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.