Velarion Records

EPA Air · stack tests by county and year

Air-emissions stack tests in Macomb County, Michigan, 2025

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

Air-emissions stack tests in Macomb County, other years

Air-emissions stack tests recorded in Macomb County, Michigan, 2025

DateFacilityKindAgency
2025-11-04NYLOK LLC — high-priority violation on filePassState
2025-10-30WARREN WASTE WATER TREATMENT PLANTPassState
2025-09-04FCA US LLC STERLING HEIGHTS ASSEMBLY PLANTPassState
2025-08-19GM TECHNICAL CENTERPassState
2025-08-07CONSUMERS ENERGY - RAY COMPRESSOR STATIONPassState
2025-07-25PRIMAT CURTISPassState
2025-06-13IIP-MI 4, LLCPassState
2025-06-12PIONEER METAL FINISHING INDUSTRIAL HWYPassState
2025-05-13VECTOR PIPELINE L.P. WASHINGTON COMPRESSOR STATIONPassState
2025-04-24WASHINGTON 10 STORAGE CORPORATIONPassState
2025-03-19PINE TREE ACRES, INC.PassState
2025-03-05GM TECHNICAL CENTERPassState
2025-01-30PINE TREE ACRES, INC.PassState
2025-01-21PINE TREE ACRES, INC.PassState

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.