EPA Air · stack tests by state and year
Air-emissions stack tests in Michigan, 2025
- 387Stack 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 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Michigan, 2025
- Wayne County 72
- St. Clair County 30
- Monroe County 18
- Kent County 18
- Ottawa County 16
- Calhoun County 15
- Macomb County 14
- Washtenaw County 12
- Midland County 11
- Alpena County 11
- Crawford County 10
- Manistee County 10
- Oakland County 10
- Kalamazoo County 9
- Genesee County 8
- Bay County 8
- Delta County 8
- Mason County 6
- Marquette County 6
- Dickinson County 6
- Charlevoix County 6
- Ingham County 6
- Otsego County 5
- Tuscola County 5
- Eaton County 5
- Allegan County 5
- Cass County 4
- Van Buren County 4
- Sanilac County 4
- Huron County 4
- Clare County 4
- Montcalm County 3
- Berrien County 3
- Shiawassee County 3
- Kalkaska County 3
Michigan, other years
Air-emissions stack tests recorded in Michigan, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-09-30 | ASAMA COLDWATER MANUFACTURING, INC. | COLDWATER, Branch, MI | Pass | State |
| 2025-09-26 | CADILAC ASPHALT PRODUCTS - DIX | DETROIT, Wayne, MI | Pass | State |
| 2025-09-26 | GERDAU MACSTEEL MONROE MILL — high-priority violation on file | MONROE, Monroe, MI | Pass | State |
| 2025-09-25 | HURON CASTING, INC (BLUE DIAMOND STEEL CASTING) | PIGEON, Huron, MI | Pass | State |
| 2025-09-24 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | KENOCKEE, St. Clair, MI | Pass | State |
| 2025-09-24 | BREMBO NORTH AMERICA, INC. — high-priority violation on file | HOMER, Calhoun, MI | Pass | State |
| 2025-09-24 | DTE ELECTRIC COMPANY - RENAISSANCE POWER PLANT | CARSON CITY, Montcalm, MI | Pass | State |
| 2025-09-23 | BILLERUD QUINNESEC LLC | QUINNESEC, Dickinson, MI | Pass | State |
| 2025-09-23 | NATIONAL ENERGY OF MCBAIN LLC | MCBAIN, Missaukee, MI | Pass | State |
| 2025-09-18 | VENTRA EVART, LLC | EVART, Osceola, MI | Pass | State |
| 2025-09-18 | PACKAGING CORPORATION OF AMERICA - FILER CITY MILL | FILER CITY, Manistee, MI | Fail | State |
| 2025-09-18 | COVERT GENERATING STATION — high-priority violation on file | COVERT, Van Buren, MI | Pass | State |
| 2025-09-18 | COVERT GENERATING STATION — high-priority violation on file | COVERT, Van Buren, MI | Pass | State |
| 2025-09-18 | PREGIS | MARYSVILLE, St. Clair, MI | Pass | State |
| 2025-09-17 | U S STEEL GREAT LAKES WORKS — high-priority violation on file | ECORSE, Wayne, MI | Pass | State |
| 2025-09-17 | INDECK NILES LLC | NILES, Cass, MI | Pass | State |
| 2025-09-11 | CARBON GREEN BIOENERGY | LAKE ODESSA, Barry, MI | Pass | State |
| 2025-09-10 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | CHARLEVOIX, Charlevoix, MI | Pass | State |
| 2025-09-10 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2025-09-09 | VENICE PARK RDF | LENNON, Shiawassee, MI | Pass | State |
| 2025-09-09 | BLUEWATER GAS STORAGE FACILITY - COLUMBUS | COLUMBUS, St. Clair, MI | Pass | State |
| 2025-09-05 | CONSUMERS ENERGY CO. - ZEELAND GENERATING STATION | ZEELAND, Ottawa, MI | Pass | State |
| 2025-09-04 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-09-04 | FCA US LLC STERLING HEIGHTS ASSEMBLY PLANT | STERLING HEIGHTS, Macomb, MI | Pass | State |
