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NWCAA will be closed on the Labor Day holiday

Sep. 1, 2023

Northwest Clean Air Agency operations will close on Monday, Sept. 4, to observe the Labor Day holiday.

Normal operations will resume on Tuesday, Sept. 5. NWCAA’s office at 1600 S. 2nd St., Mount Vernon, is open to the public from 8:30 a.m. to 4:30 p.m. Monday through Friday except on holidays.