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 |
|---|---|---|---|---|
| 2025-03-21 | DETROIT THERMAL BEACON HEATING PLANT | DETROIT, Wayne, MI | Pass | State |
| 2025-03-20 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-03-20 | DTE GAS COMPANY - MILFORD COMPRESSOR STATION | MILFORD, Oakland, MI | Pass | State |
| 2025-03-19 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-03-19 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-03-19 | PINE TREE ACRES, INC. | LENOX TOWNSHIP, Macomb, MI | Pass | State |
| 2025-03-14 | UNIVERSITY OF MICHIGAN | ANN ARBOR, Washtenaw, MI | Pass | State |
| 2025-03-13 | DOW SILICONES CORPORATION | MIDLAND, Midland, MI | Pass | State |
| 2025-03-13 | DTE GAS COMPANY - MILFORD COMPRESSOR STATION | MILFORD, Oakland, MI | Pass | State |
| 2025-03-12 | LOUISIANA-PACIFIC CORP SAGOLA PLANT | SAGOLA, Dickinson, MI | Pass | State |
| 2025-03-06 | MICHIGAN STATE UNIVERSITY | EAST LANSING, Ingham, MI | Pass | State |
| 2025-03-05 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2025-03-05 | PACKAGING CORPORATION OF AMERICA - FILER CITY MILL | FILER CITY, Manistee, MI | Pass | State |
| 2025-03-05 | GM TECHNICAL CENTER | WARREN, Macomb, MI | Pass | State |
| 2025-03-05 | MICHIGAN STATE UNIVERSITY | EAST LANSING, Ingham, MI | Pass | State |
| 2025-03-05 | AMERESCO WOODLAND MEADOWS ROMULUS LLC | CANTON, Wayne, MI | Fail | State |
| 2025-03-05 | KINDER MORGAN | BUCHANAN, Berrien, MI | Pass | State |
| 2025-03-04 | HYDRO ALUMINUM METALS USA, LLC | CASSOPOLIS, Cass, MI | Pass | State |
| 2025-02-28 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2025-02-28 | ANR PIPELINE CO - WOOLFOLK COMPRESSOR STATION | BIG RAPIDS, Mecosta, MI | Pass | State |
| 2025-02-27 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-02-27 | MICHIGAN SUGAR COMPANY - BAY CITY — high-priority violation on file | BAY CITY, Bay, MI | Pass | State |
| 2025-02-27 | DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION | CHINA, St. Clair, MI | Pass | State |
| 2025-02-27 | DTE GAS COMPANY - BELLE RIVER MILLS COMPRESSOR STATION | CHINA, St. Clair, MI | Pass | State |
| 2025-02-26 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2025-02-26 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-02-26 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-02-26 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-02-26 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-02-26 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-02-26 | MARATHON PETROLEUM COMPANY LP — high-priority violation on file | DETROIT, Wayne, MI | Pass | State |
| 2025-02-26 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-02-26 | THE ANDERSONS RENEWABLES LLC | ALBION, Calhoun, MI | Pass | State |
| 2025-02-25 | MICHIGAN SUGAR COMPANY, CROSWELL FACTORY — high-priority violation on file | CROSWELL, Sanilac, MI | Fail | State |
| 2025-02-20 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2025-02-18 | CLEVELAND-CLIFFS STEEL CORPORATION DEARBORN WORKS | DEARBORN, Wayne, MI | Pass | State |
| 2025-02-18 | MARYSVILLE ETHANOL, LLC | MARYSVILLE, St. Clair, MI | Pass | State |
| 2025-02-18 | NATRON ENERGY INC. | HOLLAND, Allegan, MI | Pass | State |
| 2025-02-17 | WESTERN MICHIGAN UNIVERSITY | KALAMAZOO, Kalamazoo, MI | Pass | State |
| 2025-02-13 | ENERGY DEVELOPMENTS GRAND BLANC, LLC | GRAND BLANC, Genesee, MI | Pass | State |
| 2025-02-12 | DART CONTAINER CORPORATION OF MICHIGAN | MASON, Ingham, MI | Pass | State |
| 2025-02-12 | COREWELL HEALTH - BUTTERWORTH CAMPUS | GRAND RAPIDS, Kent, MI | Pass | State |
| 2025-02-12 | LACKS ENTERPRISES INC. | GRAND RAPIDS, Kent, MI | Pass | State |
| 2025-02-12 | ENERGY DEVELOPMENTS PINCONNING, LLC | PINCONNING, Bay, MI | Pass | State |
| 2025-02-11 | PACKAGING CORPORATION OF AMERICA - FILER CITY MILL | FILER CITY, Manistee, MI | Pass | State |
| 2025-02-11 | ZOETIS LLC | KALAMAZOO, Kalamazoo, MI | Pass | State |
| 2025-02-04 | THE DOW CHEMICAL COMPANY U.S.A., MIDLAND — high-priority violation on file | MIDLAND, Midland, MI | Pass | State |
