EPA Air · stack tests by county and year
Air-emissions stack tests in Woodward 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 Woodward 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 Woodward County facility page.
Woodward County, Oklahoma, 2025
Air-emissions stack tests in Woodward County, other years
Air-emissions stack tests recorded in Woodward County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-07-17 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | Pass | State |
| 2025-05-06 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / QUINLAN COMPRESSOR STATION | Pass | State |
| 2025-05-06 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | Pass | State |
| 2025-05-06 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | Pass | State |
| 2025-05-05 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | Pass | State |
| 2025-05-05 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | Pass | State |
| 2025-05-01 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | Pass | State |
| 2025-05-01 | REDCLIFF MIDSTREAM LLC / REDCLIFF PLANT | Pass | State |
| 2025-04-07 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / FREEDOM COMPRESSOR STATION | Pass | State |
| 2025-03-05 | TARGA PIPELINE MIDCONTINENT WESTOK LLC / WALKER COMPRESSOR STATION | Pass | State |
| 2025-02-27 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | Pass | State |
| 2025-02-27 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | Pass | State |
| 2025-02-10 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | Pass | State |
| 2025-02-10 | DCP OPERATING CO LP / CIMARRON NATURAL GAS PROCESSING PLANT — high-priority violation on file | Pass | State |
| 2025-02-04 | TERRA INTL OKLAHOMA LLC / WOODWARD COMPLEX | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.