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Discharge permits in Oklahoma
427 active individual NPDES permits with limits in EPA's file of Oct 22, 2026.
By industry
Sewage treatment plants (266)
- Achille PWA OK0027979
- Ada, City of OK0026115 · major
- Adair, Town of OK0027197
- Afton PWA OK0020656
- Allen, Town of OK0020206
- Altus, City of SE WDS OK0028037 · major
- Altus, City of(SW WDS) OK0028045
- American Water Enterprises, Inc OK0030295 · major
- Anadarko PWA OK0028151
- Antlers PWA OK0020346
- Ardmore, City of OK0038440 · major
- Ardmore, City of (Ind Air Park) OK0030422
- Asher, Town of OK0027154
- Atoka, City of OK0028576
- Barnsdall, City of OK0027308
- Bartlesville, City of (Plant #1) OK0030333 · major
- Beggs, City of OK0028177
- Bethany Warr Acres PWA -Bluff OK0026077 · major
- Big Cabin PWA OK0031577
- Bixby PWA-South OK0026913 · major
- Blackwell, City of OK0031909 · major
- Blanchard Municipal Improvement Authority OK0100935
- Bluejacket PWA OK0031771
- Bokchito, Town of OK0027014
- Bokoshe PWA OK0027731
- Boswell, Town of OK0032255
- Boynton PWA OK0034347
- Braggs PWA OK0034444
- Bridge Creek Public School OK0038458
- Bristow, City of OK0032549
- Broken Arrow, City of OK0040053 · major
- Broken Bow PWA OK0021521 · major
- Calera PWA OK0031682
- Calvin PWA OK0037818
- Canadian PWA OK0035297
- Carnegie PWA OK0028401
- Carney PUA OK0028321
- Cement PWA OK0027766
- Chandler Municipal Authority OK0027120
- Checotah PWA OK0028100
- Chickasaw Tribal Utilities Authority-Winstar WWT OK0045721
- Chickasha Municipal Authority OK0026018 · major
- Choctaw Co. RW & SD #1-Grant OK0037826
- Choctaw UA OK0037834
- Chouteau PWA OK0022764
- City of Cherokee OK0020052
- City of New Cordell OK0032379
- Claremore, City of OK0027049 · major
- Clayton PWA OK0029157
- Cleveland, City of (South) OK0028347
- Clinton PWA OK0031011 · major
- Collinsville, City of OK0027375
- Commerce, City of OK0020320
- Coves Master Association, Inc., The OK0037869
- Coweta PWA OK0020281 · major
- Crowder PWA OK0035301
- Cushing Municipal Authority OK0026701 · major
- Cyril, Town of OK0041467
- Davenport Utility Authority OK0100846
- Davis, City of OK0021644
- Del City MSA OK0026085 · major
- Delaware, City of OK0020796
- Depew, Town of OK0021890
- Devol, Town of OK0022578
- Dewar PWA OK0027537
- Dewey PWA OK0022551
- Dick Conner Correctional Center OK0037982
- Drumright Utilities Trust OK0022501
- Duncan PWA OK0026638 · major
- Durant City Utilities Auth OK0039063 · major
- Dustin PWA OK0029050
- Earlsboro PWA OK0030244
- Edmond, City of-Coffee Creek OK0026026 · major
- El Reno Municipal Authority OK0100382 · major
- Elgin Public Works Authority OK0100901
- Elk City, City of OK0029084 · major
- Enid, City of OK0021628 · major
- Erick, City of OK0020745
- Eufaula PWA OK0035611
- Fairfax PWA OK0029017
- Fairland PWA OK0021504
- Fairview, City of OK0020079
- Falls Creek Baptist Conference Center OK0038016
- Fort Gibson Utilities Authority OK0021938 · major
- Francis PWA OK0036064
- Frederick, City of (Industrial Park) OK0027189
- Garber, City of OK0028932
- Garrett Investment Company LLC OK0039136
- Glencoe, Town of OK0028517
- Glenpool Utility Service Authority OK0027138 · major
