EPA · discharge permits by state
Discharge permits in Texas
- 39,714Current permits
- 764Major dischargers
- 4,547Individual permits
A major discharger is one EPA rates as significant on volume, toxicity or the water it reaches; the rest are minors. An individual permit is written for one operation, while general permit coverage applies a statewide permit to a site that qualifies for it.
This page gathers Texas’s current permits three ways below — by the program they are issued under, by the city of the discharge, and by watershed. It names 6 programs, 1,074 cities and 2,259 watersheds. Each list says which set it covers.
Every permit’s record
Each of the 39,714 current permits in Texas has a record page: the permittee, the receiving water, the status and dates, and its effluent limits and exceedances. Each city below lists its own; or every permit in Texas, A to Z.
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
By what is permitted in Texas
- Construction stormwater23,986
- Industrial stormwater8,480
- Concentrated animal feeding operations292
- Large municipal storm sewer systems21
- Small municipal storm sewer systems199
- Publicly owned treatment works1,720
By city
- FORT WORTH1,039
- DALLAS915
- AUSTIN796
- EL PASO510
- CONROE454
- CELINA350
- GEORGETOWN330
- CORPUS CHRISTI309
- CYPRESS306
- COLLEGE STATION291
- GARLAND278
- FRISCO275
- DENTON261
- BAYTOWN237
- BRYAN222
- ABILENE218
- ARLINGTON204
- BROWNSVILLE188
- BEAUMONT172
- AMARILLO171
- CARROLLTON146
- CROSBY137
- EDINBURG132
- BROOKSHIRE122
- BOERNE114
- FULSHEAR112
- CLEVELAND111
- BASTROP106
- ANNA103
- DAYTON91
- BUDA90
- ALVIN85
- ELGIN83
- CONVERSE82
- DFW AIRPORT82
- CLEBURNE77
- FORNEY76
- BURLESON75
- DUBLIN71
- ANGLETON69
- ENNIS67
- BELTON66
- FLOWER MOUND62
- CEDAR PARK58
- AUBREY56
- DRIPPING SPRINGS56
- COPPERAS COVE55
- ALLEN53
- ALVARADO53
- FREEPORT53
- CHANNELVIEW51
- CIBOLO51
- CEDAR CREEK49
- GALVESTON49
- DEL VALLE46
- ATHENS45
- DENISON45
- EULESS44
- BULVERDE43
- ELMENDORF43
- FORT BEND COUNTY43
- GAINESVILLE43
- AZLE42
- CROWLEY42
- DECATUR41
- CRANDALL40
- ALEDO39
- FREDERICKSBURG39
- BAY CITY38
- DEER PARK37
- FLORENCE37
- CADDO MILLS36
- EAGLE PASS36
- BROWNWOOD35
- BIG SPRING34
- BEASLEY33
- CEDAR HILL33
- ARGYLE32
- CASTROVILLE32
- DICKINSON32
- FRESNO32
- BRENHAM31
- BURNET31
- FERRIS30
- GONZALES30
- CITY OF HOUSTON29
- CORINTH29
- DENTON COUNTY29
- BULLARD28
- FATE28
- FORT STOCKTON27
- FRIENDSWOOD27
- ALTON26
- BELLVILLE26
- BORGER26
- CRESSON26
- DONNA26
- FARMERSVILLE26
- FT WORTH26
- DESOTO25
- COMANCHE24
- COPPELL24
- CORSICANA24
- GALENA PARK24
- GODLEY24
- ARCOLA23
- EL CAMPO23
- BALCH SPRINGS22
- BRAZORIA COUNTY22
- BRIDGEPORT22
- CANYON22
- CLINT22
- DUMAS22
- DALHART21
- FARMERS BRANCH21
- FLORESVILLE21
- CROCKETT20
- ANDREWS19
- CANTON19
- CHILDRESS19
- COLLIN COUNTY19
- COLUMBUS19
- GATESVILLE19
- GLEN ROSE19
- ALAMO18
- ALICE18
- BEEVILLE18
- CANYON LAKE18
- COLLEYVILLE18
- ADDISON17
- BLUE RIDGE17
- CITY OF CLEVELAND17
- COLORADO CITY17
- DEL RIO17
- FAIRFIELD17
- BARTONVILLE16
- BEE CAVE16
- CALDWELL16
- DIMMITT16
- BERTRAM15
- BRECKENRIDGE15
- BROWNFIELD15
- CARTHAGE15
