McKinney |
Code of Ordinances |
SubPart B. DEVELOPMENT REGULATIONS |
Chapter 130. LAND DEVELOPMENT REGULATIONS |
Article IV. STORMWATER MANAGEMENT |
Division 3. DRAINAGE REQUIREMENTS |
§ 130-300. Impact of runoff on downstream facilities.
Stormwater runoff, based on fully developed watershed conditions, is allowed from all new developments provided that throughout the downstream zone of influence:
(1)
The receiving drainage facilities and/or natural channels have the capacity to convey the fully developed 100-year storm event with appropriate freeboard,
(2)
The fully developed 100-year storm event is conveyed within public right-of-way or existing drainage and/or floodplain easements, and
(3)
The increased volume of runoff does not have an adverse impact on downstream properties.
(Ord. No. 2014-09-063, § 2, 9-2-2014; Ord. No. 2017-05-049, § 13, 5-2-2017)