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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register for Macomb, MI, and stack tests recorded in 2025. It lists 14 stack tests recorded in 2025.