EPA Air · by county
Air-emissions sources in Big Horn County, Wyoming
- 15Facilities
Every stationary source in Big Horn County, Wyoming that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Big Horn County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Big Horn County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2024 — inspections 3
- 2022 — inspections 4
- 2020 — inspections 3
- 2018 — inspections 3
- 2017 — inspections 4
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AINSWORTH FLARE (NATURAL GAS PROCESSING CO.) | Minor source | No |
| BYRON AND GARLAND GAS FIELDS (MERIT ENERGY COMPANY) | Minor source | No |
| BYRON STATION (RED BUTTE PIPE LINE ) | Synthetic minor source | No |
| DEVON ENGERY PRO. CO. WORLAND FIELD CS | Minor source | No |
| GARLAND GAS PLANT/BYRON (MERIT ENERGY COMPANY) | Minor source | No |
| GREYBULL PLANT (WYO-BEN, INC.) | Major source | No |
| LOVELL COMPRESSOR STATION (WBI ENERGY TRANSMISSION) | Major source | No |
| LOVELL GRINDING PLANT (BENTONITE PERFORMANCE MINERALS) | Major source | No |
| LOVELL PLANT (AMERICAN COLLOID CO) | Major source | No |
| LOVELL PLANT (GEORGIA-PACIFIC GYPSUM) | Major source | No |
| LOVELL PLANT (THE WESTERN SUGAR COOPERATIVE) | Minor source | No |
| NICHOLS/LEWIS CT-252 | Minor source | No |
| NICHOLS/LEWIS CT-640 | Minor source | No |
| WYO-BEN SAGE CREEK | Minor source | No |
| WYO-BEN, INC.-STUCCO PLANT | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.