EPA Air · violations by county and year
High-priority air violations in St. Louis County, Minnesota, 2025
- 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. Each row below is one violation recorded against a source in St. Louis County, Minnesota during 2025. 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 St. Louis County facility page.
St. Louis County, Minnesota, 2025
- Inspections 20
- Stack tests 19
High-priority air violations in St. Louis County, other years
High-priority air violations recorded in St. Louis County, Minnesota, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-07-09 | HIBBING TACONITE CO | Earliest FRV determination | State |
| 2025-06-26 | HIBBING PUBLIC UTILITIES COMMISSION | Earliest FRV determination | State |
| 2025-03-20 | MINNESOTA POWER - HIBBARD RENEWABLE ENERGY CENTER | Earliest FRV determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.