EPA Air · stack tests by state and year
Air-emissions stack tests in Oklahoma, 2025
- 1,229Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Oklahoma during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Oklahoma, 2025
- Kingfisher County 231
- Canadian County 167
- Grady County 132
- Blaine County 67
- Stephens County 62
- Pittsburg County 48
- Woods County 46
- Garfield County 42
- Garvin County 41
- Alfalfa County 41
- Hughes County 37
- Carter County 34
- Coal County 33
- Beckham County 24
- Oklahoma County 23
- Dewey County 23
- Roger Mills County 21
- Custer County 20
- Major County 15
- Woodward County 15
- McClain County 11
- Marshall County 10
- Washita County 10
- McIntosh County 8
- Latimer County 7
- Ellis County 7
- Logan County 7
- Creek County 6
- Bryan County 5
- Lincoln County 4
- Tulsa County 3
- Mayes County 3
- Texas County 3
Oklahoma, other years
Air-emissions stack tests recorded in Oklahoma, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-04-28 | DCP OPERATING CO LP / LINDSAY BRADLEY COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2025-04-28 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-28 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-28 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-28 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-28 | FW MIDCON I LLC / VELTA JUNE 4H 34LM 5H 34UM 6H 34LM | OMEGA, Kingfisher, OK | Pass | State |
| 2025-04-25 | SANTA FE OPERATING LLC / PINEHOLLOW FACILITY — high-priority violation on file | STUART, Pittsburg, OK | Pass | State |
| 2025-04-24 | BCE MACH LLC / ORVEL 6 27 11 1H AND RUTH KNOPF 7 27 1 | BURLINGTON, Alfalfa, OK | Pass | State |
| 2025-04-24 | BCE MACH LLC / DON STEIN 12 26 11 1H AND PACKARD 13 2 | CHEROKEE, Alfalfa, OK | Pass | State |
| 2025-04-24 | BCE MACH LLC / COPPOCK 36 27 11 1H STATION | CHEROKEE, Alfalfa, OK | Pass | State |
| 2025-04-24 | BCE MACH LLC / TRAVELLER 6 26 12 1H PAD | ALVA, Alfalfa, OK | Pass | State |
| 2025-04-24 | BCE MACH LLC / GRAY 7 27 12 PAD | ALVA, Alfalfa, OK | Pass | State |
| 2025-04-24 | ENLINK MIDSTREAM SERVICES LLC / RUBY COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-04-24 | ENLINK MIDSTREAM SERVICES LLC / RUBY COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-04-24 | SANTA FE OPERATING LLC / PINEHOLLOW FACILITY — high-priority violation on file | STUART, Pittsburg, OK | Pass | State |
| 2025-04-24 | SANTA FE OPERATING LLC / PINEHOLLOW FACILITY — high-priority violation on file | STUART, Pittsburg, OK | Pass | State |
| 2025-04-24 | BCE MACH LLC / SERENITY 1 3H MCCRACKEN 3 28 15 1H ST | ALVA, Woods, OK | Pass | State |
| 2025-04-23 | BCE MACH LLC / PORTER 13 25 12 STA | CARMEN, Alfalfa, OK | Pass | State |
| 2025-04-23 | BCE MACH LLC / SUNNY 23 25 11 1H STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2025-04-23 | ENLINK MIDSTREAM SERVICES LLC / CANA GAS PLANT | EL RENO, Canadian, OK | Pass | State |
| 2025-04-23 | ENLINK MIDSTREAM SERVICES LLC / CANA GAS PLANT | EL RENO, Canadian, OK | Pass | State |
| 2025-04-23 | ENLINK MIDSTREAM SERVICES LLC / CANA GAS PLANT | EL RENO, Canadian, OK | Pass | State |
| 2025-04-23 | HOWARD ENERGY PARTNERS / CALUMET COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2025-04-23 | HOWARD ENERGY PARTNERS / CALUMET COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2025-04-23 | CONTINENTAL RESOURCES / MADISON 1 31 30XHW COLUMBUS 1 36 25XHW | POOLEVILLE, Carter, OK | Pass | State |
| 2025-04-23 | MARKWEST OKLAHOMA GAS CO LLC / HELEN MEIER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-23 | BCE MACH III LLC / LSEOU 18 1HO 19 4HO 24 4HO 25 4HO PAD | DOVER, Kingfisher, OK | Pass | State |
