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 |
|---|---|---|---|
| 2026-08-19 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-19 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-19 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-19 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-18 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-18 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-18 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-18 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-17 | CROSSBOW COMPRESSOR STATION (THUNDER CREEK GAS SERVICES, LLC) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-10 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-04 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-03 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-03 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-03 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-08-03 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-29 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-29 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-29 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-29 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-23 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-23 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-23 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-23 | MARY'S DRAW (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-22 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-22 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-22 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-16 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-16 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-16 | HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-07-07 | BOLT 35 COMPRESSOR STATION (EOG RESOURCES, INC.) | Pass | State |
| 2026-06-26 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2026-06-26 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | Pass | State |
| 2026-06-22 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-06-22 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-06-22 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-06-22 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-06-12 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-12 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-12 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-10 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-10 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-10 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-10 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-10 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-10 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-09 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-09 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-09 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2026-06-02 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-06-02 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-06-02 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-06-02 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-05-28 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-05-28 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-05-28 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
| 2026-05-28 | HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.