EPA Air · stack tests by county and year
Air-emissions stack tests in Midland County, Michigan, 2025
- 11Stack 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 Midland 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 Midland County facility page.
Midland County, Michigan, 2025
- Inspections 31
Air-emissions stack tests in Midland County, other years
Air-emissions stack tests recorded in Midland County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-12-02 | DOW SILICONES CORPORATION | Pass | State |
| 2025-11-20 | CABOT CORPORATION | Pass | State |
| 2025-11-13 | THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file | Pass | State |
| 2025-11-07 | DOW SILICONES CORPORATION | Pass | State |
| 2025-08-27 | MIDLAND COGENERATION VENTURE — high-priority violation on file | Pass | State |
| 2025-06-17 | DDP SPECIALTY ELECTRONIC MATERIALS US, LLC | Pass | State |
| 2025-06-04 | TRINSEO LLC | Pass | State |
| 2025-03-26 | THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file | Pass | State |
| 2025-03-13 | DOW SILICONES CORPORATION | Pass | State |
| 2025-02-04 | THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file | Pass | State |
| 2025-01-10 | CABOT CORPORATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.