(a) No person shall, without lawful authority, place or dispose of in any manner, upon any public property or upon the premises of another, any paper, trash, garbage, waste, rubbish, refuse, junk or any substance or material which is or may become noxious, offensive, injurious or dangerous to the public health, comfort or safety.
(b) No person shall cause or allow trash, garbage, waste, rubbish, refuse or any other noxious or offensive materials or substances to be collected or remain in any place to the damage or prejudice of others or of the public, or unlawfully obstruct, impede, divert, corrupt or render unwholesome or impure, any natural watercourse.