EPA Air · by county
Air-emissions sources in Ontonagon County, Michigan
- 4Facilities
Every stationary source in Ontonagon County, Michigan that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
Inspections in Ontonagon County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 3
- 2024 — inspections 3
- 2022 — inspections 6
- 2020 — inspections 4
- 2018 — inspections 4
Other counties in Michigan
Every county in the state with at least three sources on file.
- Midland County 28
- Missaukee County 8
- Monroe County 40
- Montcalm County 19
- Montmorency County 71
- Muskegon County 61
- Newaygo County 9
- Oakland County 245
- Oceana County 4
- Ogemaw County 8
- Osceola County 13
- Oscoda County 10
- Otsego County 143
- Ottawa County 82
- Presque Isle County 7
- Saginaw County 38
- Sanilac County 14
- Schoolcraft County 5
- Shiawassee County 20
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| K & W LANDFILL INC | Major source | No |
| MATHY CONSTRUCTION CO PLANT 15 | Synthetic minor source | No |
| WHITE PINE COPPER REFINERY INC | Major source | No |
| WHITE PINE ELECTRIC POWER LLC | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.