMERY COUNTY MUD 67 | TX1700554 | 16,821 | Surface water purchased | 1 | Below the study levels |
| MONTGOMERY COUNTY MUD 7 | TX1700169 | 12,528 | Surface water purchased | 1 | Below the study levels |
| MONTGOMERY COUNTY MUD 89 | TX1700717 | 4,761 | Ground water | 2 | Below the study levels |
| MONTGOMERY COUNTY MUD 9 | TX1700220 | 5,949 | Ground water | 3 | Below the study levels |
| MONTGOMERY COUNTY UD 3 | TX1700116 | 3,825 | Ground water | 2 | Below the study levels |
| MONTGOMERY COUNTY UD 4 | TX1700286 | 4,980 | Ground water | 2 | Below the study levels |
| MONTGOMERY COUNTY WCID 1 | TX1700119 | 7,070 | Ground water | 2 | Below the study levels |
| MOUNT HOUSTON ROAD MUD | TX1010728 | 5,346 | Ground water | 2 | Below the study levels |
| MOUNTAIN PEAK SUD | TX0700042 | 23,988 | Surface water purchased | 7 | Below the study levels |
| MULESHOE MUNICIPAL WATER SYSTEM | TX0090001 | 5,158 | Ground water | 1 | Below the study levels |
| MULLINS MOBILE HOME PARK | TX0610195 | 87 | Ground water | 1 | Below the study levels |
| MULTI-COUNTY WSC | TX0500044 | 3,631 | Surface water purchased | 1 | Below the study levels |
| MUSTANG SUD | TX0610036 | 110,826 | Surface water purchased | 10 | Below the study levels |
| Montgomery Trace | TX1700638 | 25,917 | Surface water purchased | 9 | Below the study levels |
| NAVAL AIR STATION KINGSVILLE | TX1370003 | 1,550 | Surface water purchased | 1 | Below the study levels |
| NAVARRO MILLS WSC | TX1750024 | 3,852 | Surface water purchased | 1 | Below the study levels |
| NEW BRAUNFELS UTILITIES | TX0460001 | 116,477 | Surface water | 9 | Below the study levels |
| NEW CANEY MUD | TX1700101 | 14,307 | Ground water | 3 | Below the study levels |
| NEWPORT MUD | TX1010362 | 13,191 | Surface water | 2 | Below the study levels |
| NORTH ALAMO WSC | TX1080029 | 171,195 | Surface water | 7 | Below the study levels |
| NORTH AUSTIN MUD 1 | TX2270226 | 11,133 | Surface water purchased | 1 | Below the study levels |
| NORTH CHEROKEE WSC | TX0370018 | 6,951 | Surface water purchased | 2 | Below the study levels |
| NORTH COLLIN SUD | TX0430055 | 10,716 | Surface water purchased | 3 | Below the study levels |
| NORTH GREEN MUD | TX1010331 | 4,941 | Ground water | 1 | Below the study levels |
| NORTH HARDIN WSC | TX1000015 | 7,755 | Ground water | 3 | Below the study levels |
| NORTH HUNT SUD | TX1160039 | 4,836 | Surface water purchased | 3 | Below the study levels |
| NORTH MISSION GLEN MUD | TX0790174 | 9,096 | Surface water purchased | 1 | Below the study levels |
| NORTH PARK PUD | TX1010745 | 6,708 | Ground water | 1 | Below the study levels |
| NORTHAMPTON MUD | TX1010337 | 12,162 | Ground water | 3 | Below the study levels |
| NORTHGATE CROSSING MUD 1 | TX1013077 | 3,906 | Ground water | 1 | Below the study levels |
| NORTHGATE CROSSING MUD 2 | TX1013078 | 3,753 | Ground water | 1 | Below the study levels |
| NORTHTOWN MUD | TX2270264 | 11,520 | Surface water purchased | 1 | Below the study levels |
