EPA Air · stack tests by county and year

Air-emissions stack tests in Campbell County, Wyoming, 2020

36Stack 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 2020. 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, 2020

Air-emissions stack tests in Campbell County, other years

Air-emissions stack tests recorded in Campbell County, Wyoming, 2020

Date	Facility	Kind	Agency
2020-12-23	HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)	Pass	State
2020-11-16	HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)	Pass	State
2020-11-04	WYODAK PLANT (PACIFICORP)	Pass	State
2020-11-03	MARY'S DRAW (THUNDER CREEK GAS SERVICES)	Pass	State
2020-09-18	WYGEN II POWER STATION (OWNER: CHEYENNE LIGHT FUEL AND POWER)	Pass	State
2020-09-16	50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC)	Pass	State
2020-09-15	WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING)	Pass	State
2020-09-09	BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.)	Pass	State
2020-09-08	MARY'S DRAW (THUNDER CREEK GAS SERVICES)	Pass	State
2020-09-03	HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-08-31	50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC)	Pass	State
2020-08-27	DRY WILLOW WATER PUMP STATION (POWDER RIVER MIDSTREAM, LLC)	Pass	State
2020-08-25	MARY'S DRAW (THUNDER CREEK GAS SERVICES)	Pass	State
2020-08-12	HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-08-11	LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-08-04	50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC)	Pass	State
2020-07-24	WYGEN II POWER STATION (OWNER: CHEYENNE LIGHT FUEL AND POWER)	Pass	State
2020-07-22	WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING)	Pass	State
2020-07-20	HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-07-01	LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-06-19	HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-06-03	MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC)	Pass	State
2020-05-28	HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)	Pass	State
2020-05-14	DRY FORK STATION (BASIN ELECTRIC POWER COOP)	Pass	State
2020-04-30	MARY'S DRAW (THUNDER CREEK GAS SERVICES)	Pass	State
2020-04-29	MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC)	Pass	State
2020-04-02	HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)	Pass	State
2020-03-18	MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC)	Pass	State
2020-03-18	MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC)	Pass	State
2020-03-04	HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-03-02	LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-02-27	HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)	Pass	State
2020-02-25	MARY'S DRAW (THUNDER CREEK GAS SERVICES)	Pass	State
2020-02-10	HOUSE CREEK MAINLINE COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State
2020-01-23	HILIGHT GAS PLANT (WES POWDER RIVER HOLDINGS LLC)	Pass	State
2020-01-14	LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES)	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.

What this page shows

This page covers Clean Air Act facilities in the EPA air register, listing stack tests in Campbell county, WY, for 2020. It records 36 stack tests for 2020.