The subdivider shall, subject to riparian rights, dedicate a right-of-way for storm drainage purposes conforming substantially with the lines of any natural watercourse or channel, stream or creek that traverses the subdivision, or at the option of the subdivider, dedicate further and sufficient easements or construction, or both, to dispose of such surface and storm waters.
(`83 Code, § 16.24.070) (Ord. 82-19 § 1 (part), 1982)