EPA Air · inspections by state and year
Air-emissions inspections in Wisconsin, 2026
- 515Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Every inspection below was recorded against a source in Wisconsin 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 Wisconsin, 2026
- Monroe County 78
- Marathon County 43
- Brown County 41
- Douglas County 25
- Taylor County 22
- Ozaukee County 20
- Dane County 19
- Manitowoc County 17
- Jefferson County 17
- Menominee County 17
- Marinette County 16
- Waushara County 15
- Lincoln County 14
- Rusk County 14
- Eau Claire County 10
- Barron County 9
- Waupaca County 9
- Milwaukee County 8
- Chippewa County 7
- Richland County 7
- Wood County 6
- Waukesha County 6
- Fond du Lac County 6
- Columbia County 6
- Outagamie County 6
- La Crosse County 6
- Oconto County 5
- Sheboygan County 5
- Price County 5
- Oneida County 5
- Ashland County 5
- Pepin County 4
- Green County 4
- Calumet County 4
- Portage County 3
- Juneau County 3
- Kewaunee County 3
- Dunn County 3
- Grant County 3
Wisconsin, other years
Air-emissions inspections recorded in Wisconsin, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-02-04 | PROCTER & GAMBLE PAPER PRODUCTS CO | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-04 | GREEN BAY PACKAGING COATED PRODUCTS DIV | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-04 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-02-04 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-02-04 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-02-04 | CASCADES TISSUE GROUP - WI INC | EAU CLAIRE, Eau Claire, WI | FCE On-Site | State |
| 2026-02-04 | PACKAGING CORPORATION OF AMERICA-TOMAHAW | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-02-04 | AHLSTROM MOSINEE, LLC — high-priority violation on file | MOSINEE, Marathon, WI | PCE Off-Site | State |
| 2026-02-04 | MARTH WOOD SHAVINGS SUPPLY INC — high-priority violation on file | MARATHON, Marathon, WI | PCE Off-Site | State |
| 2026-02-04 | WAUPACA FOUNDRY, INC.-PLANT 4 | MARINETTE, Marinette, WI | PCE Off-Site | State |
| 2026-02-04 | GREDE LLC - LIBERTY — high-priority violation on file | WAUWATOSA, Monroe, WI | PCE Off-Site | State |
| 2026-02-04 | AHLSTROM RHINELANDER LLC | RHINELANDER, Outagamie, WI | PCE Off-Site | State |
| 2026-02-04 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | KAUKAUNA, Ozaukee, WI | PCE Off-Site | State |
| 2026-02-04 | EVONIK CORP | JANESVILLE, Rusk, WI | FCE On-Site | State |
| 2026-02-04 | WISCONSIN ELECTRIC POWER COMPANY D/B/A WE ENERGIES-GERMANTOWN STATION | GERMANTOWN, Waukesha, WI | PCE Off-Site | State |
| 2026-02-04 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | PCE Off-Site | State |
| 2026-02-04 | WAUPACA FOUNDRY INC - PLANT 2 & 3 | WAUPACA, Waushara, WI | PCE Off-Site | State |
| 2026-02-04 | DOMTAR AW LLC — high-priority violation on file | NEKOOSA, Menominee, WI | PCE Off-Site | State |
| 2026-02-04 | COUNTER FORM LLC | MARSHFIELD, Wood, WI | PCE Off-Site | State |
| 2026-02-03 | XCEL ENERGY BAY FRONT GENERATING STATION | ASHLAND, Ashland, WI | PCE Off-Site | State |
| 2026-02-03 | U.S. ENERGY GREEN BAY FOX RIVER TERMINAL | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-03 | U.S. ENERGY GREEN BAY BUCKEYE TERMINAL | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-02-03 | HICKORY MEADOWS LANDFILL, LLC | HILBERT, Calumet, WI | PCE Off-Site | State |
| 2026-02-03 | ENBRIDGE SUPERIOR TERMINAL | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-02-03 | DAIRYLAND POWER ELK MOUND GEN FACILITY | ELK MOUND, Chippewa, WI | PCE Off-Site | State |
| 2026-02-03 | VERITAS STEEL LLC | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-02-03 | SAMUEL PRESSURE VESSEL GROUP | MARINETTE, Marinette, WI | PCE Off-Site | State |
| 2026-02-03 | CARFAIR COMPOSITES USA INC | WAUSAUKEE, Marinette, WI | PCE Off-Site | State |
| 2026-02-03 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-02-03 | CARFAIR COMPOSITES USA INC — high-priority violation on file | GILLETT, Oneida, WI | PCE Off-Site | State |
| 2026-02-03 | NEENAH PAPER - WHITING MILL | STEVENS POINT, Portage, WI | PCE Off-Site | State |
| 2026-02-03 | ND PAPER INC - BIRON DIVISION | WISCONSIN RAPIDS, Menominee, WI | PCE Off-Site | State |
| 2026-02-03 | ADVANCED DISPOSAL SERVICES CRANBERRY CREEK LANDFILL LLC | WISCONSIN RAPIDS, Menominee, WI | PCE Off-Site | State |
| 2026-02-02 | BARRON COUNTY WASTE TO ENERGY AND RECYCLING FACILITY — high-priority violation on file | ALMENA, Barron, WI | PCE Off-Site | State |
| 2026-02-02 | GLACIER RIDGE LANDFILL, LLC | HORICON, Dodge, WI | PCE Off-Site | State |
| 2026-02-02 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-02-02 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-02-02 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-02-02 | PACKAGING CORPORATION OF AMERICA-TOMAHAW | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-02-02 | LOUISIANA-PACIFIC CORPORATION - TOMAHAWK | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-02-02 | MILWAUKEE REGIONAL MEDICAL CENTER THERMAL SERVICES INC | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-02-02 | UNIT DROP FORGE COMPANY, INC | WEST ALLIS, Milwaukee, WI | PCE Off-Site | State |
