No person shall wash, sweep or brush any waste, trash or rubbish, grease, oil or similar petroleum products, chemicals or other toxic substances from sidewalks, driveways, courtyards, service yards or service station premises, or from any private premises, into the public streets, roadways, gutters or storm drainage system. Such materials shall be collected in suitable containers and disposed of as refuse. (Ord. 177 NS § 1, 1972; prior code § 19-6.)