(A) Storm drainage systems shall be the entire and sole responsibility of the property owner except those natural streams, channels, ditches, branches and drainage outfall lines that carry public runoff for which the city has accepted the responsibility for continuous maintenance. All new subdivisions shall have drainage systems installed by the developer in accordance with Title 9, Chapter 5 of this Code.
(B) Any drainage ditch in a new development that conveys public runoff and will require a 48-inch diameter or smaller pipe must either be piped or designed and constructed to the standards as established in 15A NCAC 2H .1003(2)(c) for vegetated conveyances as part of a low-density development or 15A NCAC 2H .1061 for treatment swales. The required pipe size shall be as determined by the engineer for the developer and approved by the Stormwater Administrator.
(C) Vegetated conveyances subject to 15A NCAC 2H .1003(2) shall be the entire and sole responsibility of the property owner and shall have a maintenance plan and agreement on file in the office of the Stormwater Administrator per section 9-9-20.
(Ord. No. 24-021, § 1, passed 4-11-2024)