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 |
|---|---|---|---|---|
| 2025-05-15 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-05-15 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-05-15 | TOM STACK LLC / BIG SKY COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2025-05-15 | MARKWEST OKLAHOMA GAS CO LLC / STUART NORTH COMPRESSOR STATION | STUART, Hughes, OK | Pass | State |
| 2025-05-15 | MARKWEST OKLAHOMA GAS CO LLC / STUART NORTH COMPRESSOR STATION | STUART, Hughes, OK | Pass | State |
| 2025-05-15 | MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-15 | MARKWEST OKLAHOMA GAS CO LLC / HELEN MEIER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-15 | GEORGIA PACIFIC MUSKOGEE LLC / MUSKOGEE MILL | MUSKOGEE, Muskogee, OK | Pass | State |
| 2025-05-15 | SANGUINE GAS EXPLORATION LLC / WHISKEY CREEK COMPRESSOR STATION | MCALESTER, Pittsburg, OK | Pass | State |
| 2025-05-15 | SANGUINE GAS EXPLORATION LLC / WHISKEY CREEK COMPRESSOR STATION | MCALESTER, Pittsburg, OK | Pass | State |
| 2025-05-14 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-05-14 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-05-14 | TOM STACK LLC / ANTHEM COMPRESSOR FACILITY — high-priority violation on file | EL RENO, Canadian, OK | Pass | State |
| 2025-05-14 | TOM STACK LLC / ANTHEM COMPRESSOR FACILITY — high-priority violation on file | EL RENO, Canadian, OK | Pass | State |
| 2025-05-14 | BCE MACH LLC / GREY SNOW LONE WOLF PAD | EL RENO, Canadian, OK | Pass | State |
| 2025-05-14 | BCE MACH LLC / DUMBLEDORE 24 13 10 7W 1 2 3MHX REDBU | MINCO, Grady, OK | Pass | State |
| 2025-05-14 | BCE MACH LLC / DUMBLEDORE 24 13 10 7W 1 2 3MHX REDBU | MINCO, Grady, OK | Pass | State |
| 2025-05-14 | FOUNDATION ENERGY MANAGEMENT LLC / WILSON 2 14H | GERTY, Hughes, OK | Pass | State |
| 2025-05-14 | MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-14 | MARKWEST OKLAHOMA GAS CO LLC / ALPHA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-14 | FOUNDATION ENERGY MANAGEMENT LLC / ECHELLE 1 16H | ASHLAND, Pittsburg, OK | Pass | State |
| 2025-05-13 | ENABLE OKLAHOMA INTRASTATE TRANSMISSION / BENNINGTON COMPRESSOR STATION | BENNINGTON, Bryan, OK | Pass | State |
| 2025-05-13 | ENABLE OKLAHOMA INTRASTATE TRANSMISSION / BENNINGTON COMPRESSOR STATION | BENNINGTON, Bryan, OK | Pass | State |
| 2025-05-13 | ENABLE OKLAHOMA INTRASTATE TRANSMISSION / BENNINGTON COMPRESSOR STATION | BENNINGTON, Bryan, OK | Pass | State |
| 2025-05-13 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-05-13 | TOM STACK LLC / ROGUE COMPRESSOR STATION | CONCHO, Canadian, OK | Pass | State |
| 2025-05-13 | TOM STACK LLC / ROGUE COMPRESSOR STATION | CONCHO, Canadian, OK | Pass | State |
| 2025-05-13 | BCE MACH LLC / LONE WOLF 35 26 12N 8W 1MHX 2MHX 3MHX | EL RENO, Canadian, OK | Pass | State |
| 2025-05-13 | BCE MACH LLC / LIMELIGHT 4 33 11N 8W 2 3MHX PAD | UNION CITY, Canadian, OK | Pass | State |
| 2025-05-13 | BCE MACH LLC / LIMELIGHT 4 33 11N 8W 2 3MHX PAD | UNION CITY, Canadian, OK | Pass | State |
| 2025-05-13 | BCE MACH LLC / LIMELIGHT 28 33 12N 8W 1MXH HUNT 28 33 | EL RENO, Canadian, OK | Pass | State |
| 2025-05-13 | BLACK MESA ENERGY LLC / SANFORD PAD | RATLIFF CITY, Garvin, OK | Pass | State |
