EPA Air · stack tests by county and year
Air-emissions stack tests in Genesee County, Michigan, 2025
- 8Stack 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 Genesee 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 Genesee County facility page.
Genesee County, Michigan, 2025
- Inspections 25
Air-emissions stack tests in Genesee County, other years
Air-emissions stack tests recorded in Genesee County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-29 | GREAT LAKES GAS TRANSMISSION STATION #13 | Pass | State |
| 2025-10-22 | ENERGY DEVELOPMENTS MICHIGAN, LLC | Pass | State |
| 2025-08-13 | GENESEE POWER STATION LIMITED PARTNERSHIP | Pass | State |
| 2025-07-30 | AJAX MATERIALS CORPORATION - PLANT 4 | Pass | State |
| 2025-05-22 | GENESEE POWER STATION LIMITED PARTNERSHIP | Pass | State |
| 2025-05-21 | GENERAL MOTORS LLC FLINT ASSEMBLY | Pass | State |
| 2025-02-13 | ENERGY DEVELOPMENTS GRAND BLANC, LLC | Pass | State |
| 2025-01-02 | ENERGY DEVELOPMENTS MICHIGAN, LLC | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.