Every person owning or occupying a parcel through which a watercourse passes shall keep and maintain that portion of the watercourse within such parcel free of trash, debris, excessive vegetation, and other obstacles that would pollute, contaminate, or significantly retard the flow of water through the watercourse. In addition, such person shall maintain existing privately owned structures within or adjacent to the watercourse so that such structures will not become a hazard to the use, function, or physical integrity of the watercourse. (Ord. 29-20, 2020: Ord. 53-07 § 18, 2007)