EPA Air · nonattainment areas, by county
Air-emissions sources in Lewis and Clark County, Montana
- 13Facilities
Lewis and Clark 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 Lewis and Clark County
- Minor source 10
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ACE AUTO REPAIR | Minor source | No |
| AIR LIQUIDE | Minor source | No |
| ASSOCIATED FOOD STORES, INC. | Minor source | No |
| AUGUSTA MAIN LINE #3 (STA 051) | Synthetic minor source | No |
| BURLINGTON-NORTHERN RAILROAD | Minor source | No |
| CITY OF HELENA TRANSFER STATION | Minor source | No |
| COMMTECH SERVICES, INC. | Minor source | No |
| HELENA PRODUCT TERMINAL | Synthetic minor source | No |
| LEE'S REFRIGERATION | Minor source | No |
| LEWIS & CLARK COUNTY LANDFILL | Minor source | No |
| LEWIS AND CLARK COUNTY LANDFILL | Major source | No |
| PACIFIC STEEL/HIDES/FURS RECYCLING | Minor source | No |
| QUEEN CITY ICE PALACE | Minor source | No |
Designation from EPA’s Green Book national nonattainment dataset, joined on state and county. Figures from EPA’s ICIS-AIR download.