- CENTER15
- FRIONA15
- ARANSAS PASS14
- BONHAM14
- BOYD14
- BREMOND14
- DALLAS ETJ14
- EASTLAND14
- FLATONIA14
- COMFORT13
- DRIFTWOOD13
- FLINT13
- GARDEN CITY13
- ANDERSON12
- CHICO12
- CLIFTON12
- CREEDMOOR12
- CUERO12
- FAIR OAKS RANCH12
- GILMER12
- ADKINS11
- BARSTOW11
- BEDFORD11
- BLANCO11
- BOWIE11
- BRIDGE CITY11
- CHANDLER11
- EMORY11
- GIDDINGS11
- ALPINE10
- BELLAIRE10
- BENBROOK10
- BLOOMINGTON10
- BLUM10
- CANUTILLO10
- CITY OF WALLER10
- CLAUDE10
- FORT WORTH ETJ10
- ALBA9
- ANAHUAC9
- BRADY9
- BUFFALO9
- BURKBURNETT9
- CITY OF FORT WORTH9
- CLUTE9
- COLEMAN9
- COMO9
- COOPER9
- COVE9
- DALE9
- EAGLE LAKE9
- ELLIS COUNTY9
- ERATH COUNTY9
- FAIRVIEW9
- FORT BLISS9
- GAIL9
- GLADEWATER9
- GLENN HEIGHTS9
- ALVORD8
- BEN WHEELER8
- BEXAR COUNTY8
- CACTUS8
- CARRIZO SPRINGS8
- CISCO8
- COMMERCE8
- COTULLA8
- CUT AND SHOOT8
- DIBOLL8
- EDNA8
- FALLS CITY8
- FAYETTEVILLE8
- FOREST HILL8
- GALVESTON COUNTY8
- ATASCOSA7
- ATLANTA7
- BLOOMING GROVE7
- BOLING7
- BONNEY7
- BRAZORIA7
- CALDWELL COUNTY7
- CAMERON7
- CHAMBERS COUNTY7
- CITY OF KATY7
- CITY OF TOMBALL7
- CLARENDON7
- CLARKSVILLE7
- COMBES7
- COMBINE7
- CRYSTAL BEACH7
- DILLEY7
- ELECTRA7
- FABENS7
- FALFURRIAS7
- FARWELL7
- FT HOOD7
- GARRISON7
- GARWOOD7
- GOLIAD7
- ABERNATHY6
- AFTON6
- ALLEYTON6
- ALTO6
- BAIRD6
- BANDERA6
- BIG LAKE6
- BIG SANDY6
- BROWNSBORO6
- BURLINGTON6
- CAMERON COUNTY6
- CAMPBELL6
- CATARINA6
- CENTER POINT6
- CHAPPELL HILL6
- CHINA6
- CITY OF FORT WORTH ETJ6
- CITY OF NEW BRAUNFELS6
- CLYDE6
- COLDSPRING6
- COUPLAND6
- CRANDALL ETJ6
- DANEVANG6
- DFW6
- EDEN6
- ELM MOTT6
- FISCHER6
- FORT CAVAZOS6
- FORT HANCOCK6
- FRANKLIN6
- FRANKSTON6
- GEORGE WEST6
- AMHERST5
- ANSON5
- ANTHONY5
- ATASCOCITA5
- AVALON5
- AXTELL5
- BALMORHEA5
- BISHOP5
- BROCK5
- BRONTE5
- CANADIAN5
- CHRISTOVAL5
- CITY OF SAN MARCOS5
- CORRIGAN5
- CRANE5
- CROSS ROADS5
- CROWELL5
- CUMBY5
- DANBURY5
- DEKALB5
- DEVINE5
- DISH5
- DORCHESTER5
- EAST BERNARD5
- EDCOUCH5
- EDGEWOOD5
- ELDORADO5
- ELSA5
- FORNEY ETJ5
- FORT HOOD5
- GARDEN RIDGE5
- ANGELTON4
- ARCHER CITY4
- BACLIFF4
- BALLINGER4
- BARTONVILLE ETJ4
- BEACH CITY4
- BECKVILLE4
- BELL COUNTY4
- BELLS4
- BENAVIDES4
- BOVINA4
- BUNA4
- BURTON4
- CAMPBELLTON4
- CHANNING4
- CHARLOTTE4
- CHRISTINE4
- CITY OF CRANDALL ETJ4
- CITY OF LONGVIEW4
- COPEVILLE4
- COPPER CANYON4
- DAINGERFIELD4
- DALWORTHINGTON GARDENS4
- DE KALB4
- DRISCOLL4
- EARLY4
- EL INDIO4
- ELKHART4
- ETJ OF CITY OF JUSTIN4
- EVANT4
- FLOYDADA4
- FORT DAVIS4
- GOLDTHWAITE4
- ACTON3
- ALBANY3
- ALTAIR3
- ANDERSON COUNTY3
- ASPERMONT3
- AUSTWELL3
- AVINGER3
- BANQUETE3
- BARTLETT3
- BLUFF DALE3
- BOOKER3
- BOYS RANCH3
- BRAZOS COUNTY3
- BROWSVILLE3
- BRUCEVILLE3
- BRUNI3
- BUCHANAN DAM3
- CALHOUN COUNTY3
- CARLOS3
- CELINA ETJ3
- CHATFIELD3
- CHILLICOTHE3
- CISTERN3
- CITY OF DALLAS3
- CITY OF DALLAS ETJ3
- CITY OF ELGIN3
- CITY OF FERRIS3
- CITY OF HICO3
- CITY OF INGLESIDE3
- CITY OF MIDLAND3
- CITY OF MUSTANG RIDGE3
- CITY OF PFLUGERVILLE3
- CITY OF PORT ARTHUR3
- CITY OF PROSPER3
- CITY OF ROYSE CITY3
- CITY OF SAN ANTONIO3
- COAHOMA3
- COLLINSVILLE3
- COLMESNEIL3
- COOKE COUNTY3
- CORYELL COUNTY3
