EPA Air · stack tests by county and year
Air-emissions stack tests in Macomb County, Michigan, 2025
- 14Stack 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 Macomb 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 Macomb County facility page.
Macomb County, Michigan, 2025
- Inspections 59
Air-emissions stack tests in Macomb County, other years
Air-emissions stack tests recorded in Macomb County, Michigan, 2025
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2025-11-04 | NYLOK LLC — high-priority violation on file | Pass | State |
| 2025-10-30 | WARREN WASTE WATER TREATMENT PLANT | Pass | State |
| 2025-09-04 | FCA US LLC STERLING HEIGHTS ASSEMBLY PLANT | Pass | State |
| 2025-08-19 | GM TECHNICAL CENTER | Pass | State |
| 2025-08-07 | CONSUMERS ENERGY - RAY COMPRESSOR STATION | Pass | State |
| 2025-07-25 | PRIMAT CURTIS | Pass | State |
| 2025-06-13 | IIP-MI 4, LLC | Pass | State |
| 2025-06-12 | PIONEER METAL FINISHING INDUSTRIAL HWY | Pass | State |
| 2025-05-13 | VECTOR PIPELINE L.P. WASHINGTON COMPRESSOR STATION | Pass | State |
| 2025-04-24 | WASHINGTON 10 STORAGE CORPORATION | Pass | State |
| 2025-03-19 | PINE TREE ACRES, INC. | Pass | State |
| 2025-03-05 | GM TECHNICAL CENTER | Pass | State |
| 2025-01-30 | PINE TREE ACRES, INC. | Pass | State |
| 2025-01-21 | PINE TREE ACRES, INC. | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.