EPA Air · stack tests by county and year
Air-emissions stack tests in Macomb County, Michigan, 2026
- 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 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 Macomb County facility page.
Macomb County, Michigan, 2026
- Inspections 29
Air-emissions stack tests in Macomb County, other years
Air-emissions stack tests recorded in Macomb County, Michigan, 2026
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2026-08-07 | CONSUMERS ENERGY - RAY COMPRESSOR STATION | Pass | State |
| 2026-08-06 | CONSUMERS ENERGY - RAY COMPRESSOR STATION | Pass | State |
| 2026-07-02 | WARREN WASTE WATER TREATMENT PLANT | Pass | State |
| 2026-06-25 | PIONEER METAL FINISHING INDUSTRIAL HWY | Pass | State |
| 2026-06-01 | PINE TREE ACRES, INC. | Pass | State |
| 2026-05-15 | FCA US LLC STERLING HEIGHTS ASSEMBLY PLANT | Pass | State |
| 2026-04-23 | WASHINGTON 10 STORAGE CORPORATION | Pass | State |
| 2026-04-08 | FCA US LLC STERLING HEIGHTS ASSEMBLY PLANT | Pass | State |
| 2026-03-26 | GM TECHNICAL CENTER | Pass | State |
| 2026-02-25 | AXALTA COATING SYSTEMS USA LLC | Pass | State |
| 2026-02-24 | PINE TREE ACRES, INC. | Pass | State |
| 2026-02-24 | QUALA | Pass | State |
| 2026-02-11 | PINE TREE ACRES, INC. | Pass | State |
| 2026-01-21 | SUMPTER ENERGY ASSOCIATES, LLC | 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 Macomb county, MI, for 2026. It lists 14 stack tests recorded in 2026.