EPA Air · inspections by state, industry and year
Mining and quarrying (NAICS 2123): inspections in Wyoming, 2025
- 10Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2025 at a Wyoming source whose primary industry code is NAICS 2123. A facility filing more than one industry code is counted under the first one on its record.
Mining and quarrying (NAICS 2123) in Wyoming, other years
Other industries in Wyoming, 2025
- Pipeline transportation (NAICS 4862) 25
- Oil and gas extraction (NAICS 2111) 12
- Petroleum and coal products manufacturing (NAICS 3241) 5
- Utilities (NAICS 2211) 3
Air-emissions inspections recorded in Wyoming, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-09-29 | MILLS COMPLEX (BLACK HILLS BENTONITE LLC) | MILLS, Natrona, WY | FCE On-Site | State |
| 2025-09-16 | COLONY EAST AND WEST PLANTS (AMERICAN COLLOID COMPANY) | COLONY, Crook, WY | FCE On-Site | State |
| 2025-08-20 | LOVELL GRINDING PLANT (BENTONITE PERFORMANCE MINERALS) | LOVELL, Big Horn, WY | FCE On-Site | State |
| 2025-08-20 | GRANGER SODA ASH FACILITY (WE SODA WYOMING LP) | GRANGER, Sweetwater, WY | FCE On-Site | State |
| 2025-07-30 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2025-07-23 | LOVELL PLANT (AMERICAN COLLOID CO) | LOVELL, Big Horn, WY | FCE On-Site | State |
| 2025-07-17 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2025-07-09 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2025-06-17 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2025-02-13 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | PCE On-Site | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.