EPA Air · stack tests by county and year
Air-emissions stack tests in Otsego County, Michigan, 2025
- 5Stack 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 Otsego 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 Otsego County facility page.
Otsego County, Michigan, 2025
- Inspections 34
Air-emissions stack tests in Otsego County, other years
Air-emissions stack tests recorded in Otsego County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-28 | RIVERSIDE CARBON SOLUTIONS - TURTLE LAKE CO2 | Pass | State |
| 2025-08-13 | WOLVERINE POWER SUPPLY COOPERATIVE INC. - ALPINE POWER PLANT | Pass | State |
| 2025-07-30 | LAMBDA ENERGY RESOURCES, LLC - CHARLTON 12 | Pass | State |
| 2025-04-30 | RIVERSIDE ENERGY MICHIGAN, LLC CHESTER 10 CO2 RECOVERY | Pass | State |
| 2025-04-10 | RIVERSIDE ENERGY MICHIGAN LLC - WILDERNESS CO2, HAYES 29 CPF | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.