- CRAWFORD3
- CROSSROADS3
- CRYSTAL CITY3
- CULBERSON COUNTY3
- CUNEY3
- DALLAS FORT WORTH AIRPORT3
- DAWN3
- DAWSON3
- DENTON ETJ3
- DUNCANVILLE3
- EARTH3
- EAST TAWAKONI3
- EDDY3
- EDROY3
- EL LAGO3
- ENCINAL3
- EVADALE3
- FORT WORH3
- FREER3
- FT BLISS3
- GOLDEN3
- GOLDSMITH3
The 400 cities with the most permits. All 1,074 cities in Texas with 3 or more permits are listed at every city in Texas.
Watersheds inside Texas 2,259
Every watershed with three or more permits in Texas, most permits first.
- Subbasin 11140106 18
- Subwatershed 120200010306 18
- Watershed 1202000604 18
- Subwatershed 120301020204 18
- Subwatershed 120301060105 18
- Subwatershed 120401030107 18
- Watershed 1205000503 18
- Watershed 1205000505 18
- Watershed 1206010203 18
- Watershed 1206020101 18
- Watershed 1206020203 18
- Subwatershed 120701040305 18
- Watershed 1207020102 18
- Subwatershed 120702010601 18
- Subwatershed 120702030401 18
- Watershed 1208000504 18
- Watershed 1209010301 18
- Subwatershed 120902060110 18
- Watershed 1209030105 18
- Subwatershed 121002010203 18
- Watershed 1210020203 18
- Subwatershed 121101100101 18
- Subwatershed 121102020104 18
- Subwatershed 111201030106 17
- Watershed 1113020603 17
- Watershed 1113021004 17
- Watershed 1114010104 17
- Subwatershed 120100010103 17
- Watershed 1201000302 17
- Watershed 1202000102 17
- Watershed 1202000105 17
- Subwatershed 120200040103 17
- Subwatershed 120200050102 17
- Subwatershed 120200050104 17
- Subwatershed 120301020101 17
- Subwatershed 120301020205 17
- Subwatershed 120301030105 17
- Subwatershed 120301050205 17
- Subwatershed 120401020102 17
- Watershed 1206010303 17
- Subwatershed 120701040409 17
- Watershed 1207020109 17
- Subwatershed 120702011104 17
- Subwatershed 120702030511 17
- Subwatershed 120901040510 17
- Subbasin 12090106 17
- Watershed 1209030104 17
- Watershed 1210040204 17
- Subwatershed 121004020400 17
- Watershed 1211010901 17
- Subwatershed 130700010903 17
- Watershed 1308000101 17
- Subwatershed 130800020609 17
- Watershed 1309000101 17
- Subwatershed 110901050402 16
- Watershed 1114010102 16
- Subbasin 11140304 16
- Subwatershed 120100020104 16
- Watershed 1202000404 16
- Subwatershed 120200050101 16
- Subwatershed 120301010604 16
- Subwatershed 120301010608 16
- Subwatershed 120301020302 16
- Subwatershed 120301030206 16
- Watershed 1203010802 16
- Watershed 1203020107 16
- Subwatershed 120401020202 16
- Watershed 1205000204 16
- Subwatershed 120602030301 16
- Watershed 1207010203 16
- Subwatershed 120701030704 16
- Subwatershed 120701030804 16
- Watershed 1207010402 16
- Watershed 1207020101 16
- Watershed 1209010701 16
- Subwatershed 120902050403 16
- Subwatershed 121002020207 16
- Watershed 1210020305 16
- Subwatershed 121003010101 16
- Watershed 1210040203 16
- Watershed 1210040502 16
- Watershed 1304010004 16
- Subwatershed 130800020101 16
- Subwatershed 130800030206 16
- Subbasin 11120105 15
- Subbasin 11130105 15
- Watershed 1113010502 15
- Watershed 1114010606 15
- Watershed 1114030104 15
- Watershed 1114030602 15
- Subwatershed 120100010401 15
- Watershed 1202000205 15
- Watershed 1202000602 15
