EPA Air · by state
Sources with a high-priority air violation in Montana
- 5Facilities
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a stationary source. This is the STATUS EPA carries on the facility record today — whether the violation is unaddressed, addressed by the state, the local agency or EPA itself — not a history. The year-by-year record of when violations were determined is linked below.
Violations determined in Montana, by year
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| CALUMET MONTANA REFINING | Major source | Yes |
| WESTERN SUGAR COOPERATIVE | Major source | Yes |
| WEYERHAEUSER-CFALLS | Major source | Yes |
| WEYERHAEUSER-EVERGREEN | Major source | Yes |
| YELLOWSTONE POWER PLANT | Major source | Yes |
Violation status as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for state MT that are high-priority violators. It lists 4 facilities in MT on the high-priority violator list, addressed or unaddressed, and 167 all facilities in MT.