2016/12/07 Council Agenda Packet

ORDINANCE NO. AN ORDINANCE regarding storm water and storm drainage and amending Ordinance 316840 and 2182-96 as amended (Chapter 14.28 EMC). WHEREAS, an expanding population and increased development of land, coupled with inadequate drainage controls,has led to drainage and runoff problems; and WHEREAS, these drainage and runoff problems contribute to increased sedimentation in the ponds, creeks, and streams,thereby degrading water quality; and WHEREAS, these drainage and runoff problems also contribute to water quality degradation through excessive discharge of nutrients, metals, oil and grease, toxic materials, and other detrimental substances; and WHEREAS, inadequate surface and subsurface drainage planning and practices lead to erosion and property damage, and risk to life; and WHEREAS, excess water runoff on streets and highways poses a safety hazard to both lives and property; and WHEREAS, the City Council fmds that future problems could be avoided if developers, both private and public,provide for adequate drainage of their property; and WHEREAS, the City was issued a Phase II National Pollutant Discharge Elimination System (NPDES) Stormwater Permit (Permit) on January 16, 2015, and the requirements therein include adoption of prescribed minimum standards for control of stormwater flow and quality during development, redevelopment, and post-development; and WHEREAS, the Permit requires the City to make Low Impact Development (LID) the preferred and commonly-used approach to site development; 21