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.
What this page shows
This page covers Clean Air Act facilities in the EPA air register with violations in WI in 2025. It lists 358 violations recorded in 2025.