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 |
|---|---|---|---|---|
| 2024-12-19 | XCEL ENERGY - MONTICELLO NUCLEAR GENERATING FACILITY | MONTICELLO, Wright, MN | Pass | State |
| 2024-12-18 | WEST FRASER US EWP - BEMIDJI | SOLWAY, Beltrami, MN | Pass | State |
| 2024-12-18 | SANIMAX USA INC | SOUTH SAINT PAUL, Dakota, MN | N/A | State |
| 2024-12-17 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | EAST GRAND FORKS, Polk, MN | Pass | State |
| 2024-12-17 | HIGHWATER ETHANOL LLC | LAMBERTON, Redwood, MN | Pass | State |
| 2024-12-17 | WLSSD WWTP | DULUTH, St. Louis, MN | Pass | State |
| 2024-12-16 | OWENS CORNING - MINNEAPOLIS PLANT | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2024-12-11 | POET BIOREFINING GLENVILLE LLC | ALBERT LEA, Freeborn, MN | Pass | State |
| 2024-12-11 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-12-11 | MARATHON SAINT PAUL PARK REFINERY | SAINT PAUL PARK, Washington, MN | N/A | State |
| 2024-12-10 | POET BIOREFINING LAKE CRYSTAL LLC | LAKE CRYSTAL, Blue Earth, MN | Pass | State |
| 2024-12-10 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-12-03 | MET COUNCIL METROPOLITAN WATER RESOURCE RECOVERY FACILITY | SAINT PAUL, Ramsey, MN | Pass | State |
| 2024-12-03 | DULUTH ENERGY SYSTEMS | DULUTH, St. Louis, MN | Pass | State |
| 2024-12-02 | SAPPI CLOQUET LLC | CLOQUET, Carlton, MN | Pass | State |
| 2024-12-02 | XCEL ENERGY - PRAIRIE ISLAND NUCLEAR PLANT | WELCH, Goodhue, MN | Pass | State |
| 2024-11-26 | AMERICAN CRYSTAL SUGAR - MOORHEAD — high-priority violation on file | MOORHEAD, Clay, MN | Pass | State |
| 2024-11-26 | GREAT LAKES GAS TRANSMISSION - SHEVLIN COMPRESSOR STATION 3 | SHEVLIN, Clearwater, MN | N/A | State |
| 2024-11-26 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-11-25 | CAMBRIA CO | LE SUEUR, Le Sueur, MN | Pass | State |
| 2024-11-25 | ME GLOBAL INC | DULUTH, St. Louis, MN | Pass | State |
| 2024-11-21 | NORTHSHORE MINING CO - SILVER BAY | SILVER BAY, Lake, MN | Pass | State |
| 2024-11-20 | GUARDIAN ENERGY LLC | JANESVILLE, Waseca, MN | Pass | State |
| 2024-11-19 | EMR NORTHERN METAL RECYCLING - BECKER | BECKER, Sherburne, MN | Pass | State |
| 2024-11-19 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-11-18 | MARVIN WINDOWS AND DOORS | WARROAD, Roseau, MN | Pass | State |
| 2024-11-14 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-11-13 | NORTHERN NATURAL GAS CO - CARLTON | CARLTON, Carlton, MN | Pass | State |
| 2024-11-13 | SOUTHERN MINNESOTA BEET SUGAR COOP | RENVILLE, Renville, MN | Pass | State |
| 2024-11-13 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | Pass | State |
| 2024-11-12 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-11-12 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | Pass | State |
| 2024-11-05 | SMMPA METHANE ENERGY FACILITY | MORA, Kanabec, MN | Fail | State |
| 2024-11-05 | AMERICAN CRYSTAL SUGAR - CROOKSTON | CROOKSTON, Polk, MN | Pass | State |