- Gore, Town of OK0033987
- Green Country Sewer Company OK0034754
- Grove Municipal Service Authority OK0028886
- Guthrie PWA OK0027715 · major
- Guymon, City of -WWTF OK0045713 · major
- Haileyville Public Works Authority OK0028843
- Harbors Area Association OK0037770
- Harrah PWA OK0038482
- Hartshorne, City of OK0022861
- Haskell PWA OK0032271
- Healdton, City of OK0027413
- Heavener UA-Industrial Park OK0038849 · major
- Heavener Utilities Authority OK0038407
- Henryetta Municipal Authority OK0028266 · major
- Hobart PWA OK0028649
- Holdenville PWA OK0028428
- Hominy, City of OK0027618
- Hugo Municipal Authority OK0028487 · major
- Hulbert PWA OK0032328
- Hydro, Town of OK0028185
- Idabel PWA OK0027677 · major
- Indian Nations Council-Boy Scouts of America OK0045764
- Inola PWA OK0033618
- Inola PWA OK1000039
- Jay Utilities Authority OK0031976 · major
- Jenks PWA OK0037401 · major
- John Lilley Correctional Center OK0044971
- Jones PWA OK0030996
- Kickapoo WWTP OK0044733
- Kaw City, Town of OK0028878
- Keota PWA OK0031186
- Keystone Manor WWTF OK0036081
- Kiefer PWA OK0028771
- Kingfisher PWA OK0022811
- Kingston, Town of OK0027774
- Konawa, City of OK0021873
- Krebs Utility Authority OK0030686
- Langely PWA OK0039128
- Langston PWA OK0027511
- Lawton, City of-Lawton STP OK0035246 · major
- Lexington PWA OK0022756
- Locust Grove PWA OK0022772
- Lone Elm MHP OK0037664
- Lone Grove -East OK0034266
- Madill PWA OK0031721
- Mangum Utility Authority OK1000004
- Mannford PWA-East OK0024449
- Mannford PWA-Main WWTP OK0022802
- Marietta, City of OK0020257
- Marshall Co RWSD # 1 OK0100927
- Maud, City of OK0029181
- McAlester City of (West Plant) OK0026093 · major
- McAlester WWTF-East Plant OK0026107 · major
- McCurtain Municipal Authority OK0045047
- McLoud PWA OK0029009
- Meeker, Town of OK0026883
- Miami WWTF-SE Plant OK0031798 · major
- Midwest City, City of (Northside) OK0026841 · major
- Millerton PWA OK0037028
- Minco WWT OK0100731
- Moore, City of OK0027391 · major
- Morris, City of (NW Facility) OK0028924
- Mounds WTF OK0022888
- Muldrow Utility Authority OK0032573
- Muskogee Utilities Authority OK0029131 · major
- Mustang Improvement Authority OK0026816 · major
- Newcastle PWA OK0028614 · major
- Newkirk WTF OK0045951
- Noble UA (North) OK0031755
- Norman WWTF OK0029190 · major
- Nowata, City of OK0025470
- OK City Water Utilities Trust-Chisholm OK0027553 · major
- OK City Water Utilities Trust-Deer Ck OK0027561 · major
- OK City, City of-North Canadian OK0036978 · major
- OK City, City of-South Canadian OK0038385 · major
- Oakland PWA OK0031933
- Ochelata Utility Authority OK0034517
- Oilton PWA OK0035599
- Okemah Utilities Authority OK0020737
- Okfuskee County RWD 1 - Boley OK0028622
- Oklahoma Department of Corrections OK0022951
- Okmulgee, City of OK0028134 · major
- Oologah PWA OK0034223
- Ottawa Co RWD#1 -Wyandotte OK0028291
- Owasso PWA OK0020303 · major
- Panama PWA OK0031054
- Pauls Valley MA OK0039071
- Pawhuska, City of OK0028274
- Pawnee, City of OK0026654
- Pensacola PWA OK0040410
- Perkins, City of OK0028801
- Perry, City of - WTF OK0027448
- Pittsburg Co RWD #20 OK0100625
- Pittsburg PWA OK0027782
- Pocola Municipal Authority OK0034134
