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 |
|---|---|---|---|---|
| 2025-02-17 | BCE MACH II LLC / TIPTON 21 11 25 10H TIPTON 28 11 25 1H | SWEETWATER, Beckham, OK | Pass | State |
| 2025-02-17 | BCE MACH II LLC / TIPTON 20 11 25 12H TIPTON 29 11 25 3H | SWEETWATER, Beckham, OK | Pass | State |
| 2025-02-17 | ONEOK GAS TRANSPORTATION LLC / SALT CREEK COMPRESSOR STATION | DEPEW, Creek, OK | Pass | State |
| 2025-02-17 | FW MIDCON I LLC / HOLINSWORTH 2H 3H 4H 9X SANDRA FIU 030 | PURDY, Garvin, OK | Pass | State |
| 2025-02-17 | DCP OPERATING CO LP / CHITWOOD GAS PLANT — high-priority violation on file | ALEX, Grady, OK | Pass | State |
| 2025-02-17 | ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2025-02-17 | ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2025-02-17 | ET GATHERING PROCESSING LLC / FRISCO COMPRESSOR STATION | CHICKASHA, Grady, OK | Pass | State |
| 2025-02-17 | CONTINENTAL RESOURCES / BUSER 1 19 30XH STEELMAN 1 18 7XH | TABLER, Grady, OK | Pass | State |
| 2025-02-17 | CONTINENTAL RESOURCES / DUNGAN 1 31 30XH | ALEX, Grady, OK | Pass | State |
| 2025-02-17 | ET GATHERING PROCESSING LLC / HAYES COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2025-02-17 | ET GATHERING PROCESSING LLC / HAYES COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2025-02-17 | CONTINENTAL RESOURCES / HART 4 25 24XHS WHEELER FARMS 3 36 1 1 | TABLER, Grady, OK | Pass | State |
| 2025-02-17 | CONTINENTAL RESOURCES / WHEELER FARMS 1 25 36 1XHS HART 1 25 2 | TABLER, Grady, OK | Pass | State |
| 2025-02-17 | CONTINENTAL RESOURCES / LAMBRECHT 4 17 20XHW LAMBRECHT 5 17 20 | MIDDLEBERG, Grady, OK | Pass | State |
| 2025-02-17 | CONTINENTAL RESOURCES / GALVIN 5 27 22 15XHW GALVIN 6 27 22 15 | ALEX, Grady, OK | Pass | State |
| 2025-02-17 | CONTINENTAL RESOURCES / FIECK 3 23 26 35 2XHW FIECK 4 23 26 35 | CHICKASHA, Grady, OK | Pass | State |
| 2025-02-17 | FORMENTERA OPERATIONS / WINTERFELL PAD | OKLAHOMA CITY, Oklahoma, OK | Pass | State |
| 2025-02-17 | FORMENTERA OPERATIONS / WINTERFELL PAD | OKLAHOMA CITY, Oklahoma, OK | Pass | State |
| 2025-02-17 | FORMENTERA OPERATIONS / WINTERFELL PAD | OKLAHOMA CITY, Oklahoma, OK | Pass | State |
| 2025-02-17 | FORMENTERA OPERATIONS / WINTERFELL PAD | OKLAHOMA CITY, Oklahoma, OK | Pass | State |
| 2025-02-17 | FW MIDCON I LLC / MARY J 1H 25X | BRAY, Stephens, OK | Pass | State |
| 2025-02-17 | DIVERSIFIED PRODUCTION LLC / PHEASANT 2413 1UOHX 29 20 2UOHX 29 20 | CLEO SPRINGS, Woods, OK | Pass | State |
| 2025-02-14 | BCE MACH LLC / BARBARA ANN 28 27 12 STATION | CHEROKEE, Alfalfa, OK | Pass | State |
| 2025-02-14 | BCE MACH LLC / LEAMON 32 27 11 4H PAD | INGERSOLL, Alfalfa, OK | Pass | State |
| 2025-02-14 | VALIDUS ENERGY II MIDCON LLC / POLLARD 8 PAD | CRESCENT, Logan, OK | Pass | State |
| 2025-02-13 | BCE MACH LLC / STATE 16 28 10 1H STA | BYRON, Alfalfa, OK | Pass | State |
| 2025-02-13 | TALL OAK MIDCON LLC / PENDLETON COMPRESSOR FACILITY | TALOGA, Dewey, OK | Pass | State |
| 2025-02-13 | ONEOK FIELD SERVICES CO LLC / RIDDLE COMPRESSOR STATION | ALEX, Grady, OK | Pass | State |
| 2025-02-13 | MARKWEST OKLAHOMA GAS CO LLC / JAMES COMPRESSOR STATION | OKARCHE, Kingfisher, OK | Pass | State |
| 2025-02-13 | BCE MACH LLC / CAROL 2 28 15 1H STATION | ALVA, Woods, OK | Pass | State |
| 2025-02-13 | BCE MACH LLC / TRAVIS 12 28 15 AND ERICK 12 28 15 1H | ALVA, Woods, OK | Pass | State |
| 2025-02-12 | TALL OAK MIDCON LLC / PENDLETON COMPRESSOR FACILITY | TALOGA, Dewey, OK | Pass | State |
