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 |
|---|---|---|---|---|
| 2025-06-24 | DEVON ENERGY PRODUCTION CO LP / REDWOOD 16 PAD 1 | GREENFIELD, Blaine, OK | Pass | State |
| 2025-06-24 | ONEOK FIELD SERVICES CO LLC / ICE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-06-24 | ONEOK FIELD SERVICES CO LLC / ICE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-06-24 | CAMINO NATURAL RESOURCES LLC / CANNONBALL 1 2 JOHNSTON 4 5 VINITA 4 | EL RENO, Canadian, OK | Pass | State |
| 2025-06-24 | CAMINO NATURAL RESOURCES LLC / CANNONBALL 1 2 JOHNSTON 4 5 VINITA 4 | EL RENO, Canadian, OK | Pass | State |
| 2025-06-24 | CAMINO NATURAL RESOURCES LLC / EDDIE SUTTON 1 2 3 PRODUCTION FACILITY | UNION CITY, Canadian, OK | Pass | State |
| 2025-06-24 | FORMENTERA OPERATIONS / T MACK PAD | BISON, Garfield, OK | Pass | State |
| 2025-06-24 | FORMENTERA OPERATIONS / YOUNGER 1 1H FACILITY | HUNTER, Garfield, OK | Pass | State |
| 2025-06-24 | BCE MACH III LLC / BATES 1706 3 12MH LNU 129 2HO LNU 128 | DOVER, Kingfisher, OK | Pass | State |
| 2025-06-24 | BCE MACH III LLC / LSEOU 89 3HO 88 2HO PAD | CRESCENT, Kingfisher, OK | Pass | State |
| 2025-06-24 | BCE MACH III LLC / RANDAL 23 26 18 6 5HO PAD | DOVER, Kingfisher, OK | Pass | State |
| 2025-06-24 | BCE MACH LLC / RED HILL TRUST 30 29 17 1H STA | FREEDOM, Woods, OK | Pass | State |
| 2025-06-24 | BCE MACH LLC / MELINDIA 11 28 16 1H AND ERIKSON 14 28 | ALVA, Woods, OK | Pass | State |
| 2025-06-24 | BCE MACH LLC / MACKEY LEE 33 29 17 2H PAD | CAMP HOUSTON, Woods, OK | Pass | State |
| 2025-06-24 | BCE MACH LLC / LM 5 28 17 2H PAD | FREEDOM, Woods, OK | Pass | State |
| 2025-06-24 | BCE MACH LLC / KAMAS 30 29 17 2H PAD | FREEDOM, Woods, OK | Pass | State |
| 2025-06-23 | WILLIAMS MIDSTREAM GAS SERVICES LLC / HELENA COMPRESSOR STATION | HELENA, Alfalfa, OK | Pass | State |
| 2025-06-23 | BCE MACH LLC / CUMMINGS 31 28 12 STATION | BURLINGTON, Alfalfa, OK | Pass | State |
| 2025-06-23 | BCE MACH LLC / BILLY BLEW 15 25 11 2H PAD | ALVA, Alfalfa, OK | Pass | State |
| 2025-06-23 | BCE MACH LLC / MHD 18 26 12 1H STA | CHEROKEE, Alfalfa, OK | Pass | State |
| 2025-06-23 | PALO DURO G AND P OKLAHOMA LP / SILVER FOX COMPRESSOR STATION | SWEETWATER, Beckham, OK | Pass | State |
| 2025-06-23 | ONEOK FIELD SERVICES CO LLC / ICE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-06-23 | ONEOK FIELD SERVICES CO LLC / ICE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-06-23 | CAMINO NATURAL RESOURCES LLC / BRAUM FAMILY 9 1XH 9 2XH 9 3XH | UNION CITY, Canadian, OK | Pass | State |
| 2025-06-23 | CAMINO NATURAL RESOURCES LLC / BLACK KETTLE 1 2 3 4 5 PRODUCTION FACI | EL RENO, Canadian, OK | Pass | State |
| 2025-06-23 | FORMENTERA OPERATIONS / TLZ 3 34WH | HUNTER, Garfield, OK | Pass | State |
| 2025-06-23 | FORMENTERA OPERATIONS / VELMA 1 35H | HUNTER, Garfield, OK | Pass | State |
| 2025-06-23 | CAMINO NATURAL RESOURCES LLC / SANDBASS 1 PAYNE 1 PRODUCTION FACILITY | AMBER, Grady, OK | Pass | State |
| 2025-06-23 | BCE MACH III LLC / NABORS 16 21 18 7 2HO PAD | DOVER, Kingfisher, OK | Pass | State |
| 2025-06-23 | FW MIDCON I LLC / FOSTER 0804 2H 3H 20X WHERRELL 0804 2 | BLANCHARD, McClain, OK | Pass | State |
| 2025-06-23 | PETROLINK ENERGY LLC / PADEN PLANT | PADEN, Okfuskee, OK | Pass | State |
| 2025-06-20 | BCE MACH II LLC / HENSON 34 11 25 1H | MAYFIELD, Beckham, OK | Pass | State |
| 2025-06-20 | BCE MACH II LLC / TIPTON 20 11 25 12H TIPTON 29 11 25 3H | SWEETWATER, Beckham, OK | Pass | State |
