EPA Air · stack tests by county and year
Air-emissions stack tests in Logan County, Oklahoma, 2025
- 7Stack 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 Logan 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 Logan County facility page.
Logan County, Oklahoma, 2025
Air-emissions stack tests in Logan County, other years
Air-emissions stack tests recorded in Logan County, Oklahoma, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-08-26 | SUPERIOR MIDSTREAM LLC / CASHION NORTH BOOSTER STATION (WASWO) | Pass | State |
| 2025-08-25 | SUPERIOR MIDSTREAM LLC / CASHION NORTH BOOSTER STATION (WASWO) | Pass | State |
| 2025-04-10 | ONEOK GAS STORAGE LLC / WEST EDMOND STATION | Pass | State |
| 2025-02-14 | VALIDUS ENERGY II MIDCON LLC / POLLARD 8 PAD | Pass | State |
| 2025-01-17 | CHISHOLM OIL AND GAS OPERATING LLC / PINTAIL 2 21H 2 21 28H | Pass | State |
| 2025-01-17 | CHISHOLM OIL AND GAS OPERATING LLC / POLLARD 1 16H | Pass | State |
| 2025-01-07 | CHISHOLM OIL AND GAS OPERATING LLC / WINCHESTER 1 30H | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.