EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Wyoming, 2023
- 46Stack 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 2023 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, 2023
- Pipeline transportation (NAICS 4862) 279
- Oil and gas extraction (NAICS 2111) 136
- Mining and quarrying (NAICS 2123) 98
- Pipeline transportation (NAICS 4869) 32
- Petroleum and coal products manufacturing (NAICS 3241) 26
- Mining support (NAICS 2131) 21
- Chemical manufacturing (NAICS 3253) 11
- Hospitals (NAICS 6221) 7
- Heavy and civil engineering construction (NAICS 2371) 7
- Nonmetallic mineral product manufacturing (NAICS 3274) 3
Air-emissions stack tests recorded in Wyoming, 2023
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2023-12-14 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-12-14 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-11-16 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-11-15 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-11-15 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-10-06 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-10-06 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-10-06 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-10-06 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-09-27 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2023-09-27 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2023-09-26 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2023-09-26 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2023-09-26 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2023-09-26 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2023-09-14 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2023-09-14 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2023-09-12 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2023-09-12 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2023-09-12 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2023-09-08 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-09-07 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-09-07 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-08-31 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-07-25 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2023-06-20 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-06-16 | NEIL SIMPSON COMPLEX (BLACK HILLS CORPORATION) | GILLETTE, Campbell, WY | Pass | State |
| 2023-06-15 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-05-16 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | Pass | State |
| 2023-05-02 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-05-01 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-04-30 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2023-04-24 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | GILLETTE, Campbell, WY | Pass | State |
| 2023-04-19 | WYODAK PLANT (PACIFICORP) | GILLETTE, Campbell, WY | Pass | State |
| 2023-03-31 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2023-03-10 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-03-09 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-03-09 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-03-09 | DAVE JOHNSTON (PACIFICORP) | GLENROCK, Converse, WY | Pass | State |
| 2023-03-09 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2023-03-01 | 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.