- Subwatershed 120301090304 15
- Watershed 1203020212 15
- Watershed 1204010101 15
- Watershed 1206010205 15
- Watershed 1207010104 15
- Watershed 1207010304 15
- Subwatershed 120702050202 15
- Subwatershed 120902050101 15
- Subwatershed 120902050207 15
- Subwatershed 120903010204 15
- Watershed 1209030106 15
- Watershed 1210010201 15
- Subwatershed 121002010405 15
- Subwatershed 121002040108 15
- Watershed 1210020404 15
- Watershed 1211010609 15
- Subbasin 13050004 15
- Subwatershed 111401060604 14
- Subwatershed 120100020503 14
- Subwatershed 120100020703 14
- Watershed 1201000303 14
- Watershed 1201000401 14
- Subwatershed 120200010506 14
- Watershed 1203010804 14
- Subwatershed 120601020707 14
- Watershed 1206020105 14
- Subwatershed 120701010801 14
- Subwatershed 120702040106 14
- Watershed 1207020403 14
- Subbasin 12080008 14
- Subbasin 12090101 14
- Subwatershed 120902050102 14
- Subwatershed 120903010105 14
- Watershed 1210020103 14
- Watershed 1210020205 14
- Watershed 1210030304 14
- Watershed 1210040301 14
- Subwatershed 121004030100 14
- Subwatershed 121004070304 14
- Subbasin 12110107 14
- Subwatershed 130301020906 14
- Subbasin 13070006 14
- Watershed 1109010601 13
- Watershed 1109010602 13
- Watershed 1112010203 13
- Subwatershed 111201030102 13
- Subbasin 11120104 13
- Subwatershed 111401010702 13
- Watershed 1114030201 13
- Watershed 1114030202 13
- Subwatershed 120100010201 13
- Watershed 1201000210 13
- Subwatershed 120200030405 13
- Subwatershed 120200040401 13
- Subwatershed 120301010605 13
- Subwatershed 120301030106 13
- Subwatershed 120301040204 13
- Watershed 1203020103 13
- Watershed 1205000302 13
- Subwatershed 120500030203 13
- Subwatershed 120602020706 13
- Subwatershed 120602040407 13
- Subwatershed 120701020201 13
- Subwatershed 120702040101 13
- Subwatershed 120702050503 13
- Watershed 1208000410 13
- Subwatershed 120800050405 13
- Subwatershed 120800070102 13
- Subbasin 12090110 13
- Watershed 1209020602 13
- Watershed 1210010101 13
- Subwatershed 121002010404 13
- Subwatershed 121002040401 13
- Subwatershed 121003040204 13
- Watershed 1210040201 13
- Subwatershed 121101090101 13
- Watershed 1307000720 13
- Subwatershed 130800020704 13
- Watershed 1309000107 13
- Subbasin 13090002 13
- Watershed 1309000200 13
- Subwatershed 130900020000 13
- Watershed 1109010304 12
- Watershed 1109010606 12
- Watershed 1112010104 12
- Subbasin 11120302 12
- Watershed 1113020703 12
- Subwatershed 111302100504 12
- Watershed 1114030102 12
- Watershed 1114030302 12
- Subwatershed 111403050301 12
- Subwatershed 111403050302 12
- Subwatershed 120100010405 12
- Subwatershed 120100020405 12
- Subwatershed 120100020504 12
- Subwatershed 120200010302 12
- Subwatershed 120200040106 12
- Subwatershed 120200040204 12
- Watershed 1202000403 12
- Watershed 1203010102 12
- Subwatershed 120301040203 12
- Subwatershed 120301060101 12
- Subwatershed 120301060307 12
- Subwatershed 120301070308 12
- Subwatershed 120301090106 12
- Subwatershed 120301090405 12
- Watershed 1203020105 12
All 2,259 watersheds in Texas with 3 or more permits are named on one page at every watershed in Texas.
