EPA Air · stack tests by state and year

Air-emissions stack tests in Michigan, 2026

207Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Michigan during 2026; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Michigan, 2026

Michigan, other years

Air-emissions stack tests recorded in Michigan, 2026

Date	Facility	Where	Kind	Agency
2026-04-29	GRAPHIC PACKAGING INTERNATIONAL LLC	KALAMAZOO, Kalamazoo, MI	Pass	State
2026-04-29	DETROIT THERMAL BEACON HEATING PLANT	DETROIT, Wayne, MI	Pass	State
2026-04-29	KNAUF INSULATION, INC.	ALBION, Calhoun, MI	Pass	State
2026-04-29	DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION	YPSILANTI, Washtenaw, MI	Pass	State
2026-04-29	ADVANCED ARCHITECHURAL PRODUCTS	HAMILTON, Allegan, MI	Pass	State
2026-04-29	KINDER MORGAN	BUCHANAN, Berrien, MI	Pass	State
2026-04-28	MICHIGAN STATE UNIVERSITY	EAST LANSING, Ingham, MI	Pass	State
2026-04-28	ZEELAND FARM SERVICES, INC. — high-priority violation on file	ZEELAND, Ottawa, MI	Pass	State
2026-04-28	TOEFCO ENGINEERED COATING SYSTEMS	NILES, Berrien, MI	Pass	State
2026-04-24	DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file	CHINA, St. Clair, MI	Fail	State
2026-04-24	BLUE WATER RENEWABLES — high-priority violation on file	KIMBALL, St. Clair, MI	Pass	State
2026-04-23	MARATHON PETROLEUM COMPANY LP — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-23	MARATHON PETROLEUM COMPANY LP — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-23	BILLERUD QUINNESEC LLC	QUINNESEC, Dickinson, MI	Pass	State
2026-04-23	WASHINGTON 10 STORAGE CORPORATION	WASHINGTON, Macomb, MI	Pass	State
2026-04-22	BILLERUD ESCANABA LLC	ESCANABA, Delta, MI	Pass	State
2026-04-22	MARATHON PETROLEUM COMPANY LP — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-22	EES COKE BATTERY, LLC — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-21	MARATHON PETROLEUM COMPANY LP — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-21	PEOPLES LFG, LLC	BIRCH RUN, Saginaw, MI	Pass	State
2026-04-20	GRANGER GRAND RIVER AVENUE LANDFILL	GRAND LEDGE, Clinton, MI	Pass	State
2026-04-17	GENERAL FORMULATIONS, INC.	SPARTA, Kent, MI	Pass	State
2026-04-17	EES COKE BATTERY, LLC — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-15	EES COKE BATTERY, LLC — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-15	MICHIGAN FOAM PRODUCTS, LLC	WYOMING, Kent, MI	Pass	State
2026-04-14	DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file	CHINA, St. Clair, MI	Pass	State
2026-04-14	COREWELL HEALTH - BUTTERWORTH CAMPUS	GRAND RAPIDS, Kent, MI	Pass	State
2026-04-14	SEMCO ENERGY GAS COMPANY - MORTON WELLS FACILITY	MARYSVILLE, St. Clair, MI	Pass	State
2026-04-10	MARATHON PETROLEUM COMPANY LP — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-04-10	CORTEVA AGRISCIENCE LLC	MIDLAND, Midland, MI	Pass	State
2026-04-09	GUARDIAN INDUSTRIES-CARLETON	CARLETON, Monroe, MI	Pass	State
2026-04-08	METAL TECHNOLOGIES, INC. THREE RIVERS GRAY IRON	THREE RIVERS, St. Joseph, MI	Pass	State
