EPA Air · stack tests by county and year
Air-emissions stack tests in Campbell County, Wyoming, 2026
- 255Stack 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 Campbell County, Wyoming during 2026. 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 Campbell County facility page.
Campbell County, Wyoming, 2026
Air-emissions stack tests in Campbell County, other years
Air-emissions stack tests recorded in Campbell County, Wyoming, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-02-24 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-24 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-24 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-24 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-24 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-23 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-16 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | Pass | State |
| 2026-02-16 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | Pass | State |
| 2026-02-16 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | Pass | State |
| 2026-02-09 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-09 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-09 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-09 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-04 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-04 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-04 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-04 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-02-03 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-26 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2026-01-22 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-01-22 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-01-22 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-01-22 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-01-06 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-01-06 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-01-06 | HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC) | Pass | State |
| 2026-01-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-01-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-01-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-01-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
PreviousPage 2Page 3 of 3
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.