- Point View at Grand Point OK0034835
- Ponca City, City of OK0026069 · major
- Porter PWA OK0027570
- Porum PWA OK0021636
- Poteau, City of OK0021610 · major
- Prague, City of OK0027740
- Pryor Creek, City of OK0040479 · major
- Purcell, City of OK0028533
- Quapaw PWA OK0028258
- RMUA-Haikey Creek OK0034363 · major
- Ralston, City of OK0020761
- Red Oak PWA OK0031631
- Rogers Co. RSD #1 OK0038032
- Roland, Town of OK0030392
- Salina PWA OK0020338
- Sallisaw, City of OK0028169 · major
- Sand Springs, City of (Main Plant) OK0030864 · major
- Sapulpa, City of OK0043974 · major
- Seminole Co. RW & SWMD #3 OK0026972
- Seminole, City of WWTF OK0022870 · major
- Seneca, City of (Missouri) OK0030236
- Seneca-Cayuga Tribe OK0039098
- Shawnee Municipal Authority-North OK0037893 · major
- Shidler, City of OK0022993
- Skiatook, Town of (West) OK0040461 · major
- Soper PWA OK0044563
- South Coffeyville PWA OK0020117
- Spencer, City of OK0022535
- Sperry Utility Services Authority OK0033464
- Spinnaker Point HOA OK0021458
- Spiro Municipal Improvement Authority OK0027693
- Stigler MIA OK0020711
- Stillwater, City of OK0027057 · major
- Stilwell Area Development Authority OK0030341 · major
- Stoney Resort OK0037842
- Stratford PWA OK0021865
- Stringtown PWA OK0030449
- Stroud Utilities Authority-North OK0027367
- Stroud Utilities Authority-South Plant OK0027359
- Sulphur Municipal Authority OK0020141 · major
- Tmua OK0026239 · major
- Tahlequah PWA OK0026964 · major
- Talihina PWA OK0028380
- Tecumseh, City of OK0020788
- Temple, Town of OK0032514
- Thomas PWA OK0038971
- Thomas Park, LLC OK0042684
- Tishomingo, City of OK0031992
- Tonkawa, City of OK0021903
- Town of Haworth OK0100650
- Town of Quinton OK0030694
- Trails End MHP OK0037494
- Tulsa MUA - Northside OK0026221 · major
- Tulsa MUA-Lower Bird Creek OK0042935 · major
- Tuttle PWA OK0100889
- Union City Municipal Authority OK0038393
- Valley Brook,Town of OK0032239
- Vian PWA OK0021512
- Vinita, City of OK0037788 · major
- Wagoner Co. RWSG and SWMD 4 OK0043257
- Wagoner PWA OK0026832 · major
- Walters, City of OK0020770
- Wapanucka PWA OK0034011
- Warner Utilities Authority OK0031003
- Watonga, City of OK0021911
- Weatherford PWA OK0021563 · major
- Webbers Falls, City of OK0034631
- Weleetka PWA OK0028525
- Wellston PWA OK0032476
- Westville Utility Authority OK0028126
- Wetumka North WWTF OK0032425
- Wetumka South WWTF OK0032417
- Wewoka, City of OK0022659
- Wilburton PWA OK0021881
- Wister, City of OK0034118
- Woodward, City of OK0034509 · major
- Wright City, Town of (PWA) OK0032387
- Wynnewood Utilities Authority OK0028282
- Wynona Municipal Authority OK0031585
- Yale Water & Sewage Trust WWTF OK0028509
- Yukon, City of OK0028584 · major
Industrial and other (161)
- 3M Technical Ceramics OK0040142 · Industrial Inorganic Chemicals
- 530 Road, LLC OK0100757 · Motors And Generators
- ADM Grain-Elevator Z OK0043371 · Grain And Field Beans
- AECI - Chouteau Power Plant OK0043907 · major · Electric Services
- APAC Central, Inc.- Dewey Quarry OK0100331 · Crushed And Broken Limestone
- APAC-Central, Inc.-J-6 Quarry OK0042757 · Crushed And Broken Limestone
- APAC-Central, Inc.-Pawhuska Quarry OK0045543 · Crushed And Broken Limestone