| NORTHWEST FREEWAY MUD | TX1011256 | 3,678 | Ground water | 2 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 10 | TX1011649 | 7,671 | Ground water | 3 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 12 | TX1011901 | 7,764 | Ground water | 1 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 15 | TX1011600 | 6,915 | Ground water | 2 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 20 | TX1011998 | 3,429 | Ground water | 1 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 23 | TX1011746 | 4,470 | Ground water | 1 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 32 | TX1013034 | 5,016 | Ground water | 1 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 5 | TX1010884 | 25,425 | Surface water purchased | 4 | Below the study levels |
| NORTHWEST HARRIS COUNTY MUD 9 | TX1011599 | 7,848 | Ground water | 2 | Below the study levels |
| NORTHWEST PARK MUD | TX1010593 | 18,168 | Ground water | 3 | Below the study levels |
| NOTTINGHAM COUNTRY MUD | TX1012315 | 7,089 | Ground water | 1 | Below the study levels |
| NUECES COUNTY WCID 3 | TX1780005 | 14,000 | Surface water | 1 | Below the study levels |
| NUECES COUNTY WCID 4 | TX1780006 | 14,880 | Surface water purchased | 2 | Below the study levels |
| OAK TRAIL SHORES | TX1110004 | 5,676 | Surface water | 1 | Below the study levels |
| OAKMONT PUD | TX1012981 | 3,450 | Ground water | 1 | Below the study levels |
| OLD EGYPT SUBDIVISION | TX1700666 | 8,442 | Ground water | 4 | Below the study levels |
| OLMITO WSC | TX0310026 | 8,952 | Surface water | 1 | Below the study levels |
| ONALASKA WSC | TX1870009 | 5,289 | Ground water | 4 | Below the study levels |
| ORANGE COUNTY WCID 1 | TX1810005 | 15,258 | Ground water | 3 | Below the study levels |
| ORANGE COUNTY WCID 2 | TX1810006 | 4,074 | Ground water | 3 | Below the study levels |
| ORANGEFIELD WSC | TX1810186 | 8,231 | Ground water | 2 | Below the study levels |
| PARKWAY UTILITY DISTRICT | TX1010750 | 7,323 | Ground water | 2 | Below the study levels |
| PATTISON WSC | TX2370005 | 1,650 | Ground water | 2 | Below the study levels |
| PAXTON WSC JACKSON PLANT | TX2100031 | 1,137 | Surface water purchased | 1 | Below the study levels |
| PECAN GROVE MUD | TX0790132 | 14,913 | Surface water | 4 | Below the study levels |
| PECOS COUNTY WCID 1 | TX1860026 | 3,612 | Ground water | 1 | Below the study levels |
| PERRYTON MUNICIPAL WATER SYSTEM | TX1790001 | 8,492 | Ground water | 1 | Below the study levels |
| PINE HARBOR SUBDIVISION | TX1580023 | 1,314 | Ground water | 1 | Below the study levels |
| PINE TRAILS UTILITY | TX1010535 | 6,969 | Surface water purchased | 1 | Below the study levels |
| PIONEER VALLEY WATER CO | TX0490020 | 1,002 | Ground water | 1 | Below the study levels |
| PLAINVIEW MUNICIPAL WATER SYSTEM | TX0950004 | 21,104 | Surface water | 5 | Below the study levels |
| PLANTATION MUD | TX0790112 | 4,260 | Ground water | 2 | Below the study levels |
| PLUM CREEK | TX1050028 | 7,065 | Surface water purchased | 2 | Below the study levels |
| PONDEROSA FOREST UTILITY DISTRICT | TX1010384 | 10,101 | Ground water | 3 | Below the study levels |
| PORTER SUD | TX1700068 | 26,388 | Ground water | 4 | Below the study levels |
| POSSUM KINGDOM WSC | TX1820076 | 7,395 | Surface water | 1 | Below the study levels |
| PRAIRIE VIEW A&M UNIVERSITY | TX2370002 | 9,550 | Ground water | 2 | Below the study levels |
| PRITCHETT WATER SUPPLY CORPORATION | TX2300012 | 10,089 | Ground water | 13 | Below the study levels |
