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 |
|---|---|---|---|---|
| 2026-05-31 | CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file | MANITOWOC, Manitowoc, WI | PCE Off-Site | State |
| 2026-05-29 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | PCE Off-Site | State |
| 2026-05-28 | WAUPACA FOUNDRY INC - PLANT 2 & 3 | WAUPACA, Waushara, WI | FCE On-Site | State |
| 2026-05-20 | WISCONSIN RAPIDS MILL | WISCONSIN RAPIDS, Menominee, WI | FCE Off-Site | State |
| 2026-05-20 | WISCONSIN RAPIDS MILL | WISCONSIN RAPIDS, Menominee, WI | FCE Off-Site | State |
| 2026-05-19 | CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file | MANITOWOC, Manitowoc, WI | PCE Off-Site | State |
| 2026-05-18 | WI PUBLIC SERVICE CORP - JP PULLIAM PLANT | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-05-18 | PACKAGING CORPORATION OF AMERICA-TOMAHAW | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-05-18 | CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file | MANITOWOC, Manitowoc, WI | PCE Off-Site | State |
| 2026-05-18 | AHLSTROM MOSINEE, LLC — high-priority violation on file | MOSINEE, Marathon, WI | PCE Off-Site | State |
| 2026-05-18 | WAUPACA FOUNDRY INC - PLANT 1 | WAUPACA, Waushara, WI | PCE Off-Site | State |
| 2026-05-14 | ROSENDALE RENEWABLE ENERGY, LLC | ROSENDALE, Fond du Lac, WI | FCE On-Site | State |
| 2026-05-13 | DOMTAR AW LLC — high-priority violation on file | NEKOOSA, Menominee, WI | PCE Off-Site | State |
| 2026-05-12 | EAGLE FLEXIBLE PACKAGING INC | WAUPUN, Fond du Lac, WI | FCE On-Site | State |
| 2026-05-12 | CALUMET RENEWABLE ENERGY, LLC - PAGELS PONDEROSA FACILITY | KEWAUNEE, Kewaunee, WI | FCE On-Site | State |
| 2026-05-12 | CALUMET RENEWABLE ENERGY - DAIRY DREAMS FACILITY — high-priority violation on file | CASCO, Kewaunee, WI | FCE On-Site | State |
| 2026-05-06 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | KAUKAUNA, Ozaukee, WI | FCE On-Site | State |
| 2026-05-05 | SMART SAND INC — high-priority violation on file | OAKDALE, Oconto, WI | FCE On-Site | State |
| 2026-05-05 | ADVANCED COATING, INC. — high-priority violation on file | OSHKOSH, Wood, WI | FCE On-Site | State |
| 2026-05-04 | BLUE DIAMOND PROPPANTS - CLINTON PLANT — high-priority violation on file | BARRON, Barron, WI | PCE Off-Site | State |
| 2026-05-04 | GREAT LAKES GAS TRANSMISSION-COMP STATION #6 | IRON RIVER, Bayfield, WI | FCE On-Site | State |
| 2026-05-04 | SANIMAX USA LLC — high-priority violation on file | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-05-04 | NICOLET HARDWOODS CORP — high-priority violation on file | LAONA, Forest, WI | PCE Off-Site | State |
| 2026-05-04 | NICOLET HARDWOODS CORP — high-priority violation on file | LAONA, Forest, WI | PCE Off-Site | State |
| 2026-05-04 | KERRY ROTHSCHILD — high-priority violation on file | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-05-04 | FULL CYCLE ENTERPRISES LLC — high-priority violation on file | OAK CREEK, Undetermined, WI | PCE Off-Site | State |
| 2026-05-04 | ADVANCED PLATING TECHNOLOGIES | MILWAUKEE, Milwaukee, WI | PCE On-Site | U.S. EPA |
| 2026-05-04 | COVIA ENERGY LLC — high-priority violation on file | TOMAH, Oconto, WI | PCE Off-Site | State |
| 2026-05-04 | INX INTERNATIONAL INK CO — high-priority violation on file | APPLETON, Ozaukee, WI | PCE Off-Site | State |
| 2026-05-04 | WPL - SHEBOYGAN FALLS ENERGY FACILITY | PLYMOUTH, Taylor, WI | PCE Off-Site | State |
| 2026-05-04 | T J HALE COMPANY LLC — high-priority violation on file | MENOMONEE FALLS, Waupaca, WI | PCE Off-Site | State |