- APAC-Central, Inc.-Roberts Quarry & Asphalt OK0045471 · Crushed And Broken Stone
- APAC-Central, Inc.-Tulsa Quarry OK0043001 · Crushed And Broken Limestone
- Acme Brick Co-OKC Plant OK0038253 · Brick And Structural Clay Tile
- Acme Brick Co.- Holland Clay Mine OK0043401 · Clay And Related Minerals
- Air Products & Chemicals Inc OK0045934 · Nitrogenous Fertilizers
- American Gypsum Co-West Perry Quarry OK0043290 · Miscellaneous Nonmetallic Minerals
- Amrize Cement Inc. OK0001180 · Cement, Hydraulic
- Amrize South Central Inc. OK0040762 · Crushed And Broken Limestone
- Anadarko WTP OK0038326 · Water Supply
- Ardagh Glass Inc. OK0044474 · Glass Containers
- Associated Electric Coop.-Ripley Energy Center OK1000128 · Electric Services
- BFI Waste Systems- Canadian Valley Landfill OK0100773 · Refuse Systems
- Blackwell Zinc Company, Inc. OK0044962 · Sanitary Services
- CP Kelco US, Inc.-Okmulgee OK0044504 · major · Food Preparations
- Cargill Inc.-Salt Division OK0040240 · Chemical Preparations
- Central Plains Cement Co OK0040789 · Cement, Hydraulic
- Checotah PWA OK0045659 · Water Supply
- Chemtrade Refinery Services Inc. OK0036439 · Industrial Inorganic Chemicals
- Cherokee Co. RWD #11 OK1000012 · Water Supply
- Cherokee Co. RWD 3 OK0044431 · Water Supply
- Cherokee Utilities Authority OK0045055 · Water Supply
- Choctaw Nation of Oklahoma OK0046087
- City of Cleveland OK0100315 · Water Supply
- City of Collinsville OK0100404 · Water Supply
- City of Muskogee OK0045705 · Water Supply
- City of Skiatook OK0045870 · Water Supply
- Claremore, City of-WTP OK0038466 · Water Supply
- Clean Harbors Lone Mountain OK0044423 · Refuse Systems
- Covia Solutions LLC OK0040291 · Industrial Sand
- Coweta WTP OK0045845 · Water Supply
- D & L Manufacturing, Inc. OK0045373 · Oil And Gas Field Machinery
- DCP Midstream, LP Okarche Gas Plant OK0036994 · Natural Gas Liquids
- Drumright Utility Trust Authority OK0038318 · Water Supply
- EJ USA, Inc-Ardmore OK0044288 · Gray And Ductile Iron Foundries
- Eastman Kodak Company - Miraclon Corporation OK0041785 · Photographic Equipment And Supplies
- Foss Reservoir M.C.D. OK0041491 · major · Water Supply
- GRDA-Chouteau OK0035149 · major · Electric Services
- Georgia-Pacific Muskogee LLC OK0034321 · major · Paper Mills
- Goodyear Tire & Rubber Co. OK0043389 · Tires And Inner Tubes
- Gore WTP OK0100781 · Water Supply
- Grand River Dam Auth -Salina OK0041327 · Electric Services
- Grand River Dam Auth-Kerr Dam OK0041319 · Electric Services
- Grand River Dam Auth-Pensacola OK0041289 · Electric Services
- Green Leaf State Park OK0044253 · Water Supply
- Greenfield Environmental Multistate Trust LLC-Cushing OK0043320 · Sanitary Services
- Greenfield Environmental Multistate Trust LLC-Skull Ck OK0044598 · Sanitary Services
- Grove Municipal Services Authority OK0045071 · Water Supply
- HF Sinclair Tulsa Refining, LLC OK0001309 · major · Petroleum Refining
- Halliburton Energy Services, Inc. OK0100498 · Sanitary Services
- Henryetta, City of OK0002551 · Water Supply
- Holdenville PWA OK0045918 · Water Supply
- HollyFrontier Tulsa Refining LLC (West) OK0000876 · major · Petroleum Refining
- Hulbert PWA OK0100391 · Water Supply
