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 |
|---|---|---|---|---|
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-23 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-16 | CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file | MANITOWOC, Manitowoc, WI | Earliest FRV determination | State |
| 2025-12-16 | SILGAN CONTAINERS MFG CORP - PLOVER — high-priority violation on file | PLOVER, Price, WI | Earliest FRV determination | State |
| 2025-12-16 | SILGAN CONTAINERS MFG CORP - PLOVER — high-priority violation on file | PLOVER, Price, WI | Earliest FRV determination | State |
| 2025-12-16 | SILGAN CONTAINERS MFG CORP - PLOVER — high-priority violation on file | PLOVER, Price, WI | Earliest FRV determination | State |
| 2025-12-15 | AHLSTROM STEVENS POINT LLC — high-priority violation on file | STEVENS POINT, Price, WI | Earliest FRV determination | State |
| 2025-12-15 | AHLSTROM STEVENS POINT LLC — high-priority violation on file | STEVENS POINT, Price, WI | Earliest FRV determination | State |
| 2025-12-15 | BRP US INC — high-priority violation on file | STURTEVANT, Richland, WI | Earliest FRV determination | State |
| 2025-12-15 | BRP US INC — high-priority violation on file | STURTEVANT, Richland, WI | Earliest FRV determination | State |
| 2025-12-15 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | HPV day-zero determination | State |
| 2025-12-15 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | HPV day-zero determination | State |
| 2025-12-15 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | HPV day-zero determination | State |
| 2025-12-15 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | HPV day-zero determination | State |
| 2025-12-11 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | HPV day-zero determination | State |
| 2025-12-11 | ECC CORROSION INC — high-priority violation on file | WISCONSIN RAPIDS, Menominee, WI | Earliest FRV determination | State |
| 2025-12-11 | ECC CORROSION INC — high-priority violation on file | WISCONSIN RAPIDS, Menominee, WI | Earliest FRV determination | State |
| 2025-12-10 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | HPV day-zero determination | State |
| 2025-12-10 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | HPV day-zero determination | State |
| 2025-12-09 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | Earliest FRV determination | State |
| 2025-12-08 | FULL CYCLE ENTERPRISES LLC — high-priority violation on file | OAK CREEK, Undetermined, WI | Earliest FRV determination | State |
| 2025-12-08 | FULL CYCLE ENTERPRISES LLC — high-priority violation on file | OAK CREEK, Undetermined, WI | Earliest FRV determination | State |
| 2025-12-04 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-04 | UNITED ENERGY NECEDAH LLC — high-priority violation on file | NECEDAH, Juneau, WI | Earliest FRV determination | State |
| 2025-12-03 | AMERY TECHNICAL PRODUCTS INC (AMTEC) — high-priority violation on file | AMERY, Portage, WI | Earliest FRV determination | State |
| 2025-12-02 | MADISON GAS AND ELECTRIC COMPANY - WEST MARINETTE FACILITY — high-priority violation on file | PESHTIGO, Marinette, WI | Earliest FRV determination | State |
| 2025-11-26 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | Earliest FRV determination | State |
| 2025-11-19 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-19 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-19 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-19 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-19 | 3M CO WAUSAU PLT — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-19 | 3M CO WAUSAU PLT — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-19 | MCCAIN FOODS USA — high-priority violation on file | WISCONSIN RAPIDS, Price, WI | Earliest FRV determination | State |
| 2025-11-19 | MCCAIN FOODS USA — high-priority violation on file | WISCONSIN RAPIDS, Price, WI | Earliest FRV determination | State |
| 2025-11-13 | AHLSTROM NA SPECIALTY SOLUTIONS LLC — high-priority violation on file | KAUKAUNA, Ozaukee, WI | Earliest FRV determination | State |
| 2025-11-11 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Earliest FRV determination | State |
| 2025-11-11 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Earliest FRV determination | State |
| 2025-11-11 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Earliest FRV determination | State |
| 2025-11-11 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Earliest FRV determination | State |
| 2025-11-11 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Earliest FRV determination | State |