| 2025-09-04 | EES COKE BATTERY, LLC — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-09-03 | CORTEVA LLC — high-priority violation on file | HARBOR BEACH, Huron, MI | Pass | State |
| 2025-09-02 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-08-28 | ARBOR HILLS ENERGY, LLC | NORTHVILLE, Washtenaw, MI | Pass | State |
| 2025-08-28 | TES FILER CITY STATION | FILER CITY, Manistee, MI | Pass | State |
| 2025-08-27 | GLWA WATER RESOURCE RECOVERY FACILITY | DETROIT, Wayne, MI | Fail | State |
| 2025-08-27 | MIDLAND COGENERATION VENTURE — high-priority violation on file | MIDLAND, Midland, MI | Pass | State |
| 2025-08-26 | ST MARYS CEMENT U.S. LLC, CHARLEVOIX PLANT | CHARLEVOIX, Charlevoix, MI | Fail | State |
| 2025-08-25 | C&C ENERGY LLC — high-priority violation on file | MARSHALL, Calhoun, MI | Pass | State |
| 2025-08-20 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-08-19 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-08-19 | GM TECHNICAL CENTER | WARREN, Macomb, MI | Pass | State |
| 2025-08-15 | LANSING BOARD OF WATER & LIGHT - ERICKSON STATION | LANSING, Eaton, MI | Pass | State |
| 2025-08-14 | BILLERUD ESCANABA LLC | ESCANABA, Delta, MI | Pass | State |
| 2025-08-14 | DTE ELECTRIC COMPANY - RENAISSANCE POWER PLANT | CARSON CITY, Montcalm, MI | Pass | State |
| 2025-08-13 | DENSO MANUFACTURING MICHIGAN, INC. | BATTLE CREEK, Calhoun, MI | Pass | State |
| 2025-08-13 | GENESEE POWER STATION LIMITED PARTNERSHIP | FLINT, Genesee, MI | Pass | State |
| 2025-08-13 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GULLIVER, Schoolcraft, MI | Pass | State |
| 2025-08-13 | WOLVERINE POWER SUPPLY COOPERATIVE INC. - ALPINE POWER PLANT | ELMIRA, Otsego, MI | Pass | State |
| 2025-08-12 | BILLERUD QUINNESEC LLC | QUINNESEC, Dickinson, MI | Pass | State |
| 2025-08-07 | CONSUMERS ENERGY - RAY COMPRESSOR STATION | ARMADA, Macomb, MI | Pass | State |
| 2025-08-07 | BILLERUD QUINNESEC LLC | QUINNESEC, Dickinson, MI | Pass | State |
| 2025-08-06 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-08-06 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-08-06 | CADILLAC RENEWABLE ENERGY FACILITY | CADILLAC, Wexford, MI | Pass | State |
| 2025-08-05 | PRECISION COATINGS, INC. | COMMERCE TOWNSHIP, Oakland, MI | Pass | State |
| 2025-08-05 | AMERESCO WOODLAND MEADOWS ROMULUS LLC | CANTON, Wayne, MI | Pass | State |
| 2025-07-31 | J. H. CAMPBELL PLANT | WEST OLIVE, Ottawa, MI | Pass | State |
| 2025-07-31 | TILDEN MINING COMPANY LC | ISHPEMING, Marquette, MI | Pass | State |
| 2025-07-30 | AMRIZE CEMENT INC. — high-priority violation on file | ALPENA, Alpena, MI | Pass | State |
| 2025-07-30 | J. H. CAMPBELL PLANT | WEST OLIVE, Ottawa, MI | Pass | State |
| 2025-07-30 | LAMBDA ENERGY RESOURCES, LLC - CHARLTON 12 | JOHANNESBURG, Otsego, MI | Pass | State |
| 2025-07-30 | LAMBDA ENERGY RESOURCES LLC - KALKASKA 11 | KALKASKA, Kalkaska, MI | Pass | State |
| 2025-07-30 | AJAX MATERIALS CORPORATION - PLANT 4 | FLINT, Genesee, MI | Pass | State |
| 2025-07-29 | AMRIZE CEMENT INC. — high-priority violation on file | ALPENA, Alpena, MI | Pass | State |
| 2025-07-25 | BILLERUD ESCANABA LLC | ESCANABA, Delta, MI | Pass | State |
| 2025-07-25 | PRIMAT CURTIS | STERLING HEIGHTS, Macomb, MI | Pass | State |
| 2025-07-24 | HOLLAND BPW, 48TH STREET PEAKING STATION | HOLLAND, Allegan, MI | Pass | State |
