EPA Air · stack tests by county and year
Air-emissions stack tests in Stephens County, Oklahoma, 2025
- 62Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Stephens County, Oklahoma during 2025. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Stephens County facility page.
Stephens County, Oklahoma, 2025
Air-emissions stack tests in Stephens County, other years
Air-emissions stack tests recorded in Stephens County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-09-10 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | Pass | State |
| 2025-09-10 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | Pass | State |
| 2025-09-09 | DCP OPERATING CO LP / SKIPPER COMPRESSOR STATION | Pass | State |
| 2025-09-09 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | Pass | State |
| 2025-09-09 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | Pass | State |
| 2025-09-08 | DCP OPERATING CO LP / SKIPPER COMPRESSOR STATION | Pass | State |
| 2025-09-08 | DCP OPERATING CO LP / SKIPPER COMPRESSOR STATION | Pass | State |
| 2025-09-08 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | Pass | State |
| 2025-09-08 | TARGA PIPELINE MIDCONTINENT LLC / KETCHUM RANCH COMPRESSOR STATION | Pass | State |
| 2025-08-18 | CONTINENTAL RESOURCES / RINGER RANCH 2 20 17XHM RINGER RANCH 3 | Pass | State |
| 2025-08-07 | DCP OPERATING CO LP / SHOLEM GAS PLANT | Pass | State |
| 2025-08-06 | DCP OPERATING CO LP / SHOLEM GAS PLANT | Pass | State |
| 2025-08-06 | DCP OPERATING CO LP / SHOLEM GAS PLANT | Pass | State |
| 2025-08-05 | DCP OPERATING CO LP / SHOLEM GAS PLANT | Pass | State |
| 2025-08-05 | DCP OPERATING CO LP / SHOLEM GAS PLANT | Pass | State |
| 2025-08-04 | DCP OPERATING CO LP / SHOLEM GAS PLANT | Pass | State |
| 2025-08-04 | DCP OPERATING CO LP / SHOLEM GAS PLANT | Pass | State |
| 2025-07-17 | FW MIDCON I LLC / CLARENCE 0204 2H 3H 11X MCCLELLAND 020 | Pass | State |
| 2025-07-09 | CONTINENTAL RESOURCES / PARK PLACE 2 21 16XHM | Pass | State |
| 2025-07-02 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-06-25 | FW MIDCON I LLC / WRIGHT 2H 3H 4X VIRGINIA 1H 4X | Pass | State |
| 2025-06-19 | BCE MACH LLC / CASSIE ARMOUR 17 20 S1H ALICE TUCKER 1 | Pass | State |
| 2025-06-19 | BCE MACH LLC / SKEET 17 20 S3H SKEET 17 20 S4H | Pass | State |
| 2025-06-18 | BCE MACH LLC / BRYANT 25 24 UW1H | Pass | State |
| 2025-06-18 | BCE MACH LLC / CASSIE ARMOUR 17 20 S1H ALICE TUCKER 1 | Pass | State |
| 2025-06-17 | BCE MACH LLC / BIFFLE 22 15 UW1H | Pass | State |
| 2025-06-17 | BCE MACH LLC / BIFFLE 22 15 S1H | Pass | State |
| 2025-06-16 | BCE MACH LLC / BIFFLE 22 15 S2H S3H | Pass | State |
| 2025-06-16 | BCE MACH LLC / BIFFLE 22 15 S2H S3H | Pass | State |
| 2025-05-27 | FW MIDCON I LLC / JARRED 0204 2H 3H 9X | Pass | State |
| 2025-05-22 | CONTINENTAL RESOURCES / THE DUKE 0104 23 14 1MXH | Pass | State |
| 2025-05-21 | CONTINENTAL RESOURCES / DAUBE 2 22 15 10XHM | Pass | State |
| 2025-05-21 | CONTINENTAL RESOURCES / BEARDEN 16 17 12 1 36XHS | Pass | State |
| 2025-04-23 | CONTINENTAL RESOURCES / CONNELL 4 13 12 1XHS | Pass | State |
| 2025-04-22 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-04-21 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-04-21 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-04-17 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-04-17 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-04-16 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-04-16 | DCP OPERATING CO LP / LIGHTNING COMPRESSOR STATION | Pass | State |
| 2025-04-01 | DCP OPERATING CO LP / YELLOW JACKET COMPRESSOR STATION | Pass | State |
| 2025-04-01 | DCP OPERATING CO LP / YELLOW JACKET COMPRESSOR STATION | Pass | State |
| 2025-03-31 | DCP OPERATING CO LP / YELLOW JACKET COMPRESSOR STATION | Pass | State |
| 2025-03-31 | DCP OPERATING CO LP / YELLOW JACKET COMPRESSOR STATION | Pass | State |
| 2025-03-26 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | Pass | State |
| 2025-03-25 | CONTINENTAL RESOURCES / CHALFANT 1 7H ROBERT JO 1 8H | Pass | State |
| 2025-03-11 | CONTINENTAL RESOURCES / CELESTA 2 5 32XH 3 5 32XH POTEET 12 8 | Pass | State |
| 2025-03-03 | FW MIDCON I LLC / BRANCH 1H 16 | Pass | State |
| 2025-02-25 | ONEOK FIELD SERVICES CO LLC / COTTONWOOD COMPRESSOR STATION | Pass | State |
| 2025-02-18 | ET GATHERING PROCESSING LLC / TRI COUNTY COMPRESSOR STATION | Pass | State |
| 2025-02-17 | FW MIDCON I LLC / MARY J 1H 25X | Pass | State |
| 2025-02-11 | ET GATHERING PROCESSING LLC / POTEET COMPRESSOR STATION | Pass | State |
| 2025-02-11 | ET GATHERING PROCESSING LLC / POTEET COMPRESSOR STATION | Pass | State |
| 2025-01-29 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | Pass | State |
| 2025-01-29 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | Pass | State |
| 2025-01-28 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | Pass | State |
| 2025-01-28 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | Pass | State |
| 2025-01-27 | DCP OPERATING CO LP / CROSSROADS COMPRESSOR STATION | Pass | State |
| 2025-01-08 | ET GATHERING PROCESSING LLC / VANARKEL COMPRESSOR STATION | Pass | State |
| 2025-01-07 | ET GATHERING PROCESSING LLC / DOYLE COMPRESSOR STATION | Pass | State |
| 2025-01-07 | ET GATHERING PROCESSING LLC / DOYLE COMPRESSOR STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.