Drainage facility improvements shall include storm drain lines, catch basins, manholes or other improvements that may necessitate the drainage of stormwater from the subdivision. On-site ponding basins as a method of disposal of stormwater may be permitted upon approval of the city engineer or other designated city official. The maximum distance permitted for surface drainage shall be one thousand three hundred feet. (Ord. 617 §2 (Exh. A), 2011; Ord. 580 Exh. A, 2008; Ord. 474, 2002).