EPA Air · violations by state and year
High-priority air violations in Wisconsin, 2025
- 358Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Every violation below was recorded against a source in Wisconsin during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Wisconsin, 2025
- Marathon County 41
- Ozaukee County 40
- Douglas County 24
- La Crosse County 22
- Monroe County 19
- Richland County 18
- Menominee County 16
- Juneau County 16
- Manitowoc County 13
- Sheboygan County 12
- Waushara County 11
- Fond du Lac County 11
- Taylor County 10
- Green County 9
- Waukesha County 9
- Chippewa County 8
- Barron County 8
- Kewaunee County 7
- Price County 7
- Rusk County 6
- Brown County 6
- Eau Claire County 4
- Washburn County 4
- Dunn County 4
- Dane County 3
- Undetermined County 3
- Waupaca County 3
- Kenosha County 3
- Lincoln County 3
Wisconsin, other years
High-priority air violations recorded in Wisconsin, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | HPV day-zero determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | HPV day-zero determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | Earliest FRV determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | HPV day-zero determination | State |
| 2025-06-02 | MCKINLEY PAPER AND PACKAGING COMPANY — high-priority violation on file | COMBINED LOCKS, Ozaukee, WI | HPV day-zero determination | State |
| 2025-05-30 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-28 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-28 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-28 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-28 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-28 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-28 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-28 | WMWI - METRO RECYCLING & DISPOSAL | FRANKLIN, Monroe, WI | Earliest FRV determination | State |
| 2025-05-27 | DANE COUNTY LANDFILL SITE #2 RODEFELD | MADISON, Dane, WI | Earliest FRV determination | State |
| 2025-05-27 | DANE COUNTY LANDFILL SITE #2 RODEFELD | MADISON, Dane, WI | Earliest FRV determination | State |
| 2025-05-27 | DANE COUNTY LANDFILL SITE #2 RODEFELD | MADISON, Dane, WI | Earliest FRV determination | State |
| 2025-05-26 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-05-21 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-05-19 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-05-19 | NEMAK GATEWAY PLANT | SHEBOYGAN, Sheboygan, WI | HPV day-zero determination | State |
| 2025-05-19 | NEMAK GATEWAY PLANT | SHEBOYGAN, Sheboygan, WI | HPV day-zero determination | State |
| 2025-05-19 | NEMAK GATEWAY PLANT | SHEBOYGAN, Sheboygan, WI | HPV day-zero determination | State |
| 2025-05-16 | WASTE MANAGEMENT OF WISCONSIN, INC. - PHEASANT RUN RECYCLING AND DISPOSAL FACILI | BRISTOL, Kenosha, WI | Earliest FRV determination | State |
| 2025-05-16 | WASTE MANAGEMENT OF WISCONSIN, INC. - PHEASANT RUN RECYCLING AND DISPOSAL FACILI | BRISTOL, Kenosha, WI | Earliest FRV determination | State |
| 2025-05-16 | VIRESCO TURTLE LAKE — high-priority violation on file | TURTLE LAKE, Barron, WI | Earliest FRV determination | State |
| 2025-05-16 | VIRESCO TURTLE LAKE — high-priority violation on file | TURTLE LAKE, Barron, WI | Earliest FRV determination | State |
| 2025-05-15 | NEMAK GATEWAY PLANT | SHEBOYGAN, Sheboygan, WI | Earliest FRV determination | State |
| 2025-05-15 | NEMAK GATEWAY PLANT | SHEBOYGAN, Sheboygan, WI | Earliest FRV determination | State |
| 2025-05-15 | NEMAK GATEWAY PLANT | SHEBOYGAN, Sheboygan, WI | Earliest FRV determination | State |
| 2025-05-15 | NEMAK GATEWAY PLANT | SHEBOYGAN, Sheboygan, WI | Earliest FRV determination | State |
| 2025-05-13 | DAYBREAK FOODS COLDSPRING LOCATION | PALMYRA, Jefferson, WI | Earliest FRV determination | State |
| 2025-05-11 | UNITED WISCONSIN GRAIN PRODUCERS, LLC — high-priority violation on file | FRIESLAND, Columbia, WI | Earliest FRV determination | State |
