EPA Air · violations by state and year

High-priority air violations in Washington, 2026

22Violations

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 Washington 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 Washington, 2026

Washington, other years

High-priority air violations recorded in Washington, 2026

Date	Facility	Where	Kind	Agency
2026-08-03	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-08-03	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-07-08	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-07-08	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-07-08	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-07-01	MCKINLEY PAPER COMPANY — high-priority violation on file	PORT ANGELES, Clallam, WA	Earliest FRV determination	Local
2026-06-15	NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file	LONGVIEW, Cowlitz, WA	Earliest FRV determination	State
2026-05-22	NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file	LONGVIEW, Cowlitz, WA	Earliest FRV determination	State
2026-05-18	NIPPON DYNAWAVE PACKAGING COMPANY LLC — high-priority violation on file	LONGVIEW, Cowlitz, WA	Earliest FRV determination	State
2026-05-06	NORTH PACIFIC PAPER CORP. — high-priority violation on file	LONGVIEW, Cowlitz, WA	Earliest FRV determination	Local
2026-05-05	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-04-21	PANELTECH — high-priority violation on file	HOQUIAM, Grays Harbor, WA	Earliest FRV determination	Local
2026-04-16	CITY OF VANCOUVER / WESTSIDE WASTEWATER TREATMENT PLANT — high-priority violation on file	VANCOUVER, Clark, WA	Earliest FRV determination	Local
2026-03-18	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-03-04	HARDEL MUTUAL PLYWOOD CORPORATION — high-priority violation on file	CHEHALIS, Lewis, WA	Earliest FRV determination	Local
2026-03-03	WESTROCK LONGVIEW LLC — high-priority violation on file	LONGVIEW, Cowlitz, WA	Earliest FRV determination	State
2026-02-23	US ENERGY DEPT - HANFORD — high-priority violation on file	RICHLAND, Benton, WA	Earliest FRV determination	State
2026-02-18	LANXESS CORPORATION — high-priority violation on file	KALAMA, Cowlitz, WA	Earliest FRV determination	Local
2026-02-05	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-01-22	PACKAGING CORPORATION OF AMERICA — high-priority violation on file	WALLULA, Walla Walla, WA	HPV day-zero determination	State
2026-01-21	PORT TOWNSEND PAPER CORPORATION — high-priority violation on file	PORT TOWNSEND, Jefferson, WA	Earliest FRV determination	State
2026-01-16	WESTROCK LONGVIEW LLC — high-priority violation on file	LONGVIEW, Cowlitz, WA	Earliest FRV determination	State

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