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 |
|---|---|---|---|---|
| 2026-09-03 | COATING PLACE LLC — high-priority violation on file | VERONA, Dane, WI | PCE On-Site | U.S. EPA |
| 2026-09-03 | DANE COUNTY LANDFILL SITE #2 RODEFELD | MADISON, Dane, WI | PCE Off-Site | State |
| 2026-09-03 | MMSD-JONES ISLAND WATER RECLAMATION FACILITY | MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-09-03 | MMSD-SOUTHSHORE WASTEWATER TREATMENT PLANT | OAK CREEK, Monroe, WI | FCE On-Site | State |
| 2026-09-02 | HICKORY MEADOWS LANDFILL, LLC | HILBERT, Calumet, WI | PCE Off-Site | State |
| 2026-09-02 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-09-02 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | PCE Off-Site | State |
| 2026-09-01 | DEER TRACK PARK LANDFILL | WATERTOWN, Jefferson, WI | PCE Off-Site | State |
| 2026-09-01 | VIRIDI MARATHON, LLC | RINGLE, Marathon, WI | FCE On-Site | State |
| 2026-09-01 | CLCM OAK CREEK — high-priority violation on file | OAK CREEK, Monroe, WI | FCE On-Site | State |
| 2026-08-31 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-31 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-31 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-28 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | PCE Off-Site | State |
| 2026-08-28 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | PCE Off-Site | State |
| 2026-08-27 | EATON COOPER POWER SYSTEMS LLC — high-priority violation on file | WAUKESHA, Waupaca, WI | FCE On-Site | State |
| 2026-08-25 | DISCOVERY ENERGY LLC | MOSEL, Taylor, WI | PCE Off-Site | State |
| 2026-08-24 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-08-24 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-08-20 | PIONEER METAL FINISHING LLC - CHIPPEWA FALLS | CHIPPEWA FALLS, Chippewa, WI | PCE Off-Site | State |
| 2026-08-20 | PIONEER METAL FINISHING LLC - CHIPPEWA FALLS | CHIPPEWA FALLS, Chippewa, WI | PCE Off-Site | State |
| 2026-08-20 | WEST SHORE - GRANVILLE STATION (GT) | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-08-20 | GREDE LLC - LIBERTY — high-priority violation on file | WAUWATOSA, Monroe, WI | PCE Off-Site | State |
| 2026-08-18 | 3M CUMBERLAND FACILITY | CUMBERLAND, Barron, WI | PCE Off-Site | State |
| 2026-08-18 | INLAND LABEL AND MARKETING LLC | LA CROSSE, La Crosse, WI | FCE On-Site | State |
| 2026-08-17 | F G PRODUCTS INC | RICE LAKE, Barron, WI | FCE On-Site | State |
| 2026-08-17 | WRR ENVIRONMENTAL SERVICES CO INC — high-priority violation on file | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-08-17 | WRR ENVIRONMENTAL SERVICES CO INC — high-priority violation on file | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-08-17 | WRR ENVIRONMENTAL SERVICES CO INC — high-priority violation on file | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-08-17 | WRR ENVIRONMENTAL SERVICES CO INC — high-priority violation on file | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-08-17 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | PCE Off-Site | State |
| 2026-08-14 | ROCKGEN ENERGY CENTER — high-priority violation on file | CAMBRIDGE, Dane, WI | FCE On-Site | State |
| 2026-08-14 | MULLINS CHEESE INC — high-priority violation on file | MOSINEE, Marathon, WI | FCE On-Site | State |
| 2026-08-14 | MULLINS WHEY LLC | PLOVER, Price, WI | FCE On-Site | State |
| 2026-08-13 | GREDE LLC - LIBERTY — high-priority violation on file | WAUWATOSA, Monroe, WI | PCE Off-Site | State |
| 2026-08-13 | GREDE LLC - LIBERTY — high-priority violation on file | WAUWATOSA, Monroe, WI | PCE Off-Site | State |
| 2026-08-13 | FLINT HILLS RESOURCES PINE BEND LLC - JUNCTION CITY TERMINAL | JUNCTION CITY, Price, WI | PCE Off-Site | State |
| 2026-08-11 | MID-AMERICA STEEL DRUM COMPANY-CLCM — high-priority violation on file | SAINT FRANCIS, Monroe, WI | PCE Off-Site | State |
| 2026-08-10 | UW MADISON CHARTER STREET HEATING PLANT (DOA) | MADISON, Dane, WI | PCE Off-Site | State |
| 2026-08-10 | ROCKGEN ENERGY CENTER — high-priority violation on file | CAMBRIDGE, Dane, WI | PCE Off-Site | State |
| 2026-08-10 | WISCONSIN HEAVY FABRICATION | MANITOWOC, Manitowoc, WI | PCE Off-Site | State |
| 2026-08-10 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-08-10 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-08-10 | THE NEWARK GROUP, INC. | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-08-10 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-08-10 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-08-10 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-08-10 | WE ENERGIES PORT WASHINGTON GENERATING STATION | PORT WASHINGTON, Pepin, WI | PCE Off-Site | State |
| 2026-08-10 | AHLSTROM STEVENS POINT LLC — high-priority violation on file | STEVENS POINT, Price, WI | PCE Off-Site | State |