| 2026-02-02 | GREDE LLC - LIBERTY — high-priority violation on file | WAUWATOSA, Monroe, WI | PCE Off-Site | State |
| 2026-02-02 | LOUISIANA-PACIFIC CORPORATION - HAYWARD | HAYWARD, Shawano, WI | PCE Off-Site | State |
| 2026-02-02 | DISCOVERY ENERGY LLC | MOSEL, Taylor, WI | PCE Off-Site | State |
| 2026-02-02 | DISCOVERY ENERGY LLC | MOSEL, Taylor, WI | PCE Off-Site | State |
| 2026-02-02 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | PCE Off-Site | State |
| 2026-02-02 | EMERALD PARK LANDFILL, LLC | MUSKEGO, Waupaca, WI | PCE Off-Site | State |
| 2026-01-30 | PIONEER METAL FINISHING LLC - CHIPPEWA FALLS | CHIPPEWA FALLS, Chippewa, WI | PCE Off-Site | State |
| 2026-01-30 | WRR ENVIRONMENTAL SERVICES CO INC — high-priority violation on file | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-01-30 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-01-30 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | PCE Off-Site | State |
| 2026-01-30 | LITTLE RAPIDS CORP - SHAWANO PAPER MILL | SHAWANO, Sheboygan, WI | PCE Off-Site | State |
| 2026-01-30 | WPL - NEENAH GENERATING FACILITY — high-priority violation on file | NEENAH, Winnebago, WI | PCE Off-Site | State |
| 2026-01-29 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | PCE Off-Site | State |
| 2026-01-29 | BRP US INC — high-priority violation on file | STURTEVANT, Richland, WI | FCE On-Site | State |
| 2026-01-29 | BAKER MANUFACTURING | EVANSVILLE, Rusk, WI | PCE Off-Site | State |
| 2026-01-29 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | FCE On-Site | State |
| 2026-01-28 | GEORGIA PACIFIC BROADWAY LLC | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-01-28 | GEORGIA PACIFIC BROADWAY LLC | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-01-28 | GEORGIA PACIFIC BROADWAY LLC | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-01-28 | WISCONSIN PUBLIC SERVICE CORP - DE PERE | DE PERE, Brown, WI | FCE On-Site | State |
| 2026-01-28 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-01-28 | MASTERMOLD LLC | JOHNSON CREEK, Jefferson, WI | PCE Off-Site | State |
| 2026-01-28 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-01-28 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-01-28 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | PCE Off-Site | State |
| 2026-01-27 | WISCONSIN PUBLIC SERVICE CORP - DE PERE | DE PERE, Brown, WI | PCE Off-Site | State |
| 2026-01-27 | WISCONSIN ALUMINUM FOUNDRY — high-priority violation on file | MANITOWOC, Manitowoc, WI | PCE Off-Site | State |
| 2026-01-27 | DOMTAR PAPER CO LLC | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-01-27 | MAYNARD STEEL CASTING CO | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-01-27 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-01-27 | ABX SOLUTIONS, LLC | MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-01-26 | MTTM CORPORATION | ASHLAND, Ashland, WI | FCE On-Site | State |
| 2026-01-26 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-01-26 | SHEBOYGAN PAINT CO. — high-priority violation on file | SHEBOYGAN, Sheboygan, WI | PCE Off-Site | State |
| 2026-01-23 | AMCOR WISCONSIN, LLC - BOSCOBEL — high-priority violation on file | BOSCOBEL, Grant, WI | FCE On-Site | State |
| 2026-01-23 | LINCOLN WOOD PRODUCTS | MERRILL, Lincoln, WI | FCE On-Site | State |
| 2026-01-23 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | PCE Off-Site | State |
| 2026-01-23 | SHEBOYGAN PAINT CO. — high-priority violation on file | SHEBOYGAN, Sheboygan, WI | FCE On-Site | State |
| 2026-01-22 | BALL CONTAINER, LLC | FORT ATKINSON, Jefferson, WI | PCE Off-Site | State |
| 2026-01-22 | CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file | MANITOWOC, Manitowoc, WI | FCE On-Site | State |
| 2026-01-22 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-01-22 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-01-22 | CASTALLOY, INC. | WAUKESHA, Waukesha, WI | PCE Off-Site | State |
| 2026-01-22 | QUAD/GRAPHICS INC | SUSSEX, Waupaca, WI | FCE On-Site | State |
| 2026-01-21 | WISCONSIN ELECTRIC POWER COMPANY, D/B/A | WATERTOWN, Jefferson, WI | PCE Off-Site | State |
| 2026-01-21 | FLINT HILLS RESOURCES PINE BEND, LLC - M | MILWAUKEE, Milwaukee, WI | PCE Off-Site | State |
| 2026-01-20 | WISCONSIN PUBLIC SERVICE CORP-WEST MARIN | PESHTIGO, Marinette, WI | PCE Off-Site | State |
| 2026-01-20 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-01-20 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-01-20 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-01-20 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-01-16 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | FCE On-Site | State |
| 2026-01-13 | MOLSON COORS USA LLC | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-01-13 | APPLETON GRP LLC — high-priority violation on file | SOUTH MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-01-13 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | PCE Off-Site | State |
| 2026-01-13 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | PCE Off-Site | State |
| 2026-01-12 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-01-12 | XCEL ENERGY - FRENCH ISLAND GENERATING PLANT | LA CROSSE, La Crosse, WI | PCE Off-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.