2026-04-08	FCA US LLC STERLING HEIGHTS ASSEMBLY PLANT	STERLING HEIGHTS, Macomb, MI	Pass	State
2026-04-08	DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION	YPSILANTI, Washtenaw, MI	Pass	State
2026-04-07	ST. MARYS CEMENT	DETROIT, Wayne, MI	Pass	State
2026-04-07	BILLERUD QUINNESEC LLC	QUINNESEC, Dickinson, MI	Pass	State
2026-04-06	HURON CASTING, INC (BLUE DIAMOND STEEL CASTING)	PIGEON, Huron, MI	Pass	State
2026-04-02	MAGNA MIRRORS NORTH AMERICA	NEWAYGO, Newaygo, MI	Pass	State
2026-03-31	MICHIGAN STATE UNIVERSITY	EAST LANSING, Ingham, MI	Pass	State
2026-03-26	GENERAL MOTORS LLC - PONTIAC NORTH CAMPUS	PONTIAC, Oakland, MI	Pass	State
2026-03-26	GM TECHNICAL CENTER	WARREN, Macomb, MI	Pass	State
2026-03-26	ARAUCO NORTH AMERICA	GRAYLING, Crawford, MI	Pass	State
2026-03-25	BILLERUD ESCANABA LLC	ESCANABA, Delta, MI	Pass	State
2026-03-25	THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file	MIDLAND, Midland, MI	Pass	State
2026-03-25	AMRIZE CEMENT INC. — high-priority violation on file	ALPENA, Alpena, MI	Pass	State
2026-03-23	DTE GAS COMPANY - MILFORD COMPRESSOR STATION	MILFORD, Oakland, MI	Pass	State
2026-03-23	DTE GAS COMPANY - MILFORD COMPRESSOR STATION	MILFORD, Oakland, MI	Pass	State
2026-03-23	CONSUMERS ENERGY - OVERISEL COMPRESSOR STATION	HAMILTON, Allegan, MI	Pass	State
2026-03-23	CORTEVA AGRISCIENCE LLC	MIDLAND, Midland, MI	Pass	State
2026-03-20	MARATHON PETROLEUM COMPANY LP — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-03-20	DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION	CHINA, St. Clair, MI	Pass	State
2026-03-19	DETROIT METROPOLITAN WAYNE COUNTY AIRPORT	DETROIT, Wayne, MI	Pass	State
2026-03-18	DOW SILICONES CORPORATION	MIDLAND, Midland, MI	Pass	State
2026-03-18	CONSUMERS ENERGY - ST. CLAIR COMPRESSOR STATION	IRA, St. Clair, MI	Pass	State
2026-03-18	BUCKEYE PARTNER'S, L.P. EAST TERMINAL	TAYLOR, Wayne, MI	Pass	State
2026-03-18	CONSUMERS ENERGY - WHITE PIGEON COMPRESSOR STATION — high-priority violation on file	WHITE PIGEON, St. Joseph, MI	Pass	State
2026-03-18	CONSUMERS ENERGY - WHITE PIGEON COMPRESSOR STATION — high-priority violation on file	WHITE PIGEON, St. Joseph, MI	Pass	State
2026-03-18	BREMBO NORTH AMERICA, INC. — high-priority violation on file	HOMER, Calhoun, MI	Pass	State
2026-03-17	MARATHON PETROLEUM COMPANY LP — high-priority violation on file	DETROIT, Wayne, MI	Pass	State
2026-03-12	NEOGEN CORPORATION	LANSING, Ingham, MI	Pass	State
2026-03-11	DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file	CHINA, St. Clair, MI	Pass	State
2026-03-11	ANR PIPELINE - REED CITY COMPRESSOR STATION	REED CITY, Osceola, MI	Pass	State
2026-03-10	MAGNA MIRRORS NORTH AMERICA	NEWAYGO, Newaygo, MI	Pass	State
2026-03-09	DTE ELECTRIC COMPANY - MONROE POWER PLANT	MONROE, Monroe, MI	Pass	State
2026-03-06	DTE ELECTRIC COMPANY - MONROE POWER PLANT	MONROE, Monroe, MI	Pass	State
