EPA Air · inspections by state, industry and year
Mining and quarrying (NAICS 2122): inspections in Minnesota, 2025
- 5Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2025 at a Minnesota source whose primary industry code is NAICS 2122. A facility filing more than one industry code is counted under the first one on its record.
Mining and quarrying (NAICS 2122) in Minnesota, other years
Other industries in Minnesota, 2025
- Utilities (NAICS 2211) 28
- Pipeline transportation (NAICS 4862) 14
- Primary metal manufacturing (NAICS 3315) 11
- Chemical manufacturing (NAICS 3251) 10
- Petroleum and coal products manufacturing (NAICS 3241) 10
- Mining and quarrying (NAICS 2123) 10
- Food manufacturing (NAICS 3112) 7
- Repair and maintenance (NAICS 8111) 7
- Plastics and rubber products manufacturing (NAICS 3261) 7
- Waste management and remediation (NAICS 5622) 6
- Paper manufacturing (NAICS 3221) 6
- Fabricated metal product manufacturing (NAICS 3328) 5
- Furniture and related product manufacturing (NAICS 3371) 5
- Nonmetallic mineral product manufacturing (NAICS 3273) 5
- Transportation equipment manufacturing (NAICS 3362) 5
- Personal and laundry services (NAICS 8123) 4
- Utilities (NAICS 2213) 4
- Primary metal manufacturing (NAICS 3313) 4
- Paper manufacturing (NAICS 3222) 4
- Food manufacturing (NAICS 3111) 3
- Fabricated metal product manufacturing (NAICS 3323) 3
- Transportation equipment manufacturing (NAICS 3369) 3
- Merchant wholesalers, nondurable goods (NAICS 4245) 3
- Food manufacturing (NAICS 3113) 3
- Motor vehicle and parts dealers (NAICS 4411) 3
Air-emissions inspections recorded in Minnesota, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-10-17 | MESABI METALLICS CO LLC — high-priority violation on file | NASHWAUK, Itasca, MN | PCE Off-Site | State |
| 2025-09-04 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | FCE On-Site | State |
| 2025-07-31 | NEWRANGE COPPER NICKEL LLC - NORTHMET PROJECT | HOYT LAKES, St. Louis, MN | FCE On-Site | State |
| 2025-07-09 | HIBBING TACONITE CO | HIBBING, St. Louis, MN | FCE On-Site | State |
| 2025-05-29 | MAGIRON LLC PLANT 4 | GRAND RAPIDS, Itasca, MN | FCE On-Site | State |
Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.