Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Macomb County, Michigan, 2026

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

Air-emissions stack tests in Macomb County, other years

Air-emissions stack tests recorded in Macomb County, Michigan, 2026

DateFacilityKindAgency
2026-08-07CONSUMERS ENERGY - RAY COMPRESSOR STATIONPassState
2026-08-06CONSUMERS ENERGY - RAY COMPRESSOR STATIONPassState
2026-07-02WARREN WASTE WATER TREATMENT PLANTPassState
2026-06-25PIONEER METAL FINISHING INDUSTRIAL HWYPassState
2026-06-01PINE TREE ACRES, INC.PassState
2026-05-15FCA US LLC STERLING HEIGHTS ASSEMBLY PLANTPassState
2026-04-23WASHINGTON 10 STORAGE CORPORATIONPassState
2026-04-08FCA US LLC STERLING HEIGHTS ASSEMBLY PLANTPassState
2026-03-26GM TECHNICAL CENTERPassState
2026-02-25AXALTA COATING SYSTEMS USA LLCPassState
2026-02-24PINE TREE ACRES, INC.PassState
2026-02-24QUALAPassState
2026-02-11PINE TREE ACRES, INC.PassState
2026-01-21SUMPTER ENERGY ASSOCIATES, LLCPassState

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.