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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with stack tests in Midland county, MI, for 2025. The stack tests recorded in 2025 total 11.