EPA Air · inspections by county and year
Air-emissions inspections in Sweetwater County, Wyoming, 2026
- 12Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Sweetwater County, Wyoming during 2026. 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 Sweetwater County facility page.
Sweetwater County, Wyoming, 2026
- Stack tests 129
Air-emissions inspections in Sweetwater County, other years
Air-emissions inspections recorded in Sweetwater County, Wyoming, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-17 | GRANGER SODA ASH FACILITY (WE SODA WYOMING LP) | FCE On-Site | State |
| 2026-07-22 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | FCE On-Site | State |
| 2026-07-20 | BLACKS FORK GAS PLANT (HARVEST MIDSTREAM COMPANY) | FCE On-Site | State |
| 2026-07-15 | WESTVACO FACILITY (WE SODA WYOMING LP) | FCE On-Site | State |
| 2026-06-04 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | FCE On-Site | State |
| 2026-06-04 | ROCK SPRINGS FERTILIZER COMPLEX (SIMPLOT PHOSPHATES) | FCE On-Site | State |
| 2026-05-06 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | FCE On-Site | State |
| 2026-05-06 | CKN-ROCK SPRINGS STATION (MOUNTAIN WEST PIPELINE, LLC) | FCE On-Site | State |
| 2026-04-08 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | FCE On-Site | State |
| 2026-02-04 | GREEN RIVER SODIUM PRODUCTS PLANT (CHURCH & DWIGHT INC) | FCE On-Site | State |
| 2026-02-03 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | PCE On-Site | State |
| 2026-01-29 | WAMSUTTER COMPRESSOR STATION (COLORADO INTERSTATE GAS) | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.