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NWCAA will be closed on Memorial Day

May. 22, 2023

May 25, 2023

Northwest Clean Air Agency operations will close on Monday, May 29, for the Memorial Day holiday.

Normal operations will resume on Tuesday, May 30. NWCAA’s office at 1600 S. 2nd Street, Mount Vernon, is open to the public from 8:30 a.m. to 4:30 p.m. Monday through Friday except on holidays.