EPA Air · stack tests by state, industry and year
Heavy and civil engineering construction (NAICS 2371): stack tests in Wyoming, 2025
- 3Stack 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 2025 at a Wyoming source whose primary industry code is NAICS 2371. A facility filing more than one industry code is counted under the first one on its record.
Heavy and civil engineering construction (NAICS 2371) in Wyoming, other years
Other industries in Wyoming, 2025
- Pipeline transportation (NAICS 4862) 593
- Oil and gas extraction (NAICS 2111) 278
- Nonmetallic mineral product manufacturing (NAICS 3274) 109
- Mining and quarrying (NAICS 2123) 100
- Utilities (NAICS 2211) 68
- Pipeline transportation (NAICS 4869) 62
- Publishing industries (NAICS 5112) 48
- Petroleum and coal products manufacturing (NAICS 3241) 38
- Mining support (NAICS 2131) 30
- Chemical manufacturing (NAICS 3253) 17
- Nonmetallic mineral product manufacturing (NAICS 3273) 12
- Food manufacturing (NAICS 3113) 4
Air-emissions stack tests recorded in Wyoming, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-05-07 | DRY WILLOW WATER PUMP STATION (POWDER RIVER MIDSTREAM, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2025-05-07 | DRY WILLOW WATER PUMP STATION (POWDER RIVER MIDSTREAM, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2025-05-07 | DRY WILLOW WATER PUMP STATION (POWDER RIVER MIDSTREAM, LLC) | CAMPBELL COUNTY, Campbell, 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.