| 2026-05-04 | T J HALE COMPANY LLC — high-priority violation on file | MENOMONEE FALLS, Waupaca, WI | PCE Off-Site | State |
| 2026-05-04 | T J HALE COMPANY LLC — high-priority violation on file | MENOMONEE FALLS, Waupaca, WI | PCE Off-Site | State |
| 2026-05-04 | WHITEHAVEN SILICA, LLC — high-priority violation on file | READFIELD, Waushara, WI | PCE Off-Site | State |
| 2026-05-04 | H & S MANUFACTURING COMPANY INC — high-priority violation on file | CLINTONVILLE, Waushara, WI | PCE Off-Site | State |
| 2026-05-04 | H & S MANUFACTURING COMPANY INC — high-priority violation on file | CLINTONVILLE, Waushara, WI | PCE Off-Site | State |
| 2026-05-04 | SENSORYEFFECTS POWDER SYSTEMS (FORMERLY — high-priority violation on file | CITY OF MARSHFIELD, Marathon, WI | PCE Off-Site | State |
| 2026-05-04 | ND WQC LLC — high-priority violation on file | WISCONSIN RAPIDS, Menominee, WI | PCE Off-Site | State |
| 2026-05-04 | WEINBRENNER SHOE CO — high-priority violation on file | MARSHFIELD, Menominee, WI | PCE Off-Site | State |
| 2026-05-01 | COATING PLACE LLC — high-priority violation on file | VERONA, Dane, WI | FCE On-Site | State |
| 2026-05-01 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-05-01 | 3M CO WAUSAU PLT — high-priority violation on file | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-05-01 | MID-AMERICA STEEL DRUM COMPANY-CLCM — high-priority violation on file | SAINT FRANCIS, Monroe, WI | PCE Off-Site | State |
| 2026-05-01 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | PCE Off-Site | State |
| 2026-05-01 | WE ENERGIES - WHITEWATER GENERATING STATION | WHITEWATER, Jefferson, WI | PCE Off-Site | State |
| 2026-04-30 | XCEL ENERGY BAY FRONT GENERATING STATION | ASHLAND, Ashland, WI | PCE Off-Site | State |
| 2026-04-30 | GRAYMONT WESTERN LIME - EDEN | EDEN, Fond du Lac, WI | PCE Off-Site | State |
| 2026-04-30 | LOUISIANA-PACIFIC CORPORATION - TOMAHAWK | TOMAHAWK, Lincoln, WI | PCE Off-Site | State |
| 2026-04-30 | WISCONSIN PUBLIC SERVICE CORP-WEST MARIN | PESHTIGO, Marinette, WI | PCE Off-Site | State |
| 2026-04-30 | MOLSON COORS USA LLC | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-04-30 | WPPI ENERGY - KAUKAUNA TURBINES | KAUKAUNA, Ozaukee, WI | PCE Off-Site | State |
| 2026-04-30 | WISCONSIN PUBLIC SERVICE CORPORATION - F | KAUKAUNA, Outagamie, WI | PCE Off-Site | State |
| 2026-04-30 | WPL - EDGEWATER GENERATING STATION | SHEBOYGAN, Taylor, WI | PCE Off-Site | State |
| 2026-04-29 | WI PUBLIC SERVICE CORP - JP PULLIAM PLANT | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-04-29 | PROCTER & GAMBLE PAPER PRODUCTS CO | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-04-29 | UW MADISON CHARTER STREET HEATING PLANT (DOA) | MADISON, Dane, WI | PCE Off-Site | State |
| 2026-04-29 | ROCKGEN ENERGY CENTER — high-priority violation on file | CAMBRIDGE, Dane, WI | PCE Off-Site | State |
| 2026-04-29 | GRAYMONT (WI) LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-04-29 | LOUISIANA-PACIFIC CORPORATION - TOMAHAWK | TOMAHAWK, Lincoln, WI | FCE On-Site | State |
| 2026-04-29 | DOMTAR PAPER CO LLC | ROTHSCHILD, Marathon, WI | PCE Off-Site | State |
| 2026-04-29 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | KAUKAUNA, Ozaukee, WI | PCE Off-Site | State |
| 2026-04-29 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | PCE Off-Site | State |
| 2026-04-28 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-04-28 | PPG INDUSTRIES — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-04-27 | CARDINAL FG COMPANY | MENOMONIE, Dunn, WI | PCE Off-Site | State |