| 2026-08-10 | ARDAGH GLASS INC — high-priority violation on file | BURLINGTON, Richland, WI | PCE Off-Site | State |
| 2026-08-10 | ARDAGH GLASS INC — high-priority violation on file | BURLINGTON, Richland, WI | PCE Off-Site | State |
| 2026-08-10 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-10 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-10 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-10 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-10 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-08-10 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | PCE Off-Site | State |
| 2026-08-10 | WAUPACA FOUNDRY INC - PLANT 1 | WAUPACA, Waushara, WI | PCE Off-Site | State |
| 2026-08-10 | WAUPACA FOUNDRY INC - PLANT 2 & 3 | WAUPACA, Waushara, WI | PCE Off-Site | State |
| 2026-08-07 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-07 | PROCTER & GAMBLE PAPER PRODUCTS CO | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-07 | DAIRYLAND POWER COOP ALMA SITE | ALMA, Buffalo, WI | PCE Off-Site | State |
| 2026-08-07 | CARDINAL FG | PORTAGE, Columbia, WI | PCE Off-Site | State |
| 2026-08-07 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-08-07 | CARDINAL FG COMPANY | MENOMONIE, Dunn, WI | PCE Off-Site | State |
| 2026-08-07 | CASCADES TISSUE GROUP - WI INC | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-08-07 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | PCE Off-Site | State |
| 2026-08-07 | DOMTAR PAPER CO LLC | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-08-07 | WISCONSIN PUBLIC SERVICE CORP-WEST MARIN | PESHTIGO, Marinette, WI | PCE Off-Site | State |
| 2026-08-07 | MMSD-SOUTHSHORE WASTEWATER TREATMENT PLANT | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-08-07 | WISCONSIN PUBLIC SERVICE CORPORATION - F | KAUKAUNA, Outagamie, WI | PCE Off-Site | State |
| 2026-08-07 | KOHLER CO - METALS PROCESSING COMPLEX | KOHLER, Taylor, WI | PCE Off-Site | State |
| 2026-08-07 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | PCE Off-Site | State |
| 2026-08-06 | GREEN BAY PACKAGING INC - GB MILL DIV | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-06 | GREEN BAY PACKAGING INC - GB MILL DIV | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-06 | GREEN BAY PACKAGING INC - GB MILL DIV | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-06 | GREEN BAY PACKAGING INC - GB MILL DIV | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-06 | ALLIANT ENERGY - WPL - COLUMBIA ENERGY CENTER | PARDEEVILLE, Columbia, WI | PCE Off-Site | State |
| 2026-08-06 | GRAYMONT WESTERN LIME - EDEN | EDEN, Fond du Lac, WI | PCE Off-Site | State |
| 2026-08-06 | INTERFLEX GROUP | MERRILL, Lincoln, WI | FCE On-Site | State |
| 2026-08-06 | AHLSTROM RHINELANDER LLC | RHINELANDER, Outagamie, WI | PCE Off-Site | State |
| 2026-08-06 | DOMTAR AW LLC — high-priority violation on file | NEKOOSA, Menominee, WI | PCE Off-Site | State |
| 2026-08-06 | DOMTAR AW LLC — high-priority violation on file | NEKOOSA, Menominee, WI | PCE Off-Site | State |
| 2026-08-05 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-08-05 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-08-05 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-08-03 | XCEL ENERGY BAY FRONT GENERATING STATION | ASHLAND, Ashland, WI | PCE Off-Site | State |
| 2026-08-03 | XCEL ENERGY BAY FRONT GENERATING STATION | ASHLAND, Ashland, WI | PCE Off-Site | State |
| 2026-08-03 | BARRON COUNTY WASTE TO ENERGY AND RECYCLING FACILITY — high-priority violation on file | ALMENA, Barron, WI | PCE Off-Site | State |
| 2026-08-03 | BARRON COUNTY WASTE TO ENERGY AND RECYCLING FACILITY — high-priority violation on file | ALMENA, Barron, WI | PCE Off-Site | State |
| 2026-08-03 | BARRON COUNTY WASTE TO ENERGY AND RECYCLING FACILITY — high-priority violation on file | ALMENA, Barron, WI | PCE Off-Site | State |
| 2026-08-03 | U.S. ENERGY GREEN BAY FOX RIVER TERMINAL | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-03 | U.S. ENERGY GREEN BAY BUCKEYE TERMINAL | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-08-03 | DAIRYLAND POWER ELK MOUND GEN FACILITY | ELK MOUND, Chippewa, WI | PCE Off-Site | State |
| 2026-08-03 | DAIRYLAND POWER ELK MOUND GEN FACILITY | ELK MOUND, Chippewa, WI | PCE Off-Site | State |
| 2026-08-03 | PACKAGING CORPORATION OF AMERICA-TOMAHAW | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-08-03 | PACKAGING CORPORATION OF AMERICA-TOMAHAW | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-08-03 | LOUISIANA-PACIFIC CORPORATION - TOMAHAWK | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-08-03 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-08-03 | WI PUBLIC SERVICE WESTON POWER PLANT | KRONENWETTER, Marathon, WI | PCE Off-Site | State |
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Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.