Other states
Every state carrying three or more current permits, in alphabetical order.
- New Mexico 5,500
- Nevada 311
- New York 11,145
- Ohio 2,882
- Oklahoma 678
- Oregon 1,616
- Pennsylvania 14,586
- Puerto Rico 1,076
- Rhode Island 642
- South Carolina 13,763
- South Dakota 2,151
- Tennessee 12,924
- Utah 17,184
- Virginia 13,137
- U.S. Virgin Islands 65
- Vermont 1,103
- Washington 8,573
- Wisconsin 5,859
- West Virginia 3,734
- Wyoming 1,686
Permits
Major dischargers first. Not every permit in Texas is listed here.
| Permit holder | NPDES ID | City | Program | Discharger | Receiving water |
|---|---|---|---|---|---|
| 40 ACRE FACILITY | TX0057843 | GALVESTON COUNTY | Publicly owned treatment works | Major | HURRICANE LEVEE CANAL;TEXAS CITY SHIP CHANNEL |
| 69TH ST WWTP | TX0096172 | HOUSTON | Publicly owned treatment works | Major | Buffalo Bayou |
| AIRPORT WWTP | TX0027791 | GALVESTON | Publicly owned treatment works | Major | TIDAL CANAL THAT CTX TO MADELINE LK TO OFFATT BAYO |
| AJ BROWN PARKER CREEK WWTF | TX0072974 | HUNTSVILLE | Publicly owned treatment works | Major | Lake Livingston |
| ALBEMARLE PASADENA PLANT | TX0004731 | PASADENA | Major | HOUSTON SHIP CHANNEL TIDAL | |
| ALCOA POINT COMFORT OPERATIONS | TX0004715 | POINT COMFORT | Major | LAVACA BAY | |
| ALCOA-ROCKDALE OPERATIONS | TX0000876 | ROCKDALE | Major | UNNAMED TRIB;EAST YEGUA CREEK | |
| ALLISON WWTP | TX0047082 | CORPUS CHRISTI | Publicly owned treatment works | Major | NUECES RIVER |
| ALMEDA SIMS WWTP | TX0034924 | HOUSTON | Publicly owned treatment works | Major | SIMS BAY |
| ALVIN 2900 ACRE TRACT WWTP | TX0143162 | ALVIN | Major | Bastrop Bayou Tidal | |
| AMERICAN CHROME & CHEMICALS | TX0004685 | CORPUS CHRISTI | Major | CORPUS CHRISTI INNER HARBOR | |
| ANDERSON MILL MUD WWTP | TX0034207 | AUSTIN | Publicly owned treatment works | Major | SEG NO 1244 BRAZOS RIVER BASIN |
| ANGLETON WWTP | TX0056316 | ANGLETON | Publicly owned treatment works | Major | UNNAMED DRAINAGE DITCH;OYSTER CK ABOVE TIDAL |
| ARANSAS PASS WWTP | TX0025682 | ARANSAS PASS | Publicly owned treatment works | Major | REDFISH BAY;EFFLUENT DISCHARGE HABITAT |
| ARKEMA HOUSTON CHEMICAL PLANT | TX0007064 | HOUSTON | Major | GREENS BAYOU;HOUSTON SHIP CHANNEL | |
| ARLANXEO ORANGE SITE | TX0003654 | ORANGE | Major | COW BAYOU TIDAL | |
| ARROYO AQUACULTURE WWTF | TX0103811 | CAMERON COUNTY | Major | Laguna Atascosa | |
| ASCEND PERFORMANCE MATERIALS CHOCOLATE BAYOU PLANT | TX0003875 | ALVIN | Major | CHOCOLATE BAYOU TIDAL, NEW BAYOU | |