2026-03-05	AMRIZE CEMENT INC. — high-priority violation on file	ALPENA, Alpena, MI	Pass	State
2026-03-05	DTE ELECTRIC COMPANY - MONROE POWER PLANT	MONROE, Monroe, MI	Pass	State
2026-03-05	PHARMACIA & UPJOHN CO LLC, A SUBSIDIARY OF PFIZER	KALAMAZOO, Kalamazoo, MI	Fail	State
2026-03-05	DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION	CHINA, St. Clair, MI	Pass	State
2026-03-04	AKWEL CADILLAC USA, INC.	CADILLAC, Wexford, MI	Pass	State
2026-03-04	AMRIZE CEMENT INC. — high-priority violation on file	ALPENA, Alpena, MI	Pass	State
2026-03-03	DTE ELECTRIC COMPANY - MONROE POWER PLANT	MONROE, Monroe, MI	Pass	State
2026-02-28	LANSING BOARD OF WATER AND LIGHT - REO TOWN PLANT	LANSING, Ingham, MI	Pass	State
2026-02-27	WEXFORD COUNTY LANDFILL	NORTHVILLE, Wexford, MI	Pass	State
2026-02-26	OCCIDENTAL CHEMICAL CORPORATION	LUDINGTON, Mason, MI	Pass	State
2026-02-26	DTE ELECTRIC COMPANY - MONROE POWER PLANT	MONROE, Monroe, MI	Pass	State
2026-02-25	AXALTA COATING SYSTEMS USA LLC	MOUNT CLEMENS, Macomb, MI	Pass	State
2026-02-24	PINE TREE ACRES, INC.	LENOX TOWNSHIP, Macomb, MI	Pass	State
2026-02-24	QUALA	CHESTERFIELD, Macomb, MI	Pass	State
2026-02-24	ENERGY DEVELOPMENTS GRAND BLANC, LLC	GRAND BLANC, Genesee, MI	Pass	State
2026-02-23	DTE ELECTRIC COMPANY - MONROE POWER PLANT	MONROE, Monroe, MI	Pass	State
2026-02-20	UNIVERSITY OF MICHIGAN	ANN ARBOR, Washtenaw, MI	Pass	State
2026-02-20	ENERGY DEVELOPMENTS WATERVLIET, LLC	WATERVLIET, Berrien, MI	Pass	State
2026-02-19	PHARMACIA & UPJOHN CO LLC, A SUBSIDIARY OF PFIZER	KALAMAZOO, Kalamazoo, MI	Pass	State
2026-02-17	WESTERN MICHIGAN UNIVERSITY	KALAMAZOO, Kalamazoo, MI	Pass	State
2026-02-16	NORTH AMERICAN -- CENTRAL, LLC - CENTRAL GENERATING STATION	PIERSON, Montcalm, MI	Pass	State
2026-02-12	GERDAU MACSTEEL MONROE MILL — high-priority violation on file	MONROE, Monroe, MI	Pass	State
2026-02-12	HASTINGS LANDFILL	HASTINGS, Barry, MI	Pass	State
2026-02-12	MARYSVILLE ETHANOL, LLC	MARYSVILLE, St. Clair, MI	Pass	State
2026-02-11	PINE TREE ACRES, INC.	LENOX TOWNSHIP, Macomb, MI	Pass	State
2026-02-10	ZOETIS LLC	KALAMAZOO, Kalamazoo, MI	Pass	State
2026-02-10	ANR PIPELINE CO. - GOODWELL COMPRESSOR STATION	WHITE CLOUD, Newaygo, MI	Pass	State
2026-02-10	ENERGY DEVELOPMENTS PINCONNING, LLC	PINCONNING, Bay, MI	Pass	State
2026-02-06	DTE ELECTRIC COMPANY - MONROE POWER PLANT	MONROE, Monroe, MI	Pass	State
2026-02-05	DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION	CHINA, St. Clair, MI	Pass	State
2026-02-02	K & W LANDFILL INC	ONTONAGON, Ontonagon, MI	Pass	State
2026-01-30	GUARDIAN INDUSTRIES-CARLETON	CARLETON, Monroe, MI	Pass	State
2026-01-28	MICHIGAN SUGAR COMPANY - SEBEWAING FACTORY — high-priority violation on file	SEBEWAING, Huron, MI	Pass	State
2026-01-28	LACKS ENTERPRISES, INC. — high-priority violation on file	GRAND RAPIDS, Kent, MI	Pass	State
2026-01-27	CANTON RENEWABLES LLC	CANTON, Wayne, MI	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.