| 2025-02-12 | ONEOK FIELD SERVICES CO LLC / RIDDLE COMPRESSOR STATION | ALEX, Grady, OK | Pass | State |
| 2025-02-12 | ONEOK FIELD SERVICES CO LLC / RIDDLE COMPRESSOR STATION | ALEX, Grady, OK | Pass | State |
| 2025-02-12 | TOM STACK LLC / COOP COMPRESSOR FACILITY | OKARCHE, Kingfisher, OK | Pass | State |
| 2025-02-12 | TOM STACK LLC / COOP COMPRESSOR FACILITY | OKARCHE, Kingfisher, OK | Pass | State |
| 2025-02-12 | BCE MACH III MIDSTREAM HOLDINGS LLC / WAY SOUTH COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-12 | BCE MACH III MIDSTREAM HOLDINGS LLC / WAY SOUTH COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-11 | REDCLIFF MIDSTREAM LLC / CANADIAN RIVER COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-02-11 | REDCLIFF MIDSTREAM LLC / CANADIAN RIVER COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-02-11 | REDCLIFF MIDSTREAM LLC / CANADIAN RIVER COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-02-11 | REDCLIFF MIDSTREAM LLC / CANADIAN RIVER COMPRESSOR STATION | WATONGA, Blaine, OK | Pass | State |
| 2025-02-11 | VALIDUS ENERGY II MIDCON LLC / STRIPE CDP | PURDY, Garvin, OK | Pass | State |
| 2025-02-11 | BCE MACH LLC / CAMPBELL FARMS 35 2 8N 6W 2WHX 4WHX 5W | AMBER, Grady, OK | Pass | State |
| 2025-02-11 | BCE MACH III MIDSTREAM HOLDINGS LLC / GREAT DIVIDE COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-02-11 | BCE MACH III MIDSTREAM HOLDINGS LLC / COLEMAN BULLIS COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-02-11 | MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-02-11 | MARKWEST OKLAHOMA GAS CO LLC / STANGL COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-02-11 | BCE MACH III LLC / BUNKER BUSTER 1606 1 13MH PAD | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-02-11 | BCE MACH III LLC / BOLLENBACH 1705 2 21MH 3 21 MH 5 21MH | CRESCENT, Kingfisher, OK | Pass | State |
| 2025-02-11 | VALIDUS ENERGY II MIDCON LLC / COMMANDO PAD | PAYNE, McClain, OK | Pass | State |
| 2025-02-11 | ET GATHERING PROCESSING LLC / POTEET COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-02-11 | ET GATHERING PROCESSING LLC / POTEET COMPRESSOR STATION | BRAY, Stephens, OK | Pass | State |
| 2025-02-10 | ENLINK MIDSTREAM SERVICES LLC / SAPPHIRE COMPRESSOR STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-02-10 | TOM STACK LLC / ANTHEM COMPRESSOR FACILITY — high-priority violation on file | EL RENO, Canadian, OK | Pass | State |
| 2025-02-10 | BCE MACH LLC / MIDNIGHT SUN 123 MHX CROOKED PINE 46 M | EL RENO, Canadian, OK | Pass | State |
| 2025-02-10 | BCE MACH III MIDSTREAM HOLDINGS LLC / ASH FOSTER COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-02-10 | BCE MACH III MIDSTREAM HOLDINGS LLC / ASH FOSTER COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-02-10 | EOG RESOURCES INC / LELIA 5X 1H PRODUCTION FACILITY | BLANCHARD, McClain, OK | Pass | State |
| 2025-02-10 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | RICHMOND, Woodward, OK | Pass | State |
| 2025-02-10 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | RICHMOND, Woodward, OK | Pass | State |
| 2025-02-07 | DCP OPERATING CO LP / PETREE COMPRESSOR STATION | UNION CITY, Canadian, OK | Pass | State |
| 2025-02-07 | DCP OPERATING CO LP / COWBOY BOOSTER STATION | CALUMET, Canadian, OK | Pass | State |
