EPA Air · stack tests by county and year
Air-emissions stack tests in Campbell County, Wyoming, 2025
- 398Stack 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 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 Campbell County facility page.
Campbell County, Wyoming, 2025
- Inspections 10
Air-emissions stack tests in Campbell County, other years
Air-emissions stack tests recorded in Campbell County, Wyoming, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-08 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-10-01 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-10-01 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-10-01 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-10-01 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-30 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-30 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-30 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-30 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-29 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-24 | ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES) | Pass | State |
| 2025-09-19 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2025-09-19 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2025-09-19 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-16 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | Pass | State |
| 2025-09-11 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-11 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-11 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-11 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | Pass | State |
| 2025-09-11 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2025-09-11 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2025-09-11 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2025-09-11 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2025-09-10 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-10 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-10 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-10 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2025-09-10 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2025-09-09 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2025-09-08 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-08 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-08 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-09-08 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-21 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-12 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-12 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-12 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-12 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-11 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-06 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-05 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-05 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-05 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-05 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-05 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2025-08-05 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.