Planning Board agenda 010219 - Laserfiche WebLink

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Article 6: Development Standall�2 Section 6.14: Stormwater Management (9) New stormwater management ponds, with or without a riparian er established adjacent to the pond. Vegetation Management that includes the installation of ew vegetation and a one-time application of fertilizer to re-establish the v etation. (11) etation Management/ Replanting in an effo o protect existing structures. 6.13.7 Diffuse Flow Requireme (A) Diffuse flow of runoffs I be maintained in a stream buffer by dispersing concentrated flow and re-establishing ve tation. (B) Concentrated runoff from new di or constructed conveyances shall be converted to diffuse flow before the runoff en s e stream buffer. (C) Periodic corrective action t estore diffus low shall be taken if necessary to impede the formation of erosion gul ' s. 6.13.8 Land Disturbance and P nting of Vegetation (A) gngforested stream buffer which is subject to serious ero ' n may be disturbed for the lanting and maintaining erosion-resistant vegetate cover. A sted areas or any other healthy vegetation may not be oved from ar, except where replaced with vegetation resulting in comp able stormwater y and quantity one year after planting. ion shall be planted to capture non-source pollutants before they re h the perennial stream, as per applicable Orange County Standards. SECTION . STORMWATER MANAGEMENT 6.14. Introduction As atershed becomes more developed, the amount of impervious surface increa causing a decrea in the rate at which stormwater runoff which can be absorbed into th oil. This results in mo tormwater flowing directly into streams and other water bo Because this direct runoff has been filtered through the soil, pollutants from the ' nd land surface enter streams and increase potential for pollution of drinking water s lies. 6.14.2 Purpose The purpose of the Board of County C ission in adopting stormwater regulations is to protect the water quality of the streams tha ithin Orange County by reducing and controlling stormwater runoff and addressing nutrie educ ' ns for both new and existing development. 6.14.3 Jurisdiction-Wide and Inter- al Approaches (A) Orange Count all have the option of implementing ju iction-wide and/or inter-local approache o control stormwater runoff and achieve nutrien ductions. (B) An isdiction-wide and/or inter-local approaches must be approve y the Orange ounty Board of Commissioners, and the Environmental Management mission before implementation. 6.14.4 General Methods The following general approaches shall be utilized to minimize the effects of stormwater pollution on drinking water supplies in Orange County: (A) Non-Structural Stermwater CentrelStormwater Control Measures (SCMs) Orange County, North Carolina—Unified Development Ordinance Page 6-95