EPA Air · stack tests by county and year
Air-emissions stack tests in Midland County, Michigan, 2026
- 4Stack 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 2026. 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, 2026
- Inspections 17
Air-emissions stack tests in Midland County, other years
Air-emissions stack tests recorded in Midland County, Michigan, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-04-10 | CORTEVA AGRISCIENCE LLC | Pass | State |
| 2026-03-25 | THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file | Pass | State |
| 2026-03-23 | CORTEVA AGRISCIENCE LLC | Pass | State |
| 2026-03-18 | DOW SILICONES CORPORATION | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.