| 2026-04-27 | MILWAUKEE REGIONAL MEDICAL CENTER THERMAL SERVICES INC | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-04-27 | WE ENERGIES-OAK CREEK POWER PLANT — high-priority violation on file | OAK CREEK, Monroe, WI | PCE Off-Site | State |
| 2026-04-27 | WE ENERGIES - VALLEY POWER PLANT | MILWAUKEE, Monroe, WI | PCE Off-Site | State |
| 2026-04-27 | WE ENERGIES PORT WASHINGTON GENERATING STATION | PORT WASHINGTON, Pepin, WI | PCE Off-Site | State |
| 2026-04-27 | SHEBOYGAN PAINT CO. — high-priority violation on file | SHEBOYGAN, Sheboygan, WI | PCE Off-Site | State |
| 2026-04-23 | UW MADISON CHARTER STREET HEATING PLANT (DOA) | MADISON, Dane, WI | FCE On-Site | State |
| 2026-04-23 | AHLSTROM RHINELANDER LLC | RHINELANDER, Outagamie, WI | PCE Off-Site | State |
| 2026-04-23 | VIRESCO TURTLE LAKE — high-priority violation on file | TURTLE LAKE, Barron, WI | FCE On-Site | State |
| 2026-04-22 | GEORGIA PACIFIC BROADWAY LLC | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-04-22 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | FRIESLAND, Columbia, WI | FCE On-Site | State |
| 2026-04-21 | PRESTIGE CUSTOM CABINETRY INC. | GREEN BAY, Brown, WI | FCE On-Site | U.S. EPA |
| 2026-04-21 | CINTAS (G & K SERVICES - GREEN BAY) | GREEN BAY, Brown, WI | FCE On-Site | U.S. EPA |
| 2026-04-21 | GRAYMONT WESTERN LIME INC — high-priority violation on file | GREEN BAY, Brown, WI | PCE Off-Site | State |
| 2026-04-21 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-04-21 | AMCOR WISCONSIN, LLC - NEW LONDON | NEW LONDON, Ozaukee, WI | FCE On-Site | State |
| 2026-04-21 | AMCOR RE&D | NEW LONDON, Ozaukee, WI | FCE On-Site | State |
| 2026-04-21 | AMCOR HEALTHCARE PACKAGING INC - NEW LONDON | NEW LONDON, Ozaukee, WI | FCE On-Site | State |
| 2026-04-21 | AMCOR FLEXIBLES NORTH AMERICA, INC. | NEW LONDON, Ozaukee, WI | FCE On-Site | State |
| 2026-04-21 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | PCE Off-Site | State |
| 2026-04-20 | CASTALLOY, INC. | WAUKESHA, Waukesha, WI | FCE On-Site | State |
| 2026-04-17 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-04-15 | XCEL ENERGY - FRENCH ISLAND GENERATING PLANT | LA CROSSE, La Crosse, WI | PCE Off-Site | State |
| 2026-04-15 | PPG INDUSTRIES — high-priority violation on file | OAK CREEK, Monroe, WI | FCE On-Site | State |
| 2026-04-15 | ANR PIPELINE CO.-MOUNTAIN COMPRESSOR STA | SURING, Oconto, WI | FCE On-Site | State |
| 2026-04-13 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | PCE Off-Site | State |
| 2026-04-13 | CNH INDUSTRIAL RACINE PLANT — high-priority violation on file | MOUNT PLEASANT, Richland, WI | FCE On-Site | State |
| 2026-04-07 | WPL - RIVERSIDE ENERGY CENTER | BELOIT, Rusk, WI | FCE On-Site | State |
| 2026-04-07 | UNITED ETHANOL LLC | MILTON, Rusk, WI | PCE Off-Site | State |
| 2026-04-06 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-04-02 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | PCE Off-Site | State |
| 2026-04-01 | WRR ENVIRONMENTAL SERVICES CO INC — high-priority violation on file | EAU CLAIRE, Eau Claire, WI | PCE Off-Site | State |
| 2026-04-01 | KEL-GLO SPECIALTY COATINGS CORP. | WEST BEND, Waukesha, WI | FCE On-Site | State |
| 2026-03-31 | WISCONSIN ELECTRIC POWER COMPANY (DBA WE ENERGIES) - ROTHSCHILD BIOMASS COGENERA — high-priority violation on file | ROTHSCHILD, Marathon, WI | FCE On-Site | State |
| 2026-03-31 | MILWAUKEE REGIONAL MEDICAL CENTER THERMAL SERVICES INC | MILWAUKEE, Monroe, WI | FCE On-Site | State |
| 2026-03-31 | MEDICAL COLLEGE OF WISCONSIN | MILWAUKEE, Monroe, WI | FCE On-Site | State |
Dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.