| 2025-05-07 | PROAMPAC | HARTFORD, Dodge, WI | Earliest FRV determination | State |
| 2025-05-05 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-05-05 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-04-30 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-04-30 | CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file | MANITOWOC, Manitowoc, WI | Earliest FRV determination | State |
| 2025-04-29 | APPVION, LLC | APPLETON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-29 | APPVION, LLC | APPLETON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-24 | CITY BREWING CO INC — high-priority violation on file | LA CROSSE, La Crosse, WI | HPV day-zero determination | State |
| 2025-04-24 | CITY BREWING CO INC — high-priority violation on file | LA CROSSE, La Crosse, WI | HPV day-zero determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-17 | ALDRICH CHEMICAL COMPANY LLC (DBA MILLIPORESIGMA) | SHEBOYGAN FALLS, Taylor, WI | Earliest FRV determination | State |
| 2025-04-16 | BLUE DIAMOND PROPPANTS - CLINTON PLANT — high-priority violation on file | BARRON, Barron, WI | Earliest FRV determination | State |
| 2025-04-16 | BLUE DIAMOND PROPPANTS - CLINTON PLANT — high-priority violation on file | BARRON, Barron, WI | Earliest FRV determination | State |
| 2025-04-16 | BUFFALO WHITE SANDS LLC | MONDOVI, Buffalo, WI | Earliest FRV determination | State |
| 2025-04-16 | COVIA ENERGY LLC — high-priority violation on file | TOMAH, Oconto, WI | Earliest FRV determination | State |
| 2025-04-16 | BPM CONVERTING INC | OCONTO FALLS, Oconto, WI | Earliest FRV determination | State |
| 2025-04-16 | PLYMOUTH TUBE COMPANY | EAST TROY, Washburn, WI | Earliest FRV determination | State |
| 2025-04-16 | PLYMOUTH TUBE COMPANY | EAST TROY, Washburn, WI | Earliest FRV determination | State |
| 2025-04-16 | ADVANCED COATINGS INC | WEST BEND, Waukesha, WI | Earliest FRV determination | State |
| 2025-04-16 | ADVANCED COATINGS INC | WEST BEND, Waukesha, WI | Earliest FRV determination | State |
| 2025-04-16 | ADVANCED COATINGS INC | WEST BEND, Waukesha, WI | Earliest FRV determination | State |
| 2025-04-16 | ADVANCED COATINGS INC | WEST BEND, Waukesha, WI | Earliest FRV determination | State |
| 2025-04-16 | ADVANCED COATINGS INC | WEST BEND, Waukesha, WI | Earliest FRV determination | State |
| 2025-04-16 | HARTFORD FINISHING INC | HARTFORD, Waukesha, WI | Earliest FRV determination | State |
| 2025-04-16 | REXNORD INDUSTRIES LLC | NEW BERLIN, Waupaca, WI | Earliest FRV determination | State |
| 2025-04-16 | REXNORD INDUSTRIES LLC | NEW BERLIN, Waupaca, WI | Earliest FRV determination | State |
| 2025-04-15 | GUNDERSEN HEALTH SYSTEM | LA CROSSE, La Crosse, WI | HPV day-zero determination | State |
| 2025-04-15 | GUNDERSEN HEALTH SYSTEM | LA CROSSE, La Crosse, WI | HPV day-zero determination | State |
| 2025-04-15 | GUNDERSEN HEALTH SYSTEM | LA CROSSE, La Crosse, WI | HPV day-zero determination | State |
| 2025-04-15 | GUNDERSEN HEALTH SYSTEM | LA CROSSE, La Crosse, WI | HPV day-zero determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-15 | HILLSHIRE | NEW LONDON, Ozaukee, WI | Earliest FRV determination | State |
| 2025-04-14 | PLYMOUTH TUBE COMPANY | EAST TROY, Washburn, WI | Earliest FRV determination | State |
| 2025-04-10 | BRADY WORLDWIDE - FLORIST AVE PLT | GLENDALE, Monroe, WI | Earliest FRV determination | State |
| 2025-04-03 | GUNDERSEN HEALTH SYSTEM | LA CROSSE, La Crosse, WI | Earliest FRV determination | State |
| 2025-04-01 | CITY BREWING CO INC — high-priority violation on file | LA CROSSE, La Crosse, WI | Earliest FRV determination | State |
| 2025-04-01 | CITY BREWING CO INC — high-priority violation on file | LA CROSSE, La Crosse, WI | Earliest FRV determination | State |
| 2025-04-01 | MID-AMERICA STEEL DRUM COMPANY-CLCM — high-priority violation on file | SAINT FRANCIS, Monroe, WI | HPV day-zero determination | State |
Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.