(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.