| 2025-06-20 | BCE MACH LLC / LIMELIGHT 28 33 12N 8W 1MXH HUNT 28 33 | EL RENO, Canadian, OK | Pass | State |
| 2025-06-20 | ONEOK FIELD SERVICES CO LLC / SMALLWOOD COMPRESSOR STATION | BUTLER, Custer, OK | Pass | State |
| 2025-06-20 | SANGUINE GAS EXPLORATION LLC / POTATO HILLS COMPRESSOR STATION | YANUSH, Latimer, OK | Pass | State |
| 2025-06-20 | SANGUINE GAS EXPLORATION LLC / POTATO HILLS COMPRESSOR STATION | YANUSH, Latimer, OK | Pass | State |
| 2025-06-20 | BCE MACH II LLC / MCGUIRE 12 11 26 8H | SWEETWATER, Roger Mills, OK | Pass | State |
| 2025-06-19 | MARKWEST OKLAHOMA GAS CO LLC / BUFFALO CREEK PROCESSING PLANT — high-priority violation on file | SAYRE, Beckham, OK | Pass | State |
| 2025-06-19 | BCE MACH LLC / GLORIETTA 7 6 12 8 3 4MHX 6MH THOMPSON | EL RENO, Canadian, OK | Pass | State |
| 2025-06-19 | BLACK MESA ENERGY LLC / BRUINS 2 11 1S 3W WXH 1 | RATLIFF CITY, Carter, OK | Pass | State |
| 2025-06-19 | MARKWEST OKLAHOMA GAS CO LLC / DOVER COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-06-19 | MARKWEST OKLAHOMA GAS CO LLC / DOVER COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-06-19 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 2 | QUINTON, Pittsburg, OK | Pass | State |
| 2025-06-19 | PONDEROSA GATHERING LLC / PONDEROSA COMPRESSOR STATION 2 | QUINTON, Pittsburg, OK | Pass | State |
| 2025-06-19 | BCE MACH LLC / CASSIE ARMOUR 17 20 S1H ALICE TUCKER 1 | VELMA, Stephens, OK | Pass | State |
| 2025-06-19 | BCE MACH LLC / SKEET 17 20 S3H SKEET 17 20 S4H | VELMA, Stephens, OK | Pass | State |
| 2025-06-18 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2025-06-18 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2025-06-18 | BLACK MESA ENERGY LLC / SANFORD PAD | RATLIFF CITY, Garvin, OK | Pass | State |
| 2025-06-18 | GULFPORT MIDCON LLC / EJ CRADDOCK A | ALEX, Grady, OK | Pass | State |
| 2025-06-18 | EOG RESOURCES INC / DESKINS CTB | BLANCHARD, Grady, OK | Pass | State |
| 2025-06-18 | MARKWEST OKLAHOMA GAS CO LLC / HELEN MEIER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-06-18 | MARKWEST OKLAHOMA GAS CO LLC / HELEN MEIER COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-06-18 | FOUNDATION ENERGY MANAGEMENT LLC / DELPHIA 1 34H | KREBS, Pittsburg, OK | Pass | State |
| 2025-06-18 | BCE MACH LLC / BRYANT 25 24 UW1H | VELMA, Stephens, OK | Pass | State |
| 2025-06-18 | BCE MACH LLC / CASSIE ARMOUR 17 20 S1H ALICE TUCKER 1 | VELMA, Stephens, OK | Pass | State |
| 2025-06-17 | ENLINK MIDSTREAM SERVICES LLC / PEARL COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-06-17 | ENLINK MIDSTREAM SERVICES LLC / PEARL COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-06-17 | ENLINK MIDSTREAM SERVICES LLC / PEARL COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-06-17 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2025-06-17 | MARKWEST PIONEER LLC / ARKOMA COMPRESSOR STATION | COALGATE, Coal, OK | Pass | State |
| 2025-06-17 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-06-17 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-06-17 | BCE MACH LLC / BIFFLE 22 15 UW1H | VELMA, Stephens, OK | Pass | State |
| 2025-06-17 | BCE MACH LLC / BIFFLE 22 15 S1H | TUSSY, Stephens, OK | Pass | State |
| 2025-06-16 | ENLINK MIDSTREAM SERVICES LLC / PEARL COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-06-16 | ONEOK FIELD SERVICES CO LLC / BURNS COMPRESSOR STATION | GEARY, Canadian, OK | Pass | State |