| 2025-02-07 | BCE MACH III MIDSTREAM HOLDINGS LLC / ASH FOSTER COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-02-07 | BCE MACH III MIDSTREAM HOLDINGS LLC / LUCKY COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-07 | BCE MACH III MIDSTREAM HOLDINGS LLC / LUCKY COMPRESSOR STATION | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-07 | ONEOK GAS TRANSPORTATION LLC / RED OAK COMPRESSOR STATION | RED OAK, Latimer, OK | Pass | State |
| 2025-02-06 | GREAT HORNED OWLS LLC / WALLEYE 1 23HC WALLEYE 2 23HT | CAMARGO, Dewey, OK | Pass | State |
| 2025-02-06 | GREAT HORNED OWLS LLC / ROSA 1 24HT | CAMARGO, Dewey, OK | Pass | State |
| 2025-02-06 | BCE MACH III MIDSTREAM HOLDINGS LLC / MARAL COMPRESSOR STATION | BISON, Garfield, OK | Pass | State |
| 2025-02-06 | BCE MACH III MIDSTREAM HOLDINGS LLC / MARAL COMPRESSOR STATION | BISON, Garfield, OK | Pass | State |
| 2025-02-06 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-06 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-02-06 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-02-06 | BCE MACH III MIDSTREAM HOLDINGS LLC / COLEMAN BULLIS COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-02-06 | ONEOK GAS TRANSPORTATION LLC / RED OAK COMPRESSOR STATION | RED OAK, Latimer, OK | Pass | State |
| 2025-02-06 | ONEOK GAS TRANSPORTATION LLC / RED OAK COMPRESSOR STATION | RED OAK, Latimer, OK | Pass | State |
| 2025-02-05 | NATURAL GAS PIPELINE CO OF AMERICA / STATION 801 | RATLIFF CITY, Carter, OK | Pass | State |
| 2025-02-05 | ET GATHERING PROCESSING LLC / TUSSY COMPRESSOR STATION | RATLIFF CITY, Carter, OK | Pass | State |
| 2025-02-05 | ET GATHERING PROCESSING LLC / TUSSY COMPRESSOR STATION | RATLIFF CITY, Carter, OK | Pass | State |
| 2025-02-05 | IRON HORSE MIDSTREAM LLC / SILVER PIGEON COMPRESSOR STATION | NINNEKAH, Grady, OK | Pass | State |
| 2025-02-05 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-05 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-05 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-05 | MARKWEST OKLAHOMA GAS CO LLC / LOYAL COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-02-05 | MARKWEST OKLAHOMA GAS CO LLC / DOVER COMPRESSOR STATION | DOVER, Kingfisher, OK | Pass | State |
| 2025-02-04 | NATURAL GAS PIPELINE CO OF AMERICA / STATION 801 | RATLIFF CITY, Carter, OK | Pass | State |
| 2025-02-04 | ONEOK FIELD SERVICES CO LLC / PACKSADDLE COMPRESSOR STATION | ARNETT, Ellis, OK | Pass | State |
| 2025-02-04 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-04 | TOM STACK LLC / CHISHOLM PLANT | CASHION, Kingfisher, OK | Pass | State |
| 2025-02-04 | BCE MACH III MIDSTREAM HOLDINGS LLC / GREAT DIVIDE COMPRESSOR STATION | LOYAL, Kingfisher, OK | Pass | State |
| 2025-02-04 | MARKWEST OKLAHOMA GAS CO LLC / KAPPA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-02-04 | MARKWEST OKLAHOMA GAS CO LLC / KAPPA COMPRESSOR STATION | KINGFISHER, Kingfisher, OK | Pass | State |
| 2025-02-04 | ET GATHERING PROCESSING LLC / CHEYENNE COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2025-02-04 | ET GATHERING PROCESSING LLC / CHEYENNE COMPRESSOR STATION | CHEYENNE, Roger Mills, OK | Pass | State |
| 2025-02-04 | TERRA INTL OKLAHOMA LLC / WOODWARD COMPLEX | WOODWARD, Woodward, OK | Pass | State |
| 2025-02-03 | ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION | HYDRO, Blaine, OK | Pass | State |
| 2025-02-03 | ET GATHERING PROCESSING LLC / HYDRO COMPRESSOR STATION | HYDRO, Blaine, OK | Pass | State |
| 2025-02-03 | ONEOK FIELD SERVICES CO LLC / PACKSADDLE COMPRESSOR STATION | ARNETT, Ellis, OK | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.