EPA Air · violations by state and year
High-priority air violations in Montana, 2019
- 3Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Every violation below was recorded against a source in Montana during 2019; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Montana, other years
High-priority air violations recorded in Montana, 2019
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2019-10-10 | PAR MONTANA BILLINGS REFINERY | BILLINGS, Yellowstone, MT | Earliest FRV determination | State |
| 2019-06-30 | TRIDENT | THREE FORKS, Gallatin, MT | Earliest FRV determination | State |
| 2019-04-30 | CALUMET MONTANA REFINING — high-priority violation on file | GREAT FALLS, Cascade, MT | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.