| 2024-10-30 | VIKING GAS TRANSMISSION CO - ADA COMPRESSOR STATION | ADA, Norman, MN | Pass | State |
| 2024-10-29 | VIKING GAS TRANSMISSION CO - FRAZEE COMPRESSOR STATION | FRAZEE, Otter Tail, MN | Pass | State |
| 2024-10-29 | AMERICAN CRYSTAL SUGAR - EAST GRAND FORKS | EAST GRAND FORKS, Polk, MN | Pass | State |
| 2024-10-29 | SYENSQO DBA CYTEC ENGINEERED MATERIALS LNC | WINONA, Winona, MN | Pass | State |
| 2024-10-28 | DAKOTA AGGREGATES - UMORE PARK FACILITY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-10-24 | ANDERSEN CORPORATION | BAYPORT, Washington, MN | Pass | State |
| 2024-10-22 | AMERICAN CRYSTAL SUGAR - MOORHEAD — high-priority violation on file | MOORHEAD, Clay, MN | Pass | State |
| 2024-10-22 | AL-CORN CLEAN FUEL LLC | CLAREMONT, Dodge, MN | Fail | State |
| 2024-10-21 | AMERICAN CRYSTAL SUGAR - MOORHEAD — high-priority violation on file | MOORHEAD, Clay, MN | Pass | State |
| 2024-10-21 | ABBOTT NORTHWESTERN HOSPITAL | MINNEAPOLIS, Hennepin, MN | N/A | State |
| 2024-10-21 | JBS WORTHINGTON MN | WORTHINGTON, Nobles, MN | Pass | State |
| 2024-10-17 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-10-17 | WASTE MANAGEMENT - MAPLE GROVE TRANSFER STATION | MAPLE GROVE, Hennepin, MN | Pass | State |
| 2024-10-16 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-10-16 | AMRIZE MIDWEST INC - NONMETALLIC | EAGAN, Dakota, MN | Pass | State |
| 2024-10-15 | POET BIOREFINING - PRESTON | PRESTON, Fillmore, MN | Pass | State |
| 2024-10-15 | HIGHWATER ETHANOL LLC | LAMBERTON, Redwood, MN | Pass | State |
| 2024-10-15 | SAVAGE RIVERPORT LLC | SAVAGE, Scott, MN | Pass | State |
| 2024-10-15 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-10-11 | GREEN PLAINS FAIRMONT LLC | FAIRMONT, Martin, MN | Pass | State |
| 2024-10-10 | MARTIN MARIETTA MATERIALS INC - YELLOW MEDICINE | GRANITE FALLS, Stearns, MN | Pass | State |
| 2024-10-09 | WEST FRASER US EWP - BEMIDJI | SOLWAY, Beltrami, MN | Pass | State |
| 2024-10-09 | UNIVERSITY OF MN - TWIN CITIES | MINNEAPOLIS, Hennepin, MN | Pass | State |
| 2024-10-08 | HIBBING PUBLIC UTILITIES COMMISSION | HIBBING, St. Louis, MN | Fail | State |
| 2024-10-07 | BOISE WHITE PAPER LLC | INTERNATIONAL FALLS, Koochiching, MN | Pass | State |
| 2024-10-03 | GREDE LLC - SAINT CLOUD | SAINT CLOUD, Benton, MN | N/A | State |
| 2024-10-01 | GREDE LLC - SAINT CLOUD | SAINT CLOUD, Benton, MN | Fail | State |
| 2024-10-01 | GOPHER RESOURCE LLC | EAGAN, Dakota, MN | Pass | State |
| 2024-10-01 | WORTHINGTON DIESEL GENERATING PLANT | WORTHINGTON, Nobles, MN | Pass | State |
| 2024-10-01 | WISCONSIN CENTRAL LTD | DULUTH, St. Louis, MN | Pass | State |
| 2024-09-25 | AMRIZE MIDWEST INC - NONMETALLIC | EAGAN, Dakota, MN | Pass | State |
| 2024-09-24 | VIKING GAS TRANSMISSION CO - FRAZEE COMPRESSOR STATION | FRAZEE, Otter Tail, MN | Pass | State |
