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.