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73 <br /> surface area per acre of property with the incorporation of stormwater control <br /> devices. <br /> At the writing of this memorandum the Project proposes the development of <br /> several stormwater devices, which would potentially allow up to 70% impervious <br /> surface area on the Property. <br /> b. Seven Mile Creek Preserve: The Project is approximately 1 mile north of the <br /> County's Seven Mile Creek Natural Area and the Seven Mile Creek Natural <br /> Heritage Area, as defined/ inventoried in the North Carolina Natural Heritage <br /> Program. <br /> The Seven Mile Creek Natural Area is a County designated preserve, which is <br /> also a part of the 366 acre Upper Eno Nature Preserve, acquired throughout the <br /> 1970's and 1980's at a time when a possible future reservoir was being <br /> considered. Once the need for the reservoir was eliminated, the County began <br /> conservation efforts to maintain the area as a natural area. <br /> The County designated natural area includes portions of two significant natural <br /> heritage areas, specifically the `Crabtree Creek Monadnock Ridge' and the <br /> `Sevenmile Creek Sugar Maple Bottom' featuring large stands of southern sugar <br /> maples, hackberry and swamp chestnut oaks and serves as a host for several <br /> state listed rare plants and significant wildlife species. <br /> ENVIRONMENTAL REVIEW: <br /> I. COUNTY DOCUMENT(S): <br /> a. Unified Development Ordinance (UDO): <br /> i. Per Section 6.13 Stream Buffers, identified water features (i.e. <br /> streams, hydrologically connected ponds, wetlands, etc.) are <br /> required to be left undisturbed. The width of this required natural <br /> area ranges from 65 ft. to 80 ft. based on the slope of the property <br /> in and around the water feature; <br /> STAFF COMMENT: The submittal indicates identified water <br /> features will be located within designated open space areas, <br /> with vegetation either being preserved or re-established <br /> consistent with applicable County standards. <br /> Please note: the applicant has the ability to seek a permit <br /> from the US Army Corps of Engineer to locate a roadway <br /> within/adjacent to identified wetland areas. The proposed <br /> driveway off of Mt. Willing Road will be required to secure a <br /> permit before development activity can occur. <br /> Section 6.13.6 of the UDO lists various development <br /> activities that are permitted within identified stream buffers, <br /> which include roadway development. <br /> ii. Impervious surface: The Property is located within the Upper Eno <br /> Protected Watershed Protection Overlay District. Per Section 4.2.6 <br /> Impervious Surface/Detention Pond Requirements for Non- <br />