EPA Air · stack tests by county and year
Air-emissions stack tests in Major County, Oklahoma, 2025
- 15Stack 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 Major 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 Major County facility page.
Air-emissions stack tests in Major County, other years
Air-emissions stack tests recorded in Major County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-07-15 | TALL OAK MIDCON LLC / JEFFERSON COMPRESSOR FACILITY | Pass | State |
| 2025-07-15 | TALL OAK MIDCON LLC / JEFFERSON COMPRESSOR FACILITY | Pass | State |
| 2025-07-09 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / CANTON COMPRESSOR STATION | Pass | State |
| 2025-06-10 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ORIENTA COMPRESSOR STATION | Pass | State |
| 2025-06-10 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ORIENTA COMPRESSOR STATION | Pass | State |
| 2025-05-19 | MUSTANG GAS PRODUCTS LLC / SILVER LAKE GAS PLANT | Pass | State |
| 2025-05-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / FISHER COMPRESSOR STATION | Pass | State |
| 2025-05-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / FISHER COMPRESSOR STATION | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / CANTON COMPRESSOR STATION | Pass | State |
| 2025-04-17 | DCP OPERATING CO LP / RATTLESNAKE BOOSTER STATION | Pass | State |
| 2025-04-09 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / CANTON COMPRESSOR STATION | Pass | State |
| 2025-04-08 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ORIENTA COMPRESSOR STATION | Pass | State |
| 2025-04-08 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / ORIENTA COMPRESSOR STATION | Pass | State |
| 2025-04-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / FISHER COMPRESSOR STATION | Pass | State |
| 2025-03-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / FISHER COMPRESSOR STATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.