EPA Air · inspections by county and year
Air-emissions inspections in Houghton County, Michigan, 2025
- 3Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row below is one inspection recorded against a source in Houghton County, Michigan 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 Houghton County facility page.
Air-emissions inspections in Houghton County, other years
Air-emissions inspections recorded in Houghton County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-18 | WARM RAIN CORPORATION | PCE On-Site | State |
| 2025-04-24 | MICHIGAN TECHNOLOGICAL UNIVERSITY | FCE On-Site | State |
| 2025-04-24 | MICHIGAN TECHNOLOGICAL UNIVERSITY | PCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.