(a) Utility Easements: Public utility easements at least 10 feet in total width may be required along the rear, front, and sides of lots where needed for the accommodation of a public utility, drainage, sanitary structures, or any combination of the foregoing, and at least 20 feet total width where sanitary sewer or waterlines will be placed. Where deemed necessary by the Planning Commission, an additional easement width shall be provided.
(b) Watercourses: The subdivider shall dedicate rights-of-way or provide easements for storm drainage purposes which conform substantially with the lines of any natural watercourses, channels, streams, or creeks which traverse the subdivision or for any new channel which is established to substitute for a natural watercourse, channel, stream, or creek. Such rights-of-way or easements shall be of a width which will provide for the maintenance needs of the channel and incidental structures as determined by the Planning Commission. Easements shall be provided for entire area of detention basins/retention ponds with a 20-foot access easement.