EPA Air · violations by county and year
High-priority air violations in Yellowstone County, Montana, 2018
- 6Violations
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. Each row below is one violation recorded against a source in Yellowstone County, Montana during 2018. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Yellowstone County facility page.
Yellowstone County, Montana, 2018
High-priority air violations in Yellowstone County, other years
- 2017 9
High-priority air violations recorded in Yellowstone County, Montana, 2018
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2018-07-31 | BILLINGS REFINERY | Earliest FRV determination | State |
| 2018-05-29 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | HPV day-zero determination | State |
| 2018-04-19 | BILLINGS REFINERY | Earliest FRV determination | State |
| 2018-03-14 | WESTERN SUGAR COOPERATIVE — high-priority violation on file | HPV day-zero determination | State |
| 2018-01-12 | BILLINGS REFINERY | Earliest FRV determination | State |
| 2018-01-01 | PAR MONTANA BILLINGS REFINERY | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.