EPA Air · violations by state and year

High-priority air violations in Wisconsin, 2026

222Violations

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 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

Wisconsin, other years

High-priority air violations recorded in Wisconsin, 2026

Date	Facility	Where	Kind	Agency
2026-01-26	SHEBOYGAN PAINT CO. — high-priority violation on file	SHEBOYGAN, Sheboygan, WI	Earliest FRV determination	State
2026-01-26	SHEBOYGAN PAINT CO. — high-priority violation on file	SHEBOYGAN, Sheboygan, WI	Earliest FRV determination	State
2026-01-26	SHEBOYGAN PAINT CO. — high-priority violation on file	SHEBOYGAN, Sheboygan, WI	Earliest FRV determination	State
2026-01-26	SHEBOYGAN PAINT CO. — high-priority violation on file	SHEBOYGAN, Sheboygan, WI	Earliest FRV determination	State
2026-01-26	SHEBOYGAN PAINT CO. — high-priority violation on file	SHEBOYGAN, Sheboygan, WI	Earliest FRV determination	State
2026-01-22	CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file	MANITOWOC, Manitowoc, WI	Earliest FRV determination	State
2026-01-20	CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file	MANITOWOC, Manitowoc, WI	HPV day-zero determination	State
2026-01-20	CARMEUSE LIME AND STONE - ROCKWELL OPERATION — high-priority violation on file	MANITOWOC, Manitowoc, WI	HPV day-zero determination	State
2026-01-15	GREDE LLC - LIBERTY — high-priority violation on file	WAUWATOSA, Monroe, WI	Earliest FRV determination	State
2026-01-15	GREDE LLC - LIBERTY — high-priority violation on file	WAUWATOSA, Monroe, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-14	HOLSUM DAIRY - ELM — high-priority violation on file	HILBERT, Calumet, WI	Earliest FRV determination	State
2026-01-13	ASHLEY FURNITURE INDUSTRIES LLC — high-priority violation on file	ARCADIA, Vernon, WI	Earliest FRV determination	State
2026-01-13	ASHLEY FURNITURE INDUSTRIES LLC — high-priority violation on file	ARCADIA, Vernon, WI	Earliest FRV determination	State

Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.