BURN BAN - ALL SNOHOMISH COUNTY PARKS - Effective August 1st (12:01 AM). Campfires are banned in all Snohomish County Parks. Anything that creates smoke, ash, or cinder (e.g. wood, cardboard, paper, BBQ briquets) is not allowed. Propane (LP Gas) stoves are allowed. Propane fire pits may be used during times of recreational fire bans however, Park Rangers have the final say regarding when, where, or if they will be allowed.