EPA Air · by county
Air-emissions sources in Crook County, Wyoming
- 11Facilities
Every stationary source in Crook 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 Crook 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 Crook 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.
- 2025 — inspections 3
- 2022 — inspections 3
- 2021 — inspections 3
- 2020 — inspections 3
- 2018 — inspections 4
- 2017 — inspections 3
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| BELLE FOURCHE PIPELINE CO - MELLOTT STAN | Minor source | No |
| COLONY EAST AND WEST PLANTS (AMERICAN COLLOID COMPANY) | Major source | No |
| COLONY PLANT (BENTONITE PERFORMANCE MINERALS) | Major source | No |
| DONKEY CREEK STATION (BELLE FOURCHE PIPELINE) | Synthetic minor source | No |
| EIGHTY EIGHT OIL HULETT 2 | Minor source | No |
| EIGHTY-EIGHT OIL REYNOLDS | Minor source | No |
| FISHER SAND & GRAVEL(CT-926) | Minor source | No |
| HILL MATERIALS - CT-587 LIMESTONE QUARRY | Minor source | No |
| HULETT MILL (NEIMAN SAWMILL) | Major source | No |
| HULETT POST AND POLE, INC | Minor source | No |
| JOHN'S REFRIGERATION SERVICE | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.