| 2025-02-04 | ANR PIPELINE - REED CITY COMPRESSOR STATION | REED CITY, Osceola, MI | Pass | State |
| 2025-02-04 | ENERGY DEVELOPMENTS WATERVLIET, LLC | WATERVLIET, Berrien, MI | Pass | State |
| 2025-01-31 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2025-01-30 | GLWA WATER RESOURCE RECOVERY FACILITY | DETROIT, Wayne, MI | Pass | State |
| 2025-01-30 | PHARMACIA & UPJOHN CO LLC, A SUBSIDIARY OF PFIZER | KALAMAZOO, Kalamazoo, MI | Pass | State |
| 2025-01-30 | PINE TREE ACRES, INC. | LENOX TOWNSHIP, Macomb, MI | Pass | State |
| 2025-01-29 | FORD MOTOR COMPANY WAYNE COMPLEX | WAYNE, Wayne, MI | Pass | State |
| 2025-01-29 | DTE ELECTRIC COMPANY - MONROE POWER PLANT | MONROE, Monroe, MI | Pass | State |
| 2025-01-28 | DTE ELECTRIC COMPANY - GREENWOOD ENERGY CENTER | KENOCKEE, St. Clair, MI | Pass | State |
| 2025-01-28 | GENERAL MOTORS LLC - ORION ASSEMBLY | LAKE ORION, Oakland, MI | Pass | State |
| 2025-01-27 | EAGLE VALLEY LANDFILL | LAKE ORION, Oakland, MI | Pass | State |
| 2025-01-23 | NEXTEER AUTOMOTIVE CORPORATION | SAGINAW, Saginaw, MI | Pass | State |
| 2025-01-23 | GRAND RAPIDS WASTEWATER TREATMENT PLANT | GRAND RAPIDS, Kent, MI | Fail | State |
| 2025-01-22 | TES FILER CITY STATION | FILER CITY, Manistee, MI | Pass | State |
| 2025-01-21 | POST FOODS | BATTLE CREEK, Calhoun, MI | Pass | State |
| 2025-01-21 | GLWA WATER RESOURCE RECOVERY FACILITY | DETROIT, Wayne, MI | Pass | State |
| 2025-01-21 | PINE TREE ACRES, INC. | LENOX TOWNSHIP, Macomb, MI | Pass | State |
| 2025-01-17 | COVERT GENERATING STATION — high-priority violation on file | COVERT, Van Buren, MI | Pass | State |
| 2025-01-16 | GRAND RAPIDS WASTEWATER TREATMENT PLANT | GRAND RAPIDS, Kent, MI | Pass | State |
| 2025-01-16 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-01-16 | LANSING BOARD OF WATER & LIGHT - ERICKSON STATION | LANSING, Eaton, MI | Pass | State |
| 2025-01-15 | DETROIT THERMAL BEACON HEATING PLANT | DETROIT, Wayne, MI | Pass | State |
| 2025-01-14 | LACKS ENTERPRISES, INC. — high-priority violation on file | GRAND RAPIDS, Kent, MI | Pass | State |
| 2025-01-10 | MICHIGAN SUGAR COMPANY - SEBEWAING FACTORY — high-priority violation on file | SEBEWAING, Huron, MI | Pass | State |
| 2025-01-10 | BREMBO NORTH AMERICA, INC. — high-priority violation on file | HOMER, Calhoun, MI | Pass | State |
| 2025-01-10 | BREMBO NORTH AMERICA, INC. — high-priority violation on file | HOMER, Calhoun, MI | Pass | State |
| 2025-01-10 | CABOT CORPORATION | MIDLAND, Midland, MI | Pass | State |
| 2025-01-09 | LANSING BOARD OF WATER AND LIGHT - REO TOWN PLANT | LANSING, Ingham, MI | Pass | State |
| 2025-01-09 | LANSING BOARD OF WATER AND LIGHT - REO TOWN PLANT | LANSING, Ingham, MI | Pass | State |
| 2025-01-09 | DTE ST. CLAIR / BELLE RIVER POWER PLANT — high-priority violation on file | CHINA, St. Clair, MI | Pass | State |
| 2025-01-09 | CMS GENERATION KALAMAZOO RIVER GENERATING STATION | COMSTOCK TOWNSHIP, Kalamazoo, MI | Pass | State |
| 2025-01-09 | DTE ELECTRIC COMPANY - DEARBORN ENERGY CENTER | DEARBORN, Wayne, MI | Pass | State |
| 2025-01-08 | US ECOLOGY MICHIGAN | VAN BUREN TOWNSHIP, Wayne, MI | Pass | State |
| 2025-01-08 | CONSUMERS ENERGY - MUSKEGON RIVER COMPRESSOR STATION | MARION, Clare, MI | Pass | State |
| 2025-01-03 | UNIVERSITY OF MICHIGAN | ANN ARBOR, Washtenaw, MI | Pass | State |
| 2025-01-03 | AVL POWERTRAIN ENGINEERING | ANN ARBOR, Washtenaw, MI | Pass | State |
| 2025-01-02 | MICHIGAN SUGAR COMPANY - BAY CITY — high-priority violation on file | BAY CITY, Bay, MI | Pass | State |
| 2025-01-02 | MICHIGAN SUGAR COMPANY-CARO FACTORY — high-priority violation on file | CARO, Tuscola, MI | Pass | State |
| 2025-01-02 | MICHIGAN SUGAR COMPANY, CROSWELL FACTORY — high-priority violation on file | CROSWELL, Sanilac, MI | Pass | State |
| 2025-01-02 | ENERGY DEVELOPMENTS MICHIGAN, LLC | MONTROSE, Genesee, MI | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.