EPA Air · stack tests by county and year
Air-emissions stack tests in Dewey County, Oklahoma, 2025
- 23Stack 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 Dewey 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 Dewey County facility page.
Dewey County, Oklahoma, 2025
Air-emissions stack tests in Dewey County, other years
Air-emissions stack tests recorded in Dewey County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-07-28 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ROBINSON COMPRESSOR STATION | Pass | State |
| 2025-07-08 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | Pass | State |
| 2025-06-13 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | Pass | State |
| 2025-06-13 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | Pass | State |
| 2025-06-09 | TALL OAK MIDCON LLC / PENDLETON COMPRESSOR FACILITY | Pass | State |
| 2025-05-27 | ONEOK FIELD SERVICES CO LLC / EAST PUTNAM COMPRESSOR STATION | Pass | State |
| 2025-05-12 | CRAWLEY PETROLEUM CORP / GAYLE JAQUITH 1 11MH | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | Pass | State |
| 2025-05-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ROBINSON COMPRESSOR STATION | Pass | State |
| 2025-05-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ROBINSON COMPRESSOR STATION | Pass | State |
| 2025-04-09 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / DART COMPRESSOR STATION | Pass | State |
| 2025-04-07 | ENLINK MIDSTREAM SERVICES LLC / CHERRY COMPRESSOR STATION | Pass | State |
| 2025-03-28 | CRAWLEY PETROLEUM CORP / RHEA 2 33MHX | Pass | State |
| 2025-03-27 | CRAWLEY PETROLEUM CORP / HEWITT 1 28MH 1 33MH | Pass | State |
| 2025-03-27 | CRAWLEY PETROLEUM CORP / KENNETH 1 34MH | Pass | State |
| 2025-03-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ROBINSON COMPRESSOR STATION | Pass | State |
| 2025-02-13 | TALL OAK MIDCON LLC / PENDLETON COMPRESSOR FACILITY | Pass | State |
| 2025-02-12 | TALL OAK MIDCON LLC / PENDLETON COMPRESSOR FACILITY | Pass | State |
| 2025-02-06 | GREAT HORNED OWLS LLC / WALLEYE 1 23HC WALLEYE 2 23HT | Pass | State |
| 2025-02-06 | GREAT HORNED OWLS LLC / ROSA 1 24HT | Pass | State |
| 2025-01-09 | ONEOK GAS TRANSPORTATION LLC / THUNDER PLAINS COMPRESSOR STATION | Pass | State |
| 2025-01-08 | ONEOK GAS TRANSPORTATION LLC / THUNDER PLAINS COMPRESSOR STATION | Pass | State |
| 2025-01-08 | ONEOK GAS TRANSPORTATION LLC / THUNDER PLAINS COMPRESSOR STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.