EPA Air · stack tests by state and year
Air-emissions stack tests in Minnesota, 2024
- 250Stack 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 Minnesota during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Minnesota, 2024
- Dakota County 32
- St. Louis County 19
- Hennepin County 15
- Washington County 13
- Sherburne County 10
- Sibley County 9
- Ramsey County 9
- Carlton County 8
- Benton County 8
- Blue Earth County 7
- Polk County 7
- Anoka County 7
- Scott County 6
- Otter Tail County 5
- Lake County 5
- Nobles County 4
- Martin County 4
- Winona County 4
- Beltrami County 4
- Lyon County 4
- Carver County 4
- Fillmore County 4
- Clay County 4
- Roseau County 3
- Koochiching County 3
- Redwood County 3
- Olmsted County 3
- Dodge County 3
- Goodhue County 3
- Le Sueur County 3
- Freeborn County 3
- Norman County 3
- Stevens County 3
Minnesota, other years
Air-emissions stack tests recorded in Minnesota, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-08-05 | KNIFE RIVER CENTRAL MINNESOTA | SAUK RAPIDS, Benton, MN | Pass | State |
| 2024-08-05 | POLARIS INDUSTRIES, INC | ROSEAU, Roseau, MN | Pass | State |
| 2024-08-01 | POET BIOREFINING - PRESTON | PRESTON, Fillmore, MN | Pass | State |
| 2024-07-31 | LOUISIANA-PACIFIC CORP - TWO HARBORS | TWO HARBORS, Lake, MN | N/A | State |
| 2024-07-31 | CAMBRIA CO | LE SUEUR, Le Sueur, MN | Pass | State |
| 2024-07-30 | POET BIOREFINING GLENVILLE LLC | ALBERT LEA, Freeborn, MN | Pass | State |
| 2024-07-30 | CHS HALLOCK | KENNEDY, Kittson, MN | Pass | State |
| 2024-07-29 | MINNESOTA POWER - BOSWELL ENERGY CENTER | COHASSET, Itasca, MN | Pass | State |
| 2024-07-25 | OTTER LAKE TECHNOLOGIES | WHITE BEAR TOWNSHIP, Ramsey, MN | N/A | State |
| 2024-07-24 | ANCHOR GLASS CONTAINER CORP | SHAKOPEE, Scott, MN | Pass | State |
| 2024-07-23 | FEDERAL CARTRIDGE COMPANY | ANOKA, Anoka, MN | Pass | State |
| 2024-07-23 | DENCO II LLC | MORRIS, Stevens, MN | Pass | State |
| 2024-07-22 | HENNEPIN ENERGY RECOVERY CENTER | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2024-07-22 | CLEVELAND-CLIFFS MINORCA MINE INC | VIRGINIA, St. Louis, MN | Pass | State |
| 2024-07-22 | COMMERCIAL ASPHALT CO - PLANT 906 | RAMSEY, Anoka, MN | Pass | State |
| 2024-07-18 | STRONGWELL - CHATFIELD DIVISION | CHATFIELD, Fillmore, MN | N/A | State |
| 2024-07-18 | VIKING GAS TRANSMISSION CO - FRAZEE COMPRESSOR STATION | FRAZEE, Otter Tail, MN | N/A | State |
| 2024-07-17 | POET BIOREFINING LAKE CRYSTAL LLC | LAKE CRYSTAL, Blue Earth, MN | Pass | State |
| 2024-07-17 | XCEL ENERGY - WESCOTT LNG PLANT | INVER GROVE HEIGHTS, Dakota, MN | Pass | State |
| 2024-07-16 | MACLEAN POWER SYSTEMS MANKATO LLC | MANKATO, Blue Earth, MN | Pass | State |
| 2024-07-16 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | N/A | State |
| 2024-07-16 | HOOD PACKAGING CORP | ARDEN HILLS, Ramsey, MN | Pass | State |
| 2024-07-16 | ELK RIVER LANDFILL, INC. | ELK RIVER, Sherburne, MN | Pass | State |
| 2024-07-16 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-07-11 | BOISE WHITE PAPER LLC | INTERNATIONAL FALLS, Koochiching, MN | Pass | State |
