(A) Drainage system design. A drainage system design shall be required, and may include a storm sewer system or a system of open ditches, culverts, pipes, catch basins and ponding areas, or both systems. Such facilities and easements shall be installed as will adequately provide for the drainage of surface waters; drainage way easements or land dedication may be required when such easements or land is needed in the public interest for purposes of flood plain management, proper drainage, prevention of erosion, pedestrian access to water bodies or other public purposes. If there is a watershed district, that Board must approve all surface water drainage.
(B) Easements.
(1) Easements at least 20 feet wide, centered on rear and other lot lines as required, shall be provided for utilities where necessary. Where underground utilities are being installed, a ten-foot wide front or side yard easement may be required. These easements shall be dedicated on the plat.
(2) Easements shall be provided along each side of the centerline of any watercourse or drainage channel, whether or not shown on the comprehensive plan, to a width sufficient to allow for maintenance and to provide for storm water runoff and installation and maintenance of storm sewers.
(3) Utility and drainage easements shall be dedicated for the required use.
(Ord. passed - -) Penalty, see § 156.999