EPA Air · inspections by state and year
Air-emissions inspections in Wyoming, 2026
- 41Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in Wyoming during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Wyoming, 2026
Wyoming, other years
Air-emissions inspections recorded in Wyoming, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-08-25 | SAND DRAW LANDFILL (FREMONT COUNTY SOLID WASTE DISPOSAL DISTRICT) | RIVERTON, Fremont, WY | FCE On-Site | State |
| 2026-08-25 | CHEYENNE SANITARY LANDFILL #1 (CITY OF CHEYENNE) | CHEYENNE, Laramie, WY | FCE On-Site | State |
| 2026-08-18 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | CAMPBELL COUNTY, Campbell, WY | FCE On-Site | State |
| 2026-08-18 | AUGUSTA-PEBBLE BEACH COMPRESSOR STATION (PRONGHORN MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | FCE On-Site | State |
| 2026-08-17 | CHEYENNE PRAIRIE GENERATING STATION (CHEYENNE LIGHT FUEL & POWER) | CHEYENNE, Laramie, WY | FCE On-Site | State |
| 2026-08-17 | GRANGER SODA ASH FACILITY (WE SODA WYOMING LP) | GRANGER, Sweetwater, WY | FCE On-Site | State |
| 2026-08-05 | LOVELL PLANT (GEORGIA-PACIFIC GYPSUM) | LOVELL, Big Horn, WY | FCE On-Site | State |
| 2026-07-30 | MARBLETON #2 LANDFILL | SUBLETTE COUNTY, Sublette, WY | FCE On-Site | State |
| 2026-07-22 | FALCON COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING COMPANY, LLC) | SUBLETTE COUNTY, Sublette, WY | FCE On-Site | State |
| 2026-07-22 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2026-07-20 | BLACKS FORK GAS PLANT (HARVEST MIDSTREAM COMPANY) | GRANGER, Sweetwater, WY | FCE On-Site | State |
| 2026-07-15 | GUERNSEY COMPRESSOR STATION (TALLGRASS INTERSTATE GAS TRANSMISSION) | PLATTE COUNTY, Platte, WY | FCE On-Site | State |
| 2026-07-15 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2026-07-08 | LARAMIE COMPRESSOR STATION (COLORADO INTERSTATE GAS) | LARAMIE, Albany, WY | FCE On-Site | State |
| 2026-07-07 | GREYBULL PLANT (WYO-BEN, INC.) | GREYBULL, Big Horn, WY | FCE On-Site | State |
| 2026-07-07 | COLONY PLANT (BENTONITE PERFORMANCE MINERALS) | COLONY, Crook, WY | FCE On-Site | State |
| 2026-06-23 | STEAMBOAT BUTTE E5 TANK BATTERY | KINNEAR, Fremont, WY | FCE On-Site | U.S. EPA |
| 2026-06-23 | STEAMBOAT BUTTE C1/C3 TANK BATTERY | RIVERTON, Fremont, WY | FCE On-Site | U.S. EPA |
| 2026-06-18 | HARTZOG GENERATION STATION (BASIN ELECTRIC POWER COOP) | CAMPBELL COUNTY, Campbell, WY | FCE On-Site | State |
| 2026-06-18 | ARVADA GENERATION STATION (BASIN ELECTRIC POWER COOP) | CAMPBELL COUNTY, Campbell, WY | FCE On-Site | State |
| 2026-06-16 | BARBER CREEK GENERATION STATION (BASIN ELECTRIC POWER COOP) | CAMPBELL COUNTY, Campbell, WY | FCE On-Site | State |
| 2026-06-16 | PINEDALE COMPLEX (HARVEST MIDSTREAM COMPANY) | SUBLETTE COUNTY, Sublette, WY | FCE On-Site | State |
| 2026-06-11 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | GILLETTE, Campbell, WY | FCE On-Site | State |
| 2026-06-04 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2026-06-04 | ROCK SPRINGS FERTILIZER COMPLEX (SIMPLOT PHOSPHATES) | ROCK SPRINGS, Sweetwater, WY | FCE On-Site | State |
| 2026-05-20 | CAMPBELL COUNTY LANDFILL NO. 2 | CAMPBELL COUNTY, Campbell, WY | FCE On-Site | State |
| 2026-05-19 | WORLAND COMPRESSOR STATION (WBI ENERGY TRANSMISSION) | WORLAND, Washakie, WY | FCE On-Site | State |
| 2026-05-07 | NEWCASTLE REFINERY (WYOMING REFINING CO) | NEWCASTLE, Weston, WY | FCE On-Site | State |
| 2026-05-06 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2026-05-06 | CKN-ROCK SPRINGS STATION (MOUNTAIN WEST PIPELINE, LLC) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2026-05-05 | WYODAK PLANT (PACIFICORP) | GILLETTE, Campbell, WY | FCE On-Site | State |
| 2026-05-05 | ELK BASIN GAS PLANT (BROTHERS PETROLEUM LLC) | PARK COUNTY, Park, WY | FCE On-Site | State |
| 2026-04-22 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | CHEYENNE, Laramie, WY | FCE On-Site | State |
| 2026-04-08 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2026-03-31 | EASTERN LARAMIE COUNTY LANDFILL (EASTERN LARAMIE COUNTY SOLID WASTE DISTRICT) | BURNS, Laramie, WY | FCE On-Site | State |
| 2026-03-19 | JONATHON LIME PLANT & LIME KILN DUST LANDFILL (PETE LIEN & SONS INC) | ALBANY COUNTY, Albany, WY | FCE On-Site | State |
| 2026-03-04 | BEAVER CREEK COMPRESSOR STATION (DENBURY ONSHORE, LLC) | RIVERTON, Fremont, WY | FCE On-Site | State |
| 2026-03-04 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | FCE On-Site | State |
| 2026-02-04 | GREEN RIVER SODIUM PRODUCTS PLANT (CHURCH & DWIGHT INC) | SWEETWATER COUNTY, Sweetwater, WY | FCE On-Site | State |
| 2026-02-03 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | PCE On-Site | State |
| 2026-01-29 | WAMSUTTER COMPRESSOR STATION (COLORADO INTERSTATE GAS) | WAMSUTTER, Sweetwater, WY | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.