EPA Air · inspections by county and year
Air-emissions inspections in Monroe County, Michigan, 2025
- 22Inspections
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 Monroe 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 Monroe County facility page.
Monroe County, Michigan, 2025
- Stack tests 18
Air-emissions inspections in Monroe County, other years
Air-emissions inspections recorded in Monroe County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-11 | VIENNA JUNCTION LANDFILL | FCE On-Site | State |
| 2025-10-28 | VIENNA JUNCTION LANDFILL | PCE On-Site | State |
| 2025-09-09 | VIENNA JUNCTION LANDFILL | PCE Off-Site | State |
| 2025-09-08 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | PCE Off-Site | State |
| 2025-08-07 | GERDAU MACSTEEL MONROE MILL — high-priority violation on file | PCE On-Site | State |
| 2025-08-07 | GERDAU MACSTEEL MONROE MILL — high-priority violation on file | FCE On-Site | State |
| 2025-08-07 | TMS INTERNATIONAL, LLC | FCE On-Site | State |
| 2025-08-07 | TMS INTERNATIONAL, LLC | PCE On-Site | State |
| 2025-07-31 | MARATHON PIPE LINE LLC (SAMARIA) | FCE On-Site | State |
| 2025-07-29 | GERDAU MACSTEEL MONROE MILL — high-priority violation on file | PCE Off-Site | State |
| 2025-07-25 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | PCE Off-Site | State |
| 2025-06-30 | MARATHON PIPE LINE LLC (SAMARIA) | PCE On-Site | State |
| 2025-05-31 | GUARDIAN INDUSTRIES-CARLETON | FCE On-Site | State |
| 2025-05-29 | GUARDIAN INDUSTRIES-CARLETON | PCE On-Site | State |
| 2025-04-29 | GERDAU MACSTEEL MONROE MILL — high-priority violation on file | PCE Off-Site | State |
| 2025-04-17 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | PCE Off-Site | State |
| 2025-04-10 | YANFENG GLOBAL AUTOMOTIVE | PCE On-Site | State |
| 2025-04-10 | YANFENG GLOBAL AUTOMOTIVE | FCE On-Site | State |
| 2025-03-26 | FCA US LLC - DUNDEE ENGINE PLANT | FCE On-Site | State |
| 2025-03-25 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | PCE On-Site | State |
| 2025-03-05 | FCA US LLC - DUNDEE ENGINE PLANT | PCE On-Site | State |
| 2025-01-30 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.