EPA Air · stack tests by county and year
Air-emissions stack tests in St. Clair County, Michigan, 2025
- 30Stack 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 St. Clair 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 St. Clair County facility page.
St. Clair County, Michigan, 2025
- Inspections 30
Air-emissions stack tests in St. Clair County, other years
Air-emissions stack tests recorded in St. Clair County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-10-16 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-10-07 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-10-02 | DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION | Pass | State |
| 2025-09-30 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | Pass | State |
| 2025-09-24 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | Pass | State |
| 2025-09-18 | PREGIS | Pass | State |
| 2025-09-09 | BLUEWATER GAS STORAGE FACILITY - COLUMBUS | Pass | State |
| 2025-09-04 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-09-02 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-08-20 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-08-19 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-08-06 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-08-06 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-07-10 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-06-27 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-06-17 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | Pass | State |
| 2025-06-11 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-05-22 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-05-14 | DTE GAS COMPANY - COLUMBUS COMPRESSOR STATION — high-priority violation on file | Pass | State |
| 2025-04-16 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-04-15 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-04-10 | BLUE WATER RENEWABLES — high-priority violation on file | Pass | State |
| 2025-04-03 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | Pass | State |
| 2025-02-27 | DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION | Pass | State |
| 2025-02-27 | DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION | Pass | State |
| 2025-02-26 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-02-18 | MARYSVILLE ETHANOL, LLC | Pass | State |
| 2025-01-28 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | Pass | State |
| 2025-01-16 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | Pass | State |
| 2025-01-09 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | 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 St. Clair county, MI, in 2025. It lists 30 stack tests recorded in 2025.