EPA Air · nonattainment areas, by county
Air-emissions sources in Yellowstone County, Montana
- 24Facilities
Yellowstone County, Montana is designated nonattainment or maintenance for at least one national ambient air-quality standard, so a new or expanding source here faces stricter permitting than the same source would in a county that meets every standard. The designation belongs to the county, not to any facility on this page.
By emissions classification in Yellowstone County
- Minor source 12
- Major source 10
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AIR CONTROLS CO. | Minor source | No |
| BILLINGS BAKERY | Synthetic minor source | No |
| BILLINGS CITY LANDFILL | Minor source | No |
| BILLINGS REFINERY | Major source | No |
| BILLINGS TRANSPORTATION OPERATIONS | Major source | No |
| BROWN'S AUTO SERVICE | Minor source | No |
| BUREAU INDIAN AFFAIRS (BIA) ASPHALT PLNT | Minor source | No |
| C&L TRUCK REPAIR | Minor source | No |
| CARL WEISSMAN & SONS | Minor source | No |
| CHS INC REFINERY LAUREL | Major source | No |
| CITY OF BILLINGS REGIONAL LANDFILL | Major source | No |
| GENSCO, INC. | Minor source | No |
| GOLDEN RECYCLING | Minor source | No |
| JIM'S QUALITY APPLIANCE | Minor source | No |
| MONTANA SULPHUR & CHEMICAL | Major source | No |
| PACIFIC RECYCLING | Minor source | No |
| PAR MONTANA BILLINGS REFINERY | Major source | No |
| PAR MONTANA BULK TERMINAL | Major source | No |
| POLY CONOCO AUTO REPAIR | Minor source | No |
| PRO TECH MECHANICAL INC. | Minor source | No |
| TRUENORTH STEEL - BILLINGS | Synthetic minor source | No |
| WESTERN SUGAR COOPERATIVE | Major source | Yes |
| YELLOWSTONE COUNTY GENERATING STATION | Major source | No |
| YELLOWSTONE POWER PLANT | Major source | Yes |
Designation from EPA’s Green Book national nonattainment dataset, joined on state and county. Figures from EPA’s ICIS-AIR download.