| 2025-05-13 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-13 | MARKWEST OKLAHOMA GAS CO LLC / DOROTHY COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-12 | FW MIDCON I LLC / STARK 6H 1LMX 7H 1UMX 8H 1LMX | OMEGA, Blaine, OK | Pass | State |
| 2025-05-12 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-05-12 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-05-12 | TOM STACK LLC / ROGUE COMPRESSOR STATION | CONCHO, Canadian, OK | Pass | State |
| 2025-05-12 | TOM STACK LLC / ROGUE COMPRESSOR STATION | CONCHO, Canadian, OK | Pass | State |
| 2025-05-12 | BCE MACH LLC / GREY SNOW LONE WOLF PAD | EL RENO, Canadian, OK | Pass | State |
| 2025-05-12 | BCE MACH LLC / JABRONI 13 12 13N 8W 1 2MHX PAD | EL RENO, Canadian, OK | Pass | State |
| 2025-05-12 | BCE MACH LLC / JABRONI 13 12 13N 8W 1 2MHX PAD | EL RENO, Canadian, OK | Pass | State |
| 2025-05-12 | BCE MACH LLC / LONE WOLF 35 26 12N 8W 1MHX 2MHX 3MHX | EL RENO, Canadian, OK | Pass | State |
| 2025-05-12 | BCE MACH LLC / LONE WOLF 35 26 12N 8W 1MHX 2MHX 3MHX | EL RENO, Canadian, OK | Pass | State |
| 2025-05-12 | MARKWEST OKLAHOMA GAS CO LLC / COFFEY COMPRESSOR STATION | CENTRAHOMA, Coal, OK | Pass | State |
| 2025-05-12 | CRAWLEY PETROLEUM CORP / GAYLE JAQUITH 1 11MH | SEILING, Dewey, OK | Pass | State |
| 2025-05-09 | FORMENTERA OPERATIONS / WILDS 6 12 6 1H MANNING 31 13 6 1H PR | EL RENO, Canadian, OK | Pass | State |
| 2025-05-09 | FORMENTERA OPERATIONS / BEVERLY BRISCOE | PIEDMONT, Oklahoma, OK | Pass | State |
| 2025-05-08 | MARKWEST OKLAHOMA GAS CO LLC / SPRAGUE COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2025-05-08 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2025-05-08 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2025-05-07 | MARKWEST OKLAHOMA GAS CO LLC / OKARCHE COMPRESSOR STATION | OKARCHE, Canadian, OK | Pass | State |
| 2025-05-07 | BCE MACH LLC / SOUTHERN STAR 28 13N 7W | EL RENO, Canadian, OK | Pass | State |
| 2025-05-07 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2025-05-07 | IRON HORSE MIDSTREAM LLC / CRUSADER COMPRESSOR STATION | EL RENO, Canadian, OK | Pass | State |
| 2025-05-07 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2025-05-07 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2025-05-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / FISHER COMPRESSOR STATION | CHESTER, Major, OK | Pass | State |
| 2025-05-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / FISHER COMPRESSOR STATION | CHESTER, Major, OK | Pass | State |
| 2025-05-06 | BCE MACH II LLC / ANDERSON 4 19HC | SWEETWATER, Beckham, OK | Pass | State |
| 2025-05-06 | MARKWEST OKLAHOMA GAS CO LLC / OKARCHE COMPRESSOR STATION | OKARCHE, Canadian, OK | Pass | State |
| 2025-05-06 | MARKWEST OKLAHOMA GAS CO LLC / OKARCHE COMPRESSOR STATION | OKARCHE, Canadian, OK | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | SEILING, Dewey, OK | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAUKOMIS COMPRESSOR STATION | WAUKOMIS, Garfield, OK | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / WAUKOMIS COMPRESSOR STATION | WAUKOMIS, Garfield, OK | Pass | State |
| 2025-05-06 | IRON HORSE MIDSTREAM LLC / REMINGTON COMPRESSOR STATION | MINCO, Grady, OK | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / CANTON COMPRESSOR STATION | FAIRVIEW, Major, OK | Pass | State |