- International Paper Co. - Valliant OK0000744 · major · Paperboard Mills
- Interplastic Corporation OK0044466 · Plastics Materials And Resins
- JM Manufacturing OK0001244 · Plastics Pipe
- Kansas City Southern Railway OK0040631 · Railroads, Line-Haul Operating
- Kimberly-Clark Corp.-Jenks Mill OK0040827 · major · Sanitary Paper Products
- Kiowa Power Partners (KPP)-KIA OK0044083 · major · Electric Services
- Kiowa WTP OK0100366 · Water Supply
- Koch Fertilizer Enid, LLC OK0021024 · major · Nitrogenous Fertilizers
- Lawton , City of WTP OK0002755 · Water Supply
- Lindsay, City of OK0040576 · Water Supply
- Longtown RWSD 1 OK0100765 · Water Supply
- Love's Country Stores #201-Elk OK0038822 · Gasoline Service Stations
- Love's Travel Stop #219 OK1000101 · Gasoline Service Stations
- Love's Travel Stop No. 675 OK0100536 · Gasoline Service Stations
- Loves Country Store 260 -North OK0042889 · Gasoline Service Stations
- Mack Alford Correctional Center OK0044113 · Water Supply
- Mayes Co RWD #9 OK0046086 · Water Supply
- McAlester PWA-WTP OK0046043 · Water Supply
- McIntosh County RWD #8 OK0045977 · Water Supply
- Meridian Aggregates Co, Inc.-Snyder Quarry OK0100471 · Crushed And Broken Granite
- Mill Creek Dolomite, LLC OK0041254 · Crushed And Broken Limestone
- Mixon Brother Wood Preserving, Inc OK0044458 · Wood Preserving
- Muskogee Co. RWD # 3 OK0045535 · Water Supply
- Myall, LLC OK0100439 · Data Processing And Preparation
- Nucera Solutions LLC OK0000841 · Industrial Organic Chemicals
- OG&E -Sooner Generating Station OK0035068 · major · Electric Services
- OG&E River Valley Generating Station OK0040169 · Electric Services
- OG&E-Horseshoe # 9 &10 OK0043966 · Electric Services
- OG&E-Horseshoe Lake OK0000442 · major · Electric Services
- OG&E-McClain Generating Station OK0045250 · major · Electric Services
- OG&E-Muskogee 4, 5, & 6 OK0034657 · major · Electric Services
- OG&E-Mustang OK0000477 · Electric Services
- OG&E-Seminole Generating Station OK0000451 · major · Electric Services
- OK Ordnance Works Auth/ TSC OK0034568 · major · Soybean Oil Mills
- ONEOK Field Services Company LLC OK0000124 · Natural Gas Liquids
- Oklahoma State University OK0044512 · Water Supply
- Okmulgee WTP OK0045888 · Water Supply
- OneOK Hydrocarbon, LP-Medford OK0045306 · Natural Gas Liquids
- Oneta Power, LLC OK0044181 · major · Electric Services
- Otoe-Missouria Tribe of Indians OK0100617 · Water Supply
- Owens-Brockway Glass Container OK0043451 · Glass Containers
- Paradise Beach Waterpark, LLC OK0042447 · Amusement And Recreation
- Pawnee, City of -WTP OK0002534 · Water Supply
- Phillips 66 Company-Ponca City Refinery OK0000256 · major · Petroleum Refining
- Pilot Company - Flying J #702 OK0042994 · Gasoline Service Stations
- Pittsburg Co. PWA OK0000019 · Water Supply
- Porum WTP OK0045837 · Water Supply
- Poteau Valley Improvement Authority-WTP OK0046078 · Water Supply
- Pryor Industrial Conservation OK0000272 · Paperboard Mills
- Pryor Sand & Redimix, Inc. OK0045446 · Ready-Mixed Concrete
- Public Service CO-Southwestern OK0000094 · major · Electric Services
- Public Service Co-Riverside OK0002429 · major · Electric Services
- Public Service Co. of Oklahoma - NE Station OK0034380 · major · Electric Services