| QUAIL VALLEY UTILITY DISTRICT | TX0790028 | 14,409 | Ground water | 3 | Below the study levels |
| R C H WSC | TX1990012 | 7,863 | Surface water purchased | 1 | Below the study levels |
| RAMEY WSC | TX2500018 | 5,238 | Ground water | 6 | Below the study levels |
| RAYFORD ROAD MUD | TX1700334 | 11,550 | Surface water purchased | 2 | Below the study levels |
| REID ROAD MUD 1 | TX1010872 | 6,969 | Ground water | 2 | Below the study levels |
| REID ROAD MUD 2 | TX1011928 | 4,662 | Ground water | 2 | Below the study levels |
| REMINGTON MUD 1 | TX1013074 | 13,746 | Surface water purchased | 2 | Below the study levels |
| RICE UNIVERSITY | TX1010908 | 8,415 | Surface water purchased | 2 | Below the study levels |
| RICE WSC | TX1750019 | 10,167 | Surface water purchased | 2 | Below the study levels |
| RICEWOOD MUD | TX1012227 | 4,908 | Surface water purchased | 1 | Below the study levels |
| RICHLAND SUD | TX2060012 | 2,505 | Ground water | 2 | Below the study levels |
| RINCON WSC | TX2050078 | 5,034 | Surface water purchased | 3 | Below the study levels |
| RIO WSC | TX2140016 | 6,939 | Surface water | 1 | Below the study levels |
| ROCKETT SUD | TX0700033 | 46,614 | Surface water purchased | 2 | Below the study levels |
| RRA TELL CEE VEE WS | TX0380013 | 534 | Surface water purchased | 1 | Below the study levels |
| S S WSC | TX2470015 | 20,826 | Ground water | 5 | Below the study levels |
| SAGEMEADOW UTILITY DISTRICT | TX1010386 | 6,975 | Surface water purchased | 2 | Below the study levels |
| SALADO WSC | TX0140035 | 11,460 | Surface water purchased | 10 | Below the study levels |
| SAN ANTONIO WATER SYSTEM | TX0150018 | 2,643,729 | Surface water purchased | 44 | Below the study levels |
| SAN JACINTO SUD | TX2040033 | 3,993 | Ground water | 3 | Below the study levels |
| SAN LEON MUD | TX0840063 | 11,622 | Surface water purchased | 1 | Below the study levels |
| SAND FLAT WSC | TX2120020 | 4,569 | Ground water | 3 | Below the study levels |
| SARDIS LONE ELM WSC | TX0700034 | 20,736 | Surface water purchased | 7 | Below the study levels |
| SEBASTIAN MUD | TX2450006 | 1,884 | Surface water | 3 | Below the study levels |
| SHARON WSC | TX2500020 | 9,111 | Ground water | 9 | Below the study levels |
| SHARYLAND WSC | TX1080033 | 68,562 | Surface water | 3 | Below the study levels |
| SHELBYVILLE WSC | TX2100014 | 1,800 | Ground water | 2 | Below the study levels |
| SHEPPARD AIR FORCE BASE | TX2430007 | 19,500 | Surface water purchased | 1 | Below the study levels |
| SIENNA PLANTATION MUD 10 | TX0790452 | 7,824 | Ground water purchased | 1 | Below the study levels |
| SIENNA PLANTATION MUD 2 | TX0790345 | 4,847 | Ground water purchased | 1 | Below the study levels |
| SIENNA PLANTATION MUD 3 | TX0790376 | 7,365 | Ground water purchased | 1 | Below the study levels |
| SJWTX TRIPLE PEAK PLANT | TX0460172 | 32,973 | Surface water | 14 | Reached a study level |
| SONTERRA MUD | TX2460157 | 16,614 | Surface water purchased | 3 | Below the study levels |
| SOUTH FREESTONE COUNTY WSC | TX0810005 | 3,753 | Ground water | 9 | Below the study levels |
| SOUTH GRAYSON SUD | TX0910064 | 6,750 | Ground water | 5 | Below the study levels |
| SOUTH NEWTON WSC | TX1760022 | 3,729 | Ground water | 4 | Below the study levels |