| ASH CREEK WWTP | TX0023116 | AZLE | Publicly owned treatment works | Major | 10 PIPE TO REYNOLDS BRANCH, ASH CR |
| ASHLAND WWTP | TX0143022 | ANGLETON | Major | Oyster Creek Bayou Tidal | |
| ATASCOCITA REGIONAL WWTP | TX0058963 | HOUSTON | Publicly owned treatment works | Major | WILLIAMS GULLY, GARNERS BAYOU, GREE |
| ATASCOSA RIVER WWTF | TX0022594 | PLEASANTON | Publicly owned treatment works | Major | VIA 18 IN PIPE TO LOWER ATASCOSA RV |
| ATHENS WEST WWTP | TX0025364 | ATHENS | Publicly owned treatment works | Major | MAN-MADE DITCH, WALNUT CREEK, CEDAR |
| AUDUBON WWTP | TX0143821 | MAGNOLIA | Publicly owned treatment works | Major | Spring Creek |
| BACLIFF MUD CENTRAL WWTP | TX0021369 | BACLIFF | Publicly owned treatment works | Major | DIRECTLY UPPER GALVESTON BAY |
| BAMMEL UTILITY DISTRICT WWTP | TX0046639 | HOUSTON | Publicly owned treatment works | Major | CYPRESS CREEK |
| BARNEY DAVIS ENERGY CENTER | TX0008826 | CORPUS CHRISTI | Major | OSO CREEK;OSO BAY | |
| BARRY ROSE WWTP | TX0032735 | PEARLAND | Publicly owned treatment works | Major | Clear Creek Above Tidal |
| BASF FREEPORT SITE | TX0008788 | FREEPORT | Major | DOW PLANT B CANAL, BRAZOS RIVER | |
| BASTROP ENERGY CENTER | TX0121762 | CEDAR CREEK | Major | COLORADO RIVER BELOW LADY BIRD LAKE | |
| BATTLEGROUND CHLOR ALKALI PLANT | TX0008150 | LA PORTE | Major | SEG 1005 SAN JACINTO RIVER BASIN | |
| BAYER BAYTOWN PLANT | TX0002798 | CHAMBERS COUNTY | Major | CEDAR BAYOU TIDAL;TRINITY-SAN JACINTO COASTAL BASI | |
| BAYPORT FACILITY | TX0005380 | PASADENA | Publicly owned treatment works | Major | BAYPORT CHANNEL |
| BEAR CREEK WWTP | TX0140228 | ALEDO | Major | Benbrook Lake | |
| BEAUMONT CHEMICAL PLANT | TX0005061 | BEAUMONT | Major | KIDD GULLY;BAYOU DIN;HILLEBRAND BAYOU | |
| BEAUMONT MS4 | TXS000501 | BEAUMONT | Large municipal storm sewer systems | Major | |
| BEAUMONT POLYETHYLENE PLANT | TX0068934 | BEAUMONT | Major | UNNAMED DITCH,WILLOW MARSH BAYOU | |
| BEECHNUT MUD | TX0084425 | HOUSTON | Publicly owned treatment works | Major | HCFCDD D122-00-00, BRAYS BAYOU ABOV |
| BELL COUNTY WCID 1 WWTP 1 | TX0024597 | KILLEEN | Publicly owned treatment works | Major | NOLAN CK/SO NOLAN CK |
| BELL COUNTY WCID 1 WWTP 2 | TX0102938 | KILLEEN | Publicly owned treatment works | Major | NOLAN CREEK/S NOLAN CREEK |
What this page shows
This page covers Clean Water Act discharge permits in the EPA NPDES register for TX. It lists 39,714 permits, including 764 majors and 4,547 individuals.