| 2025-04-23 | MARKWEST OKLAHOMA GAS CO LLC / KAPPA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-23 | DEVON ENERGY PRODUCTION CO LP / CHICKEN YARD 29 PAD 2 | OKARCHE, Kingfisher, OK | Pass | State |
| 2025-04-23 | CONTINENTAL RESOURCES / CONNELL 4 13 12 1XHS | LOCO, Stephens, OK | Pass | State |
| 2025-04-23 | BCE MACH LLC / BEEFALO 9 27 14 STATION | ALVA, Woods, OK | Pass | State |
| 2025-04-22 | BCE MACH LLC / TOM 16 27 12 STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2025-04-22 | MARKWEST OKLAHOMA GAS CO LLC / BUFFALO CREEK PROCESSING PLANT — high-priority violation on file | SAYRE, Beckham, OK | Pass | State |
| 2025-04-22 | MARKWEST OKLAHOMA GAS CO LLC / BUFFALO CREEK PROCESSING PLANT — high-priority violation on file | SAYRE, Beckham, OK | Pass | State |
| 2025-04-22 | COTERRA ENERGY OPERATING CO / SHELLY 8 9 3106X FACILITY | COGAR, Canadian, OK | Pass | State |
| 2025-04-22 | HOWARD ENERGY PARTNERS / TATUMS COMPRESSOR STATION | TATUMS, Garvin, OK | Pass | State |
| 2025-04-22 | HOWARD ENERGY PARTNERS / TATUMS COMPRESSOR STATION | TATUMS, Garvin, OK | Pass | State |
| 2025-04-22 | BCE MACH III LLC / BOLLENBACH 1705 2 21MH 3 21 MH 5 21MH | CRESCENT, Kingfisher, OK | Pass | State |
| 2025-04-22 | BCE MACH III LLC / LSEOU 49 5LO LSEOU 49 4HO LSEOU 49 3HO | CRESCENT, Kingfisher, OK | Pass | State |
| 2025-04-22 | BCE MACH III LLC / LSEOU 41 2HO LSEOU 47 2HO LSEOU 47 3 | DOVER, Kingfisher, OK | Pass | State |
| 2025-04-22 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-04-22 | BCE MACH LLC / SUMMIT 3 27 15 1H STA | ALVA, Woods, OK | Pass | State |
| 2025-04-22 | BCE MACH LLC / MWK FARMS 13 27 13 2H PAD | ALVA, Woods, OK | Pass | State |
| 2025-04-21 | HOWARD ENERGY PARTNERS / BENNINGTON COMPRESSOR STATION | BENNINGTON, Bryan, OK | Pass | State |
| 2025-04-21 | HOWARD ENERGY PARTNERS / BENNINGTON COMPRESSOR STATION | BENNINGTON, Bryan, OK | Pass | State |
| 2025-04-21 | BCE MACH III LLC / FOSTER 1706 5 24MH LSEOU 43 3HO LSEOU | DOVER, Kingfisher, OK | Pass | State |
| 2025-04-21 | BCE MACH III LLC / INGLE 28 18 6 4HO PAD | DOVER, Kingfisher, OK | Pass | State |
| 2025-04-21 | BCE MACH III LLC / LSEOU 13 2HO LSEOU 14 4HO LSEOU 29 4HO | CRESCENT, Kingfisher, OK | Pass | State |
| 2025-04-21 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-04-21 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-04-21 | BCE MACH LLC / HODGSON 24 28 18 1H AND SETH 24 28 18 | FREEDOM, Woods, OK | Pass | State |
| 2025-04-21 | BCE MACH LLC / BUSH 3 28 17 1H PAD | FREEDOM, Woods, OK | Pass | State |
| 2025-04-18 | DEVON ENERGY PRODUCTION CO LP / WHISKEY JACK 23 PAD 3 | OKARCHE, Kingfisher, OK | Pass | State |
| 2025-04-17 | DEVON ENERGY PRODUCTION CO LP / MILLER MILLER 2 PAD 1 | CALUMET, Canadian, OK | Pass | State |
| 2025-04-17 | DEVON ENERGY PRODUCTION CO LP / MILLER 1 2 1 35H | CALUMET, Canadian, OK | Pass | State |
| 2025-04-17 | DEVON ENERGY PRODUCTION CO LP / MALLARD PAD 1 | BUTLER, Custer, OK | Pass | State |
| 2025-04-17 | DCP OPERATING CO LP / STAR BOOSTER STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-04-17 | BCE MACH III LLC / BENDA 3 16 6 1 2 5 7HO PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-17 | BCE MACH III LLC / THEMER 32 18 6 3HO 32 18 6 4HO PAD | DOVER, Kingfisher, OK | Pass | State |
| 2025-04-17 | DCP OPERATING CO LP / RATTLESNAKE BOOSTER STATION | ORIENTA, Major, OK | Pass | State |
| 2025-04-17 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-04-17 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-04-16 | DEVON ENERGY PRODUCTION CO LP / EVERETT 12 1 PAD 2 | GREENFIELD, Blaine, OK | Pass | State |
| 2025-04-16 | DEVON ENERGY PRODUCTION CO LP / CENTAUR 7 6 PAD 1 | GREENFIELD, Blaine, OK | Pass | State |
| 2025-04-16 | DEVON ENERGY PRODUCTION CO LP / FLEENOR 5 8 17 PAD 2 | OMEGA, Blaine, OK | Pass | State |