| SOUTH TAWAKONI WSC | TX2340019 | 5,205 | Surface water | 1 | Below the study levels |
| SOUTHERN MONTGOMERY COUNTY MUD | TX1700073 | 13,372 | Surface water purchased | 3 | Below the study levels |
| SOUTHERN UTILITIES | TX2120063 | 69,735 | Surface water purchased | 27 | Below the study levels |
| SOUTHERN WATER | TX1010012 | 3,933 | Ground water | 1 | Below the study levels |
| SOUTHWEST FANNIN COUNTY SUD | TX0740031 | 9,198 | Ground water | 8 | Below the study levels |
| SOUTHWEST MILAM WSC | TX1660015 | 11,739 | Ground water | 3 | Below the study levels |
| SPANISH BIT PLANTATION SUB | TX1610102 | 126 | Ground water | 1 | Below the study levels |
| SPANISH GRANT SUBDIVISION | TX0700064 | 444 | Ground water | 1 | Below the study levels |
| SPEARMAN MUNICIPAL WATER SYSTEM | TX0980001 | 3,172 | Ground water | 2 | Below the study levels |
| SPENCER ROAD PUD | TX1010654 | 5,607 | Surface water purchased | 2 | Below the study levels |
| SPRING CREEK UTILITY DISTRICT | TX1700133 | 8,919 | Ground water | 1 | Below the study levels |
| SPRING MEADOWS MUD | TX1013261 | 4,200 | Surface water purchased | 1 | Below the study levels |
| SPRING WEST MUD | TX1013017 | 2,639 | Ground water | 2 | Below the study levels |
| SPRINGS HILL WSC | TX0940022 | 35,541 | Surface water | 3 | Below the study levels |
| STANLEY LAKE MUD | TX1700097 | 3,783 | Ground water | 4 | Below the study levels |
| STARRVILLE-FRIENDSHIP WSC | TX2120012 | 2,121 | Ground water | 4 | Below the study levels |
| STEAMBOAT MOUNTAIN WSC | TX2210022 | 8,178 | Surface water purchased | 2 | Below the study levels |
| SUGARBERRY PLACE | TX1013084 | 864 | Ground water | 1 | Below the study levels |
| SUNBELT FWSD HIGH MEADOWS SUBDIVISION | TX1010292 | 8,946 | Surface water purchased | 2 | Below the study levels |
| SUNBELT FWSD OAKWILDE SUBDIVISION | TX1010022 | 6,819 | Surface water purchased | 2 | Below the study levels |
| SUNBELT FWSD WOODLAND OAKS SUBDIVISION | TX1010758 | 4,578 | Surface water purchased | 2 | Below the study levels |
| SUNKO WSC | TX2470005 | 5,064 | Ground water | 2 | Below the study levels |
| TALTY SUD | TX1290025 | 15,987 | Surface water purchased | 2 | Below the study levels |
| TANGLEWOOD ON TEXOMA | TX0910052 | 4,341 | Surface water purchased | 4 | Reached a study level |
| TARKINGTON SUD | TX1460055 | 5,265 | Ground water | 2 | Below the study levels |
| TATTOR ROAD MUD | TX1010625 | 5,400 | Ground water | 1 | Below the study levels |
| TBCD WINNIE STOWELL | TX0360002 | 8,397 | Surface water | 1 | Below the study levels |
| TDCJ BETO UNIT | TX0010044 | 8,148 | Ground water | 3 | Below the study levels |
| TDCJ CHASE FIELD | TX0130002 | 5,669 | Ground water | 1 | Below the study levels |
| TDCJ COFFIELD MICHAEL | TX0010031 | 7,965 | Ground water | 3 | Below the study levels |
| TDCJ JESTER 1 UNIT | TX0790085 | 3,365 | Ground water | 2 | Below the study levels |
| TDCJ RAMSEY AREA | TX0200201 | 5,119 | Ground water | 3 | Below the study levels |
| TEXARKANA WATER UTILITIES, TX | TX0190004 | 37,000 | Surface water | 2 | Below the study levels |
| TEXAS A&M UNIVERSITY COMMERCE | TX1160008 | 4,350 | Surface water purchased | 2 | Below the study levels |
| TEXAS A&M UNIVERSITY MAIN CAMPUS | TX0210017 | 58,500 | Ground water | 2 | Below the study levels |