| 2024-09-24 | HEARTLAND CORN PRODUCTS | WINTHROP, Sibley, MN | Pass | State |
| 2024-09-24 | GUARDIAN ENERGY LLC | JANESVILLE, Waseca, MN | Pass | State |
| 2024-09-23 | UNITED TACONITE LLC - FAIRLANE PLANT | FORBES, St. Louis, MN | Pass | State |
| 2024-09-19 | ADM - MARSHALL | MARSHALL, Lyon, MN | Pass | State |
| 2024-09-19 | GLENCOE LIGHT & POWER COMMISSION | GLENCOE, McLeod, MN | Pass | State |
| 2024-09-17 | GRAND MARAIS PUBLIC UTILITIES COMMISSION | GRAND MARAIS, Cook, MN | Pass | State |
| 2024-09-17 | ADM - MARSHALL | MARSHALL, Lyon, MN | Pass | State |
| 2024-09-17 | DENCO II LLC | MORRIS, Stevens, MN | Pass | State |
| 2024-09-17 | ANDERSEN CORPORATION | BAYPORT, Washington, MN | Pass | State |
| 2024-09-12 | WASTE MANAGEMENT - MAPLE GROVE TRANSFER STATION | MAPLE GROVE, Hennepin, MN | Pass | State |
| 2024-09-10 | ULLAND BROTHERS INC - PLANT 3605 | CLOQUET, Carlton, MN | Pass | State |
| 2024-09-09 | WM MUELLER & SONS INC | HAMBURG, Carver, MN | Pass | State |
| 2024-09-09 | MOM BRANDS | NORTHFIELD, Rice, MN | N/A | State |
| 2024-09-09 | UNITED STATES STEEL CORP - KEETAC | KEEWATIN, St. Louis, MN | Pass | State |
| 2024-09-05 | GOLD'N PLUMP FARMS LLC - SAUK RAPIDS FEED MILL | SAUK RAPIDS, Benton, MN | Pass | State |
| 2024-09-05 | SAPPI CLOQUET LLC | CLOQUET, Carlton, MN | Pass | State |
| 2024-09-05 | BUSHMILLS ETHANOL INC | ATWATER, Kandiyohi, MN | Pass | State |
| 2024-09-04 | USG INTERIORS LLC | RED WING, Goodhue, MN | Pass | State |
| 2024-08-29 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | Pass | State |
| 2024-08-28 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | Pass | State |
| 2024-08-27 | CHS OILSEED PROCESSING | FAIRMONT, Martin, MN | Pass | State |
| 2024-08-27 | ST. PAUL ASPHALT PLANT #905 | SAINT PAUL, Ramsey, MN | Pass | State |
| 2024-08-27 | XCEL ENERGY - SHERBURNE COUNTY GENERATING PLANT | BECKER, Sherburne, MN | N/A | State |
| 2024-08-22 | NORTHLAND CONSTRUCTORS OF DULUTH - PLANT 21 | DULUTH, St. Louis, MN | Pass | State |
| 2024-08-21 | NORTHERN BORDER PIPELINE - COMPRESSOR 13 | TRIMONT, Martin, MN | Pass | State |
| 2024-08-21 | RAHR MALTING CO. | SHAKOPEE, Scott, MN | N/A | State |
| 2024-08-20 | USG INTERIORS LLC - CLOQUET MN | CLOQUET, Carlton, MN | Pass | State |
| 2024-08-20 | NORTHERN NATURAL GAS CO - NORTH BRANCH | HARRIS, Chisago, MN | Pass | State |
| 2024-08-20 | MOORHEAD CITY OF - AIR CURTAIN INCINERATOR | MOORHEAD, Clay, MN | Pass | State |
| 2024-08-20 | ANDERSON BROTHERS CONSTRUCTION CO | BRAINERD, Crow Wing, MN | Pass | State |
| 2024-08-20 | NORTHERN BORDER PIPELINE - COMPRESSOR 12 | GARVIN, Lyon, MN | Pass | State |
| 2024-08-14 | FLINT HILLS RESOURCES PINE BEND REFINERY | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-08-13 | MCNAMARA CONTRACTING INC | ROSEMOUNT, Dakota, MN | Pass | State |
| 2024-08-08 | IDEAL CONSTRUCTION | STAPLES, Todd, MN | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.