| 2025-04-16 | BCE MACH III LLC / LSEOU 37 3HO LSEOU 37 4HO LSEOU 50 4HO | CRESCENT, Kingfisher, OK | Pass | State |
| 2025-04-16 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-04-16 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-04-15 | BCE MACH LLC / BETTY 22 24 10 1H STATION | HELENA, Alfalfa, OK | Pass | State |
| 2025-04-15 | USA COMPRESSION PARTNERS LP / UNION COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2025-04-15 | USA COMPRESSION PARTNERS LP / UNION COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2025-04-15 | USA COMPRESSION PARTNERS LP / UNION COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2025-04-15 | GEORGIA PACIFIC MUSKOGEE LLC / MUSKOGEE MILL | MUSKOGEE, Muskogee, OK | Pass | State |
| 2025-04-14 | USA COMPRESSION PARTNERS LP / UNION COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2025-04-14 | USA COMPRESSION PARTNERS LP / UNION COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2025-04-14 | TARGA PIPELINE MIDCONTINENT LLC / MATHEWS COMPRESSOR STATION | WILSON, Carter, OK | Pass | State |
| 2025-04-14 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2025-04-14 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2025-04-11 | COTERRA ENERGY OPERATING CO / SHELLY 2 3H 3106X FACILITY | COGAR, Canadian, OK | Pass | State |
| 2025-04-10 | MIDPOINT MIDSTREAM LLC / PRENTISS COMPRESSOR STATION | SAYRE, Beckham, OK | Pass | State |
| 2025-04-10 | COTERRA ENERGY OPERATING CO / DUMAS 1 16H | HYDRO, Blaine, OK | Pass | State |
| 2025-04-10 | COTERRA ENERGY OPERATING CO / AUSTIN BIA 1 27H | CALUMET, Canadian, OK | Pass | State |
| 2025-04-10 | BOUNTY TRANSFER LLC / LAKE MURRAY COMPRESSOR STATION | ARDMORE, Carter, OK | Pass | State |
| 2025-04-10 | DCP OPERATING CO LP / LINDSAY BRADLEY COMPRESSOR STATION | BRADLEY, Grady, OK | Pass | State |
| 2025-04-10 | ONEOK GAS STORAGE LLC / WEST EDMOND STATION | GUTHRIE, Logan, OK | Pass | State |
| 2025-04-09 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / AMORITA COMPRESSOR STATION | AMORITA, Alfalfa, OK | Pass | State |
| 2025-04-09 | PALO DURO PIPELINES TEXAS GATHERING LP / BECKHAM 2 COMPRESSOR STATION | SWEETWATER, Beckham, OK | Pass | State |
| 2025-04-09 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | SEILING, Dewey, OK | Pass | State |
| 2025-04-09 | PETROLINK ENERGY LLC / GOOSE CREEK COMPRESSOR STATION | STROUD, Lincoln, OK | Pass | State |
| 2025-04-09 | PETROLINK ENERGY LLC / EAST CHANDLER COMPRESSOR STATION | CHANDLER, Lincoln, OK | Pass | State |
| 2025-04-09 | XTO ENERGY INC / TOMMY 1 3H34 PRODUCTION SITE | MARIETTA, Love, OK | Pass | State |
| 2025-04-09 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / CANTON COMPRESSOR STATION | FAIRVIEW, Major, OK | Pass | State |
| 2025-04-09 | XTO ENERGY INC / JOHNSON 1 31 PRODUCTION SITE | CUMBERLAND, Marshall, OK | Pass | State |
| 2025-04-08 | PALO DURO PIPELINES TEXAS GATHERING LP / BECKHAM 2 COMPRESSOR STATION | SWEETWATER, Beckham, OK | Pass | State |
| 2025-04-08 | PALO DURO PIPELINES TEXAS GATHERING LP / BECKHAM 2 COMPRESSOR STATION | SWEETWATER, Beckham, OK | Pass | State |
| 2025-04-08 | ENLINK MIDSTREAM SERVICES LLC / OPAL COMPRESSOR STATION | GEARY, Blaine, OK | Pass | State |
| 2025-04-08 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / CARRIER COMPRESSOR STATION | CARRIER, Garfield, OK | Pass | State |
| 2025-04-08 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / HILLSDALE COMPRESSOR STATION | ENID, Garfield, OK | Pass | State |
| 2025-04-08 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ORIENTA COMPRESSOR STATION | ORIENTA, Major, OK | Pass | State |
| 2025-04-08 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ORIENTA COMPRESSOR STATION | ORIENTA, Major, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.