| TEXAS NATIONAL MUD | TX1700207 | 931 | Ground water | 1 | Below the study levels |
| TEXAS STATE TECHNICAL COLLEGE - WACO | TX1550138 | 3,100 | Surface water purchased | 1 | Below the study levels |
| TEXAS STATE UNIVERSITY - SAN MARCOS | TX1050003 | 43,552 | Ground water | 1 | Below the study levels |
| THE CONSOLIDATED WSC CENTRAL SYSTEM | TX1130031 | 3,878 | Ground water | 2 | Below the study levels |
| THUNDERBIRD UTILITY DISTRICT 1 | TX0790033 | 4,203 | Ground water | 2 | Below the study levels |
| TIMBER LANE UTILITY DISTRICT | TX1010278 | 24,507 | Ground water | 4 | Below the study levels |
| TOWN OF ANNETTA DEER CREEK | TX1840111 | 2,418 | Ground water | 8 | Below the study levels |
| TOWN OF ANTHONY | TX0710001 | 5,555 | Ground water | 3 | Reached a study level |
| TOWN OF CUT AND SHOOT | TX1700592 | 6,000 | Ground water | 2 | Below the study levels |
| TOWN OF FLOWER MOUND | TX0610023 | 80,000 | Surface water purchased | 3 | Below the study levels |
| TOWN OF HIGHLAND PARK | TX0570049 | 8,959 | Surface water purchased | 1 | Below the study levels |
| TOWN OF LITTLE ELM | TX0610035 | 41,000 | Surface water purchased | 1 | Below the study levels |
| TOWN OF PROSPER | TX0430009 | 42,598 | Surface water purchased | 1 | Below the study levels |
| TOWN OF PROVIDENCE VILLAGE | TX0610244 | 7,128 | Surface water purchased | 1 | Below the study levels |
| TOWN OF SUNNYVALE | TX0570059 | 8,839 | Surface water purchased | 1 | Below the study levels |
| TRAIL OF THE LAKES MUD | TX1010617 | 9,480 | Ground water | 2 | Below the study levels |
| TRAVIS COUNTY WCID 17 | TX2270027 | 45,165 | Surface water | 2 | Below the study levels |
| TRI COUNTY SUD | TX0730004 | 5,353 | Ground water | 2 | Below the study levels |
| TRI SUD | TX2250004 | 17,641 | Surface water purchased | 1 | Below the study levels |
| TULIA MUNICIPAL WATER SYSTEM | TX2190003 | 4,951 | Ground water | 2 | Below the study levels |
| TWO WAY SUD | TX0910022 | 6,804 | Ground water | 6 | Below the study levels |
| TYLER COUNTY SUD | TX2290037 | 5,872 | Ground water | 5 | Below the study levels |
| UNION WSC | TX2140004 | 5,793 | Surface water | 1 | Below the study levels |
| UPPER JASPER COUNTY WATER AUTHORITY 1 | TX1210060 | 3,048 | Ground water | 3 | Below the study levels |
| US ARMY SOUTH FORT HOOD | TX0140107 | 35,669 | Surface water purchased | 2 | Below the study levels |
| VALLEY RANCH MUD 1 | TX1700752 | 4,056 | Ground water purchased | 1 | Below the study levels |
| VERDE PARK ESTATES | TX1330027 | 213 | Ground water | 1 | Below the study levels |
| VIRGINIA HILL WSC | TX1070200 | 4,290 | Ground water | 3 | Below the study levels |
| WALNUT CREEK SUD | TX1840008 | 30,364 | Surface water | 1 | Below the study levels |
| WALNUT GROVE WSC | TX2120024 | 8,775 | Surface water purchased | 3 | Below the study levels |
| WALSTON SPRINGS WSC | TX0010030 | 4,221 | Ground water | 3 | Below the study levels |
| WEBB COUNTY WATER UTILITIES | TX2400022 | 8,358 | Surface water | 1 | Below the study levels |
| WELLBORN SUD | TX0210016 | 25,092 | Surface water | 6 | Below the study levels |
| WELLS BRANCH MUD 1 | TX2270227 | 18,015 | Surface water purchased | 1 | Below the study levels |
| WEST BELL COUNTY WSC | TX0140105 | 4,842 | Surface water purchased | 1 | Below the study levels |
