EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Wyoming, 2020
- 21Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2020 at a Wyoming source whose primary industry code is NAICS 2211. A facility filing more than one industry code is counted under the first one on its record.
Utilities (NAICS 2211) in Wyoming, other years
Other industries in Wyoming, 2020
- Pipeline transportation (NAICS 4862) 87
- Mining and quarrying (NAICS 2123) 42
- Petroleum and coal products manufacturing (NAICS 3241) 26
- Oil and gas extraction (NAICS 2111) 24
- Nonmetallic mineral product manufacturing (NAICS 3274) 10
- Pipeline transportation (NAICS 4869) 8
- Chemical manufacturing (NAICS 3253) 5
- Mining support (NAICS 2131) 4
- Nonmetallic mineral product manufacturing (NAICS 3273) 3
Air-emissions stack tests recorded in Wyoming, 2020
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2020-12-07 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2020-11-18 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2020-11-04 | WYODAK PLANT (PACIFICORP) | GILLETTE, Campbell, WY | Pass | State |
| 2020-10-22 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2020-10-13 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-10-13 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-09-18 | WYGEN II POWER STATION (OWNER: CHEYENNE LIGHT FUEL AND POWER) | GILLETTE, Campbell, WY | Pass | State |
| 2020-09-15 | WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING) | GILLETTE, Campbell, WY | Pass | State |
| 2020-09-03 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2020-08-12 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2020-08-03 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-07-24 | WYGEN II POWER STATION (OWNER: CHEYENNE LIGHT FUEL AND POWER) | GILLETTE, Campbell, WY | Pass | State |
| 2020-07-22 | WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING) | GILLETTE, Campbell, WY | Pass | State |
| 2020-07-22 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2020-06-26 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-06-26 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2020-06-18 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2020-05-29 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2020-05-14 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | GILLETTE, Campbell, WY | Pass | State |
| 2020-03-25 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2020-01-29 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.