- Public Service Co.- Tulsa Power OK0000108 · Electric Services
- Public Service Co.-Comanche OK0002682 · major · Electric Services
- Public Service Company of Oklahoma OK0043869 · major · Electric Services
- Pushmataha Co RWD 3 OK0045616 · Water Supply
- Quartz Mountain Regional Water Authority OK0044202 · Water Supply
- Red Oak Public Works Authority OK1000021 · Water Supply
- Redi-Mix, LLC-Thackerville OK0100285 · Construction Sand And Gravel
- Reworld Tulsa, LLC OK0044156 · Refuse Systems
- Riversport Rapids OK0100579 · Amusement And Recreation
- Rogers Co. RWD 3-Tacora WTP OK0045349 · Water Supply
- Rogers Co. RWD# 4-Oologah OK0045357 · Water Supply
- Roland Utility Authority OK0045331 · Water Supply
- Sofidel America Corp HQ OK0100676 · Paper Mills
- Schlumberger - Kellyville OK0040622 · Oil And Gas Field Services
- Sequoyah Co Water Association OK0046060 · Water Supply
- Sequoyah Fuels Corporation OK0000191 · Industrial Inorganic Chemicals
- Shawnee Municipal Authority-WTP OK0046051 · Water Supply
- Spirit Aerosystems, Inc. OK0001554 · Aircraft Parts And Equipment
- Sterling Specialty Chemicals, LLC OK0000388 · Chemical Preparations
- Tall Oak Woodford, LLC OK0100790 · Natural Gas Liquids
- Targa Pipeline Mid-Continent, LLC OK0000931 · Natural Gas Liquids
- Terra International (Oklahoma) -Woodward OK0036161 · major · Nitrogenous Fertilizers
- Terra Nitrogen, L.P.- Verdigris OK0029149 · major · Nitrogenous Fertilizers
- Tulsa MUA- Mohawk WTP OK0026166 · Water Supply
- Tulsa MUA-A.B. Jewell WTP OK0040517 · Water Supply
- Tulsa Tube Bending OK0046001 · Fabricated Pipe And Fittings
- Tyson Poultry, Inc.- Broken Bow OK0000795 · major · Poultry Slaughtering And Processing
- US FAA Mike Monroney Aero. Center OK0043931 · Commercial Physical Research
- US Lime Company-Saint Clair OK0034401 · Crushed And Broken Limestone
- US Silica Co. - Mill Creek Plant OK0035521 · Industrial Sand
- USA-McAlester Army Ammunition OK0000523 · major · National Security
- Umicore Optical Materials USA, Inc OKP003097 · Optical Instruments And Lenses
- United States Gypsum Co. OK0038806 · Gypsum Products
- Valero Refining Company OK0001295 · major · Petroleum Refining
- Vicinity Energy Oklahoma City, Inc. OK0002453 · Steam And Air-Conditioning Supply
- Vicinity Energy Tulsa, Inc. OK0002461 · Steam And Air-Conditioning Supply
- WEBCO Industries, SW Tube Division OK0034193 · Steel Pipe And Tubes
- Wagoner PWA OK0046035 · Water Supply
- Washington Co RWD 3 WTP OK0045772 · Water Supply
- Western Farmers Electric Co-Anadarko OK0000639 · major · Electric Services
- Western Farmers Electric Co.-Hugo Plant OK0035327 · Electric Services
- Western Farmers Electric Co.-Mooreland OK0000647 · Electric Services
- Wewoka WTP OK0045861 · Water Supply
- Weyerhaeuser Company OK0043885 · Sawmills And Planing Mills, General
- Wilburton PWA OK0100358 · Water Supply
- Wynnewood Refining Co. OK0000825 · major · Petroleum Refining
- Wynnewood Refining Co. -PLF Remediation Site OK0100544 · Petroleum Refining
- Yaffee Iron and Metal Co., Inc. OK0041874 · Scrap And Waste Materials
Source: EPA ECHO, Oct 22, 2026. As JSON: /api/v1/permits?state=OK · MCP: https://passage-data.com/mcp · All states