EPA Air · stack tests by county and year
Air-emissions stack tests in Charlevoix County, Michigan, 2025
- 6Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Charlevoix 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 Charlevoix County facility page.
Charlevoix County, Michigan, 2025
- Inspections 10
Air-emissions stack tests in Charlevoix County, other years
Air-emissions stack tests recorded in Charlevoix County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-18 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | Pass | State |
| 2025-11-12 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | Fail | State |
| 2025-10-15 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | Pass | State |
| 2025-09-10 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | Pass | State |
| 2025-08-26 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | Fail | State |
| 2025-04-29 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Charlevoix county, MI, in 2025. Stack tests recorded in 2025: 6.