A. Dedication Of Rights Of Way; Easements; Design Criteria: In the event that a proposed subdivision or any part there of is traversed by a major watercourse channel, stream or creek, gulch or other natural drainage channel, the subdivider shall dedicate adequate rights of way for storm drainage purposes. Easements for drainage to natural drainage channels shall be required. If a comprehensive drainage plan is not available for a particular area, the design criteria for storm water runoff will follow that established as standard practice and approved by the city. Storm drainage design shall consider sand, silt and oil separation devices prior to entry into any drain.
B. Flood Control Report: No subdivision plat shall be considered for a final approval until the subdivider submits a report by a registered engineer as to the ability of existing watercourse channels, drainage tiles, storm sewers, culverts and other works pertaining to drainage or flood control within the subdivision to handle the additional runoff which would be generated by the development of the land within the subdivision. (1973 Code § 16.24.080)