| 2025-06-16 | ONEOK FIELD SERVICES CO LLC / WARD COMPRESSOR STATION NORTHERN ROWS | GEARY, Canadian, OK | Pass | State |
| 2025-06-16 | SOUTHERN STAR CTL GAS PIPELINE INC / RATLIFF CITY COMPRESSOR STATION | RATLIFF CITY, Carter, OK | Pass | State |
| 2025-06-16 | SOUTHERN STAR CTL GAS PIPELINE INC / RATLIFF CITY COMPRESSOR STATION | RATLIFF CITY, Carter, OK | Pass | State |
| 2025-06-16 | ONEOK GAS STORAGE LLC / DEPEW STATION | DEPEW, Creek, OK | Pass | State |
| 2025-06-16 | GULFPORT MIDCON LLC / GARNETT B PAD | ALEX, Grady, OK | Pass | State |
| 2025-06-16 | BCE MACH II LLC / BLM ROMAN NOSE 1H 28 OIL AND GAS FACIL | REYDON, Roger Mills, OK | Pass | State |
| 2025-06-16 | BCE MACH LLC / BIFFLE 22 15 S2H S3H | TUSSY, Stephens, OK | Pass | State |
| 2025-06-16 | BCE MACH LLC / BIFFLE 22 15 S2H S3H | TUSSY, Stephens, OK | Pass | State |
| 2025-06-13 | PALO DURO G AND P OKLAHOMA LP / SILVER FOX COMPRESSOR STATION | SWEETWATER, Beckham, OK | Pass | State |
| 2025-06-13 | BCE MACH LLC / THE DUCA 13 24 12N 9W 2MHX 4MHX PAD | EL RENO, Canadian, OK | Pass | State |
| 2025-06-13 | BCE MACH LLC / THE DUCA 13 24 12N 9W 2MHX 4MHX PAD | EL RENO, Canadian, OK | Pass | State |
| 2025-06-13 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | SEILING, Dewey, OK | Pass | State |
| 2025-06-13 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | SEILING, Dewey, OK | Pass | State |
| 2025-06-12 | BCE MACH LLC / LIMELIGHT 28 33 12N 8W 1MXH HUNT 28 33 | EL RENO, Canadian, OK | Pass | State |
| 2025-06-12 | BCE MACH LLC / GOUCHER 1 34H PAD | ARAPAHO, Custer, OK | Pass | State |
| 2025-06-12 | BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W | AMBER, Grady, OK | Pass | State |
| 2025-06-12 | BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W | AMBER, Grady, OK | Pass | State |
| 2025-06-12 | TALL OAK WOODFORD LLC / ROUGHTAIL COMPRESSOR FACILITY | DUSTIN, Hughes, OK | Pass | State |
| 2025-06-12 | VM ARKOMA STACK LLC / MERIDIAN COMPRESSOR STATION | CALVIN, Hughes, OK | Pass | State |
| 2025-06-12 | MARKWEST OKLAHOMA GAS CO LLC / CALHOUN COMPRESSOR STATION | MCALESTER, Pittsburg, OK | Pass | State |
| 2025-06-12 | MARKWEST OKLAHOMA GAS CO LLC / CALHOUN COMPRESSOR STATION | MCALESTER, Pittsburg, OK | Pass | State |
| 2025-06-12 | PALO DURO PIPELINES TEXAS GATHERING LP / C 8 COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2025-06-12 | BCE MACH II LLC / ROXANNE 1 17H | BESSIE, Washita, OK | Pass | State |
| 2025-06-11 | BCE MACH II LLC / FUCHS 35 11 25 11H | SWEETWATER, Beckham, OK | Pass | State |
| 2025-06-11 | BCE MACH LLC / BOO BEAR PAD | EL RENO, Canadian, OK | Pass | State |
| 2025-06-11 | CAMINO NATURAL RESOURCES LLC / GARRARD 0805 2 1XXHW | BLANCHARD, Grady, OK | Pass | State |
| 2025-06-11 | CAMINO NATURAL RESOURCES LLC / ROBERT KALSU 1 CLARA LUPER 1 PRODUCTIO | AMBER, Grady, OK | Pass | State |
| 2025-06-11 | BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W | AMBER, Grady, OK | Pass | State |
| 2025-06-11 | MARKWEST OKLAHOMA GAS CO LLC / LAMAR COMPRESSOR STATION | LAMAR, Hughes, OK | Pass | State |
| 2025-06-11 | TALL OAK WOODFORD LLC / PRAIRIE COMPRESSOR FACILITY | WETUMKA, McIntosh, OK | Pass | State |
| 2025-06-11 | TALL OAK WOODFORD LLC / SOLERA COMPRESSOR FACILITY | MCALESTER, Pittsburg, OK | Pass | State |
| 2025-06-11 | BCE MACH II LLC / BLM ROMAN NOSE 1H 28 OIL AND GAS FACIL | REYDON, Roger Mills, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.