Velarion Records

The 340B register and hospital finances — joined, watched daily, delivered.

EPA Air · stack tests by county and year

Air-emissions stack tests in Campbell County, Wyoming, 2025

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

Air-emissions stack tests in Campbell County, other years

Air-emissions stack tests recorded in Campbell County, Wyoming, 2025

DateFacilityKindAgency
2025-04-14MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-04-14MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-04-14MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-04-14MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-04-14MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-04-14MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-04-14MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-04-08LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-04-08LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-04-08LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-04-08LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-03-12MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC)PassState
2025-03-12MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC)PassState
2025-03-10HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-03-10HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-03-10HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-03-05WYODAK PLANT (PACIFICORP)PassState
2025-03-03LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-03-03LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-03-03LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-03-03LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-24HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-18MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-02-18MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-02-18MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-02-18MARY'S DRAW (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-11LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-10DRY FORK STATION (BASIN ELECTRIC POWER COOP)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-06HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-05HATCHET COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-04HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-02-03ANTELOPE HILLS COMPRESSOR STATION (EOG RESOURCES)PassState
2025-01-09HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-01-09HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-01-09HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)PassState
2025-01-06LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-01-06LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-01-06LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
2025-01-06LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)PassState
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.