| 2025-07-23 | BILLERUD ESCANABA LLC | ESCANABA, Delta, MI | Pass | State |
| 2025-07-23 | HARLAND SANITARY LANDFILL/MANISTEE COUNTY LANDFILL — high-priority violation on file | MANISTEE, Manistee, MI | Pass | State |
| 2025-07-22 | BILLERUD ESCANABA LLC | ESCANABA, Delta, MI | Pass | State |
| 2025-07-22 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-07-22 | HOLLAND BPW, 48TH STREET PEAKING STATION | HOLLAND, Allegan, MI | Pass | State |
| 2025-07-22 | FEDERAL-MOGUL POWERTRAIN, LLC | PLYMOUTH, Wayne, MI | Pass | State |
| 2025-07-18 | J. H. CAMPBELL PLANT | WEST OLIVE, Ottawa, MI | Pass | State |
| 2025-07-17 | AMRIZE CEMENT INC. — high-priority violation on file | ALPENA, Alpena, MI | Pass | State |
| 2025-07-17 | AMRIZE CEMENT INC. — high-priority violation on file | ALPENA, Alpena, MI | Pass | State |
| 2025-07-17 | WHITEFEATHER LANDFILL — high-priority violation on file | PINCONNING, Bay, MI | Pass | State |
| 2025-07-17 | LACKS ENTERPRISES INC. | GRAND RAPIDS, Kent, MI | Pass | State |
| 2025-07-16 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-07-16 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2025-07-16 | PHARMACIA & UPJOHN CO LLC, A SUBSIDIARY OF PFIZER | KALAMAZOO, Kalamazoo, MI | Pass | State |
| 2025-07-15 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-07-10 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-07-10 | AMRIZE CEMENT INC. — high-priority violation on file | ALPENA, Alpena, MI | Pass | State |
| 2025-07-10 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-07-09 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-07-09 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-07-09 | TILDEN MINING COMPANY LC | ISHPEMING, Marquette, MI | Pass | State |
| 2025-07-09 | ENERGY DEVELOPMENTS WATERVLIET, LLC | WATERVLIET, Berrien, MI | Pass | State |
| 2025-07-07 | L'ANSE WARDEN ELECTRIC COMPANY, LLC | L'ANSE, Baraga, MI | Pass | State |
| 2025-07-03 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2025-07-03 | ADAC AUTOMOTIVE MUSKEGON PLANTS | MUSKEGON, Muskegon, MI | Pass | State |
| 2025-07-02 | TES FILER CITY STATION | FILER CITY, Manistee, MI | Pass | State |
| 2025-07-01 | BUCKEYE TERMINALS, LLC - RIVER ROUGE TERMINAL | RIVER ROUGE, Wayne, MI | Pass | State |
| 2025-06-27 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-06-27 | CONSUMERS ENERGY CO. - ZEELAND GENERATING STATION | ZEELAND, Ottawa, MI | Pass | State |
| 2025-06-26 | CONSUMERS ENERGY D.E. KARN FACILITY | ESSEXVILLE, Bay, MI | Pass | State |
| 2025-06-26 | KELLANOVA MANUFACTURING LLC | GRAND RAPIDS, Kent, MI | Pass | State |
| 2025-06-25 | KENT COUNTY WASTE TO ENERGY FACILITY | GRAND RAPIDS, Kent, MI | Pass | State |
| 2025-06-24 | WEYERHAEUSER NR COMPANY | GRAYLING, Crawford, MI | Pass | State |
| 2025-06-20 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2025-06-19 | CONSUMERS ENERGY - FREEDOM COMPRESSOR STATION | MANCHESTER, Washtenaw, MI | Pass | State |
| 2025-06-17 | BILLERUD ESCANABA LLC | ESCANABA, Delta, MI | Fail | State |
| 2025-06-17 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | KENOCKEE, St. Clair, MI | Pass | State |
| 2025-06-17 | DDP SPECIALTY ELECTRONIC MATERIALS US, LLC | MIDLAND, Midland, MI | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.