EPA Air · by county
Air-emissions sources in Park County, Wyoming
- 25Facilities
Every stationary source in Park 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 Park 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 Park 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
- 2023 — inspections 7
- 2021 — inspections 4
- 2019 — inspections 3
- 2018 — inspections 3
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ALTHOFF (CT-806) | Minor source | No |
| CERTAINTEED GYPSUM CODY WALLBOARD PLANT | Minor source | No |
| CODY LUMBER | Minor source | No |
| CODY OIL | Minor source | No |
| DOW ACRYLAMIDE | Minor source | No |
| ELK BASIN COMPRESSOR STATION (COLORADO INTERSTATE GAS) | Major source | No |
| ELK BASIN GAS PLANT (BROTHERS PETROLEUM LLC) | Major source | No |
| FRANNIE LIME PLANT (DAKOTA COAL) | Major source | No |
| HALFMOON BATTERY (BARETO ENERGY LLC) | Major source | No |
| HEART MOUNTAIN COMPRESSOR STATION (RICHARDSON OPERATING COMPANY) | Minor source | No |
| KYLANDER CT-184 | Minor source | No |
| MARATHON OIL CO OREGON BASIN WELL FIELD | Minor source | No |
| MARATHON TANK CT-290 | Minor source | No |
| OREGON BASIN - POLYACRYLAMIDE PLANT (MERIT ENERGY COMPANY) | Minor source | No |
| OREGON BASIN FIELD GENERATION PLANT (MERIT ENERGY COMPANY) | Major source | No |
| OREGON BASIN GAS PLANT (MERIT ENERGY COMPANY) | Major source | No |
| PARK COUNTY MATERIALS (CT-943) | Minor source | No |
| PHELPS TANK BATTERY (MERIT ENERGY COMPANY) | Minor source | No |
| PITCHFORK BATTERY (MERIT ENERGY COMPANY) | Minor source | No |
| PURVIS SEPTIC TANK SERVICE | Minor source | No |
| RALSTON PROCESSING ASSOCIATES | Minor source | No |
| ROCKY MOUNTAIN PIPELINE - OREGON BASIN | Minor source | No |
| SPRING CREEK BATTERY (MERIT ENERGY COMPANY) | Minor source | No |
| WBI ENERGY-ELK BASIN COMPRESSOR STATION | Minor source | No |
| WINDSOR ENERGY GROUP BENNETT CREEK CENTR | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.