| 2024-07-11 | XCEL ENERGY - ALLEN S KING GENERATING PLANT | BAYPORT, Washington, MN | Pass | State |
| 2024-07-10 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-07-09 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-07-03 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | Pass | State |
| 2024-06-27 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-06-21 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2024-06-18 | CHS MANKATO | MANKATO, Blue Earth, MN | Pass | State |
| 2024-06-18 | AL-CORN CLEAN FUEL LLC | CLAREMONT, Dodge, MN | Fail | State |
| 2024-06-18 | XCEL ENERGY - RED WING GENERATING PLANT | RED WING, Goodhue, MN | Pass | State |
| 2024-06-18 | SYENSQO DBA CYTEC ENGINEERED MATERIALS LNC | WINONA, Winona, MN | Pass | State |
| 2024-06-17 | AMRIZE MIDWEST INC - NONMETALLIC | EAGAN, Dakota, MN | Pass | State |
| 2024-06-11 | VIKING GAS TRANSMISSION CO - ADA COMPRESSOR STATION | ADA, Norman, MN | N/A | State |
| 2024-06-10 | VIKING GAS TRANSMISSION CO - ADA COMPRESSOR STATION | ADA, Norman, MN | Pass | State |
| 2024-06-06 | WM MUELLER & SONS INC | HAMBURG, Carver, MN | Pass | State |
| 2024-06-06 | TILLER CORP - MAPLE GROVE MINING & PROCESSING FACILITY | MAPLE GROVE, Hennepin, MN | Pass | State |
| 2024-06-06 | MARATHON SAINT PAUL PARK REFINERY | SAINT PAUL PARK, Washington, MN | Pass | State |
| 2024-06-05 | MARATHON SAINT PAUL PARK REFINERY | SAINT PAUL PARK, Washington, MN | N/A | State |
| 2024-06-04 | ABBOTT NORTHWESTERN HOSPITAL | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2024-06-04 | ANCHOR GLASS CONTAINER CORP | SHAKOPEE, Scott, MN | Fail | State |
| 2024-06-04 | MET COUNCIL - BLUE LAKE WWTP | SHAKOPEE, Scott, MN | N/A | State |
| 2024-06-03 | MANKATO ENERGY CENTER | MANKATO, Blue Earth, MN | Pass | State |
| 2024-06-03 | BOISE WHITE PAPER LLC | INTERNATIONAL FALLS, Koochiching, MN | Pass | State |
| 2024-06-03 | MAYO MEDICAL CENTER - ROCHESTER | ROCHESTER, Olmsted, MN | Pass | State |
| 2024-06-03 | MARVIN WINDOWS AND DOORS | WARROAD, Roseau, MN | Pass | State |
| 2024-06-03 | ME GLOBAL INC | DULUTH, St. Louis, MN | Pass | State |
| 2024-05-31 | VIKING GAS TRANSMISSION CO - FRAZEE COMPRESSOR STATION | FRAZEE, Otter Tail, MN | N/A | State |
| 2024-05-30 | GREDE LLC - SAINT CLOUD | SAINT CLOUD, Benton, MN | Fail | State |
| 2024-05-30 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-05-30 | AG PROCESSING INC - DAWSON | DAWSON, Lac qui Parle, MN | Pass | State |
| 2024-05-29 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-05-29 | OTTER LAKE TECHNOLOGIES | WHITE BEAR TOWNSHIP, Ramsey, MN | Pass | State |
| 2024-05-28 | VIKING GAS TRANSMISSION - ANGUS COMPRESSOR STATION | ANGUS, Polk, MN | Pass | State |
| 2024-05-23 | CAMBRIA CO | LE SUEUR, Le Sueur, MN | Pass | State |
| 2024-05-23 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-05-22 | UNITED STATES STEEL CORP - KEETAC | KEEWATIN, St. Louis, MN | Pass | State |
| 2024-05-22 | BAY STATE MILLING CO | WINONA, Winona, MN | Pass | State |
| 2024-05-21 | SAPPI CLOQUET LLC | CLOQUET, Carlton, MN | Pass | State |