| 2025-05-06 | HASKELL LEMON GROUP LLC / EAST PLANT | OKLAHOMA CITY, Oklahoma, OK | Pass | State |
| 2025-05-06 | BCE MACH II LLC / COOPRIDER 18 11 25 7H | SWEETWATER, Roger Mills, OK | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / QUINLAN COMPRESSOR STATION | MOORELAND, Woodward, OK | Pass | State |
| 2025-05-06 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pass | State |
| 2025-05-06 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pass | State |
| 2025-05-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / BYRON COMPRESSOR STATION | BYRON, Alfalfa, OK | Pass | State |
| 2025-05-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ROBINSON COMPRESSOR STATION | CANTON, Dewey, OK | Pass | State |
| 2025-05-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ROBINSON COMPRESSOR STATION | CANTON, Dewey, OK | Pass | State |
| 2025-05-05 | FW MIDCON I LLC / FOSTER 0804 2H 3H 20X WHERRELL 0804 2 | BLANCHARD, McClain, OK | Pass | State |
| 2025-05-05 | BCE MACH II LLC / SIMPSON 5 26H OIL AND GAS PRODUCTION F | BESSIE, Washita, OK | Pass | State |
| 2025-05-05 | BCE MACH LLC / BUSH RANCH 2 28 17 1H STATION | FREEDOM, Woods, OK | Pass | State |
| 2025-05-05 | BCE MACH LLC / LAVERNE 14 28 18 1H AND FERGUSON 11 28 | TEGARDEN, Woods, OK | Pass | State |
| 2025-05-05 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pass | State |
| 2025-05-05 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pass | State |
| 2025-05-02 | PABLO ENERGY II LLC / EDDINGS 3H 20 4H 20 5H 20 6H 20 PAD | COALGATE, Coal, OK | Pass | State |
| 2025-05-01 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-01 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-01 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-01 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-05-01 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pass | State |
| 2025-05-01 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | MUTUAL, Woodward, OK | Pass | State |
| 2025-04-30 | ENLINK MIDSTREAM SERVICES LLC / OPAL COMPRESSOR STATION | GEARY, Blaine, OK | Pass | State |
| 2025-04-30 | ENLINK MIDSTREAM SERVICES LLC / BANKHEAD COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-04-30 | BCE MACH III LLC / PAULINE 32 18 6 5HO 6HO PAD | DOVER, Kingfisher, OK | Pass | State |
| 2025-04-30 | FW MIDCON I LLC / WITTROCK 1507 2H 3H 4H 25XX MCCARTHY 1 | OKARCHE, Kingfisher, OK | Pass | State |
| 2025-04-30 | FW MIDCON I LLC / WITTROCK 1507 2H 3H 4H 25XX MCCARTHY 1 | OKARCHE, Kingfisher, OK | Pass | State |
| 2025-04-29 | TOM STACK LLC / COMMUNITY COMPRESSOR STATION | OMEGA, Blaine, OK | Pass | State |
| 2025-04-29 | TOM STACK LLC / COMMUNITY COMPRESSOR STATION | OMEGA, Blaine, OK | Pass | State |
| 2025-04-29 | FW MIDCON I LLC / STARK 3H 1UMX 4H 1LMX 5H 1LMX | OMEGA, Blaine, OK | Pass | State |
| 2025-04-29 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-29 | BCE MACH III MIDSTREAM HOLDINGS LLC / LINCOLN GAS PLANT — high-priority violation on file | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-04-29 | FW MIDCON I LLC / WITTROCK 1609 7H 8H 9X | OMEGA, Kingfisher, OK | Pass | State |
| 2025-04-28 | DCP OPERATING CO LP / LINDSAY PANTHER CREEK COMPRESSOR STATI — high-priority violation on file | ANTIOCH, Garvin, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.