| 2025-11-11 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Earliest FRV determination | State |
| 2025-11-11 | BADGER STATE ETHANOL, INC. — high-priority violation on file | MONROE, Green, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-11 | 3M CO - GREYSTONE — high-priority violation on file | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-11-06 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-11-06 | AMERY TECHNICAL PRODUCTS INC (AMTEC) — high-priority violation on file | AMERY, Portage, WI | Earliest FRV determination | State |
| 2025-11-04 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | Earliest FRV determination | State |
| 2025-11-04 | GREAT LAKES VENEER INC — high-priority violation on file | MARION, Waushara, WI | Earliest FRV determination | State |
| 2025-10-24 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-10-24 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-10-23 | C-P FLEXIBLE PACKAGING — high-priority violation on file | FOND DU LAC, Fond du Lac, WI | Earliest FRV determination | State |
| 2025-10-23 | C-P FLEXIBLE PACKAGING — high-priority violation on file | FOND DU LAC, Fond du Lac, WI | Earliest FRV determination | State |
| 2025-10-23 | C-P FLEXIBLE PACKAGING — high-priority violation on file | FOND DU LAC, Fond du Lac, WI | Earliest FRV determination | State |
| 2025-10-23 | C-P FLEXIBLE PACKAGING — high-priority violation on file | FOND DU LAC, Fond du Lac, WI | Earliest FRV determination | State |
| 2025-10-23 | C-P FLEXIBLE PACKAGING — high-priority violation on file | FOND DU LAC, Fond du Lac, WI | Earliest FRV determination | State |
| 2025-10-23 | ECC CORROSION INC — high-priority violation on file | WISCONSIN RAPIDS, Menominee, WI | Earliest FRV determination | State |
| 2025-10-20 | BARRON COUNTY WASTE TO ENERGY AND RECYCLING FACILITY — high-priority violation on file | ALMENA, Barron, WI | HPV day-zero determination | State |
| 2025-10-20 | BARRON COUNTY WASTE TO ENERGY AND RECYCLING FACILITY — high-priority violation on file | ALMENA, Barron, WI | HPV day-zero determination | State |
| 2025-10-20 | MARTH WOOD SHAVINGS SUPPLY INC — high-priority violation on file | MARATHON, Marathon, WI | Earliest FRV determination | State |
| 2025-10-20 | MARTH WOOD SHAVINGS SUPPLY INC — high-priority violation on file | MARATHON, Marathon, WI | Earliest FRV determination | State |
| 2025-10-09 | FULL CYCLE ENTERPRISES LLC — high-priority violation on file | OAK CREEK, Undetermined, WI | Earliest FRV determination | State |
| 2025-09-18 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | HPV day-zero determination | State |
| 2025-09-18 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | HPV day-zero determination | State |
| 2025-09-17 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | HPV day-zero determination | State |
| 2025-09-17 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | HPV day-zero determination | State |
| 2025-09-17 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | Earliest FRV determination | State |
| 2025-09-17 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | Earliest FRV determination | State |
| 2025-09-17 | BRIESS INDUSTRIES INC — high-priority violation on file | MANITOWOC, Manitowoc, WI | HPV day-zero determination | State |
| 2025-09-16 | BC ORGANICS LLC | GREENLEAF, Brown, WI | Earliest FRV determination | State |
| 2025-09-05 | ASSOCIATED MILK PRODUCERS INC (AMPI) - JIM FALLS | JIM FALLS, Chippewa, WI | HPV day-zero determination | State |
| 2025-09-04 | FML | BELOIT, Rusk, WI | Earliest FRV determination | State |
| 2025-09-04 | FML | BELOIT, Rusk, WI | Earliest FRV determination | State |
| 2025-09-04 | FML | BELOIT, Rusk, WI | Earliest FRV determination | State |
| 2025-09-04 | FML | BELOIT, Rusk, WI | Earliest FRV determination | State |
| 2025-09-04 | FML | BELOIT, Rusk, WI | Earliest FRV determination | State |
| 2025-09-04 | FML | BELOIT, Rusk, WI | Earliest FRV determination | State |
| 2025-08-29 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-08-29 | SUPERIOR REFINING COMPANY LLC — high-priority violation on file | SUPERIOR, Douglas, WI | Earliest FRV determination | State |
| 2025-08-29 | KERRY INC — high-priority violation on file | RHINELANDER, Outagamie, WI | Earliest FRV determination | State |
| 2025-08-25 | KOLBE & KOLBE MILLWORK CO INC | WAUSAU, Marathon, WI | Earliest FRV determination | State |
| 2025-08-25 | KOLBE & KOLBE MILLWORK CO INC | WAUSAU, Marathon, WI | Earliest FRV determination | State |
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Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.