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,...... J <br /> rl'-.41...... .