| WEST CEDAR CREEK MUD | TX1070190 | 24,414 | Surface water | 2 | Below the study levels |
| WEST GREGG SUD | TX0920022 | 5,127 | Ground water | 4 | Below the study levels |
| WEST HARDIN WSC | TX1000055 | 4,630 | Ground water | 3 | Below the study levels |
| WEST HARRIS COUNTY MUD 1 | TX1010925 | 1,581 | Ground water purchased | 1 | Below the study levels |
| WEST HARRIS COUNTY MUD 10 | TX1012068 | 6,697 | Ground water | 2 | Below the study levels |
| WEST HARRIS COUNTY MUD 2 CHASE | TX1011029 | 6,921 | Ground water | 1 | Below the study levels |
| WEST HARRIS COUNTY MUD 6 | TX1011258 | 3,435 | Ground water | 1 | Below the study levels |
| WEST HARRIS COUNTY MUD 7 | TX1012228 | 5,289 | Ground water | 1 | Below the study levels |
| WEST HARRIS COUNTY MUD 9 | TX1011798 | 5,961 | Ground water | 1 | Below the study levels |
| WEST JEFFERSON COUNTY MWD | TX1230021 | 9,367 | Surface water | 1 | Below the study levels |
| WEST MEMORIAL MUD | TX1010540 | 4,182 | Ground water | 2 | Below the study levels |
| WEST TRAVIS COUNTY PUBLIC UTILITY AGENCY | TX2270235 | 35,664 | Surface water | 1 | Below the study levels |
| WEST WISE SUD | TX2490016 | 3,909 | Surface water | 2 | Below the study levels |
| WESTADOR MUD | TX1010277 | 5,337 | Surface water purchased | 1 | Below the study levels |
| WESTERN CASS WSC | TX0340066 | 5,871 | Ground water | 6 | Below the study levels |
| WESTERN PINES MHP | TX1011714 | 1,170 | Ground water | 1 | Below the study levels |
| WESTLAKE MUD 1 | TX1010635 | 3,909 | Ground water | 1 | Below the study levels |
| WICKSON CREEK SUD | TX0210005 | 15,000 | Ground water | 3 | Below the study levels |
| WICKSON CREEK SUD GRIMES COUNTY | TX0930003 | 4,843 | Ground water | 2 | Below the study levels |
| WILDWOOD MOBILE HOME VILLAGE | TX1520046 | 577 | Ground water | 2 | Below the study levels |
| WILLIAMSON COUNTY MUD 10 | TX2460145 | 3,513 | Surface water purchased | 1 | Below the study levels |
| WILLIAMSON COUNTY WSID 3 | TX2460152 | 8,265 | Ground water purchased | 1 | Below the study levels |
| WILLIAMSON TRAVIS COUNTY MUD 1 | TX2460120 | 5,793 | Surface water purchased | 1 | Below the study levels |
| WIMBERLEY WSC | TX1050018 | 5,334 | Ground water | 3 | Below the study levels |
| WINDERMERE COMMUNITY | TX2270161 | 21,231 | Surface water purchased | 5 | Reached a study level |
| WINKLER WSC | TX1750023 | 1,344 | Surface water | 1 | Below the study levels |
| WOODBINE WSC | TX0490018 | 7,689 | Ground water | 9 | Below the study levels |
| WOODLAND HILLS | TX0610084 | 114 | Ground water | 1 | Below the study levels |
| WOODRIDGE MUD | TX1700859 | 2,550 | Ground water purchased | 1 | Below the study levels |
| YANCEY WSC | TX1630021 | 12,186 | Ground water | 4 | Below the study levels |
| YAUPON COVE | TX1870017 | 1,000 | Ground water | 2 | Below the study levels |
What is included
Each active community water system with complete monitoring is counted once, even if it is linked with several ZIP codes. Private wells are excluded, and UCMR 5 did not comprehensively monitor every small system. This page does not apply Texas's state-specific standards or determine compliance. Use the official state or territory drinking-water program for current regulatory information.