| 2024-05-21 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | SAINT PAUL, Ramsey, MN | N/A | State |
| 2024-05-21 | HIBBING TACONITE CO | HIBBING, St. Louis, MN | Pass | State |
| 2024-05-14 | XCEL ENERGY - WILMARTH GENERATING PLANT | MANKATO, Blue Earth, MN | Pass | State |
| 2024-05-14 | GREEN PLAINS FAIRMONT LLC | FAIRMONT, Martin, MN | Pass | State |
| 2024-05-14 | PERHAM RESOURCE RECOVERY FACILITY | PERHAM, Otter Tail, MN | Pass | State |
| 2024-05-09 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-05-09 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-05-08 | GOPHER RESOURCE LLC | EAGAN, Dakota, MN | Pass | State |
| 2024-05-07 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-05-07 | GOPHER RESOURCE LLC | EAGAN, Dakota, MN | Pass | State |
| 2024-05-07 | KRAEMER MINING & MATERIALS - BURNSVILLE | BURNSVILLE, Dakota, MN | Pass | State |
| 2024-05-07 | POET BIOREFINING - PRESTON | PRESTON, Fillmore, MN | Fail | State |
| 2024-05-06 | LG EVERIST INC | ORTONVILLE, Big Stone, MN | Pass | State |
| 2024-05-06 | LSP COTTAGE GROVE COGENERATION FACILITY | COTTAGE GROVE, Washington, MN | Pass | State |
| 2024-05-01 | OWATONNA ENERGY STATION | OWATONNA, Steele, MN | Pass | State |
| 2024-04-30 | FILMTEC CORP | EDINA, Hennepin, MN | Pass | State |
| 2024-04-30 | DENCO II LLC | MORRIS, Stevens, MN | Fail | State |
| 2024-04-30 | LSP COTTAGE GROVE COGENERATION FACILITY | COTTAGE GROVE, Washington, MN | Pass | State |
| 2024-04-30 | CENTRAL SPECIALTIES INC - PLANT 4 | ALEXANDRIA, Douglas, MN | Pass | State |
| 2024-04-29 | HIGHWATER ETHANOL LLC | LAMBERTON, Redwood, MN | Pass | State |
| 2024-04-25 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2024-04-23 | GREDE LLC - SAINT CLOUD | SAINT CLOUD, Benton, MN | Fail | State |
| 2024-04-23 | 3M HUTCHINSON | HUTCHINSON, McLeod, MN | Pass | State |
| 2024-04-23 | OLMSTED COUNTY WASTE-TO-ENERGY FACILITY | ROCHESTER, Olmsted, MN | Pass | State |
| 2024-04-18 | GENERAL MILLS OPERATIONS LLC | FRIDLEY, Anoka, MN | Pass | State |
| 2024-04-17 | HIBBING TACONITE CO | HIBBING, St. Louis, MN | N/A | State |
| 2024-04-16 | USG INTERIORS LLC - CLOQUET MN | CLOQUET, Carlton, MN | Pass | State |
| 2024-04-16 | BLUE EARTH LIGHT AND WATER | BLUE EARTH, Faribault, MN | Fail | State |
| 2024-04-16 | CHS HALLOCK | KENNEDY, Kittson, MN | Pass | State |
| 2024-04-10 | UNIVERSITY OF MN - TWIN CITIES | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2024-04-10 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2024-04-09 | UNIVERSITY OF MN - TWIN CITIES | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2024-04-08 | US STEEL CORP - MINNTAC | MOUNTAIN IRON, St. Louis, MN | Pass | State |
| 2024-04-03 | GREDE LLC - SAINT CLOUD | SAINT CLOUD, Benton, MN | Fail | State |
| 2024-04-02 | EGA SPECTRO ALLOYS | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-04-02 | BUSHMILLS ETHANOL INC | ATWATER, Kandiyohi, MN | Pass | State |
| 2024-04-02 | LOUISIANA-PACIFIC CORP - TWO HARBORS | TWO HARBORS, Lake, MN | Pass | State |
| 2024-04-02 | ANDERSEN CORPORATION | BAYPORT, Washington, MN | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.