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.