EPA Air · stack tests by county and year
Air-emissions stack tests in Johnson County, Wyoming, 2021
- 10Stack 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 Johnson County, Wyoming during 2021. 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 Johnson County facility page.
Air-emissions stack tests in Johnson County, other years
Air-emissions stack tests recorded in Johnson County, Wyoming, 2021
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2021-12-01 | TABLE MOUNTAIN - CHAIR COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2021-11-04 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | Pass | State |
| 2021-09-14 | FLETCHER/TERHUNE (POWDER RIVER MIDSTREAM, LLC) | Pass | State |
| 2021-08-18 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | Pass | State |
| 2021-06-25 | TABLE MOUNTAIN - CHAIR COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2021-06-03 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | Pass | State |
| 2021-04-14 | AUGUSTA-PEBBLE BEACH COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2021-02-24 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | Pass | State |
| 2021-02-23 | TABLE MOUNTAIN - CHAIR COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | Pass | State |
| 2021-01-19 | TABLE MOUNTAIN - CHAIR COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.