No person shall possess, discharge, set off, or cause to be discharged in or into any Bothell park any firecracker, torpedo, rocket, firework, explosive, or substance harmful to the life or safety of persons or property, unless so authorized by the department. (Ord. 2174 § 1, 2015; Ord. 2094 § 1 (Exh. A), 2012; Ord. 1835 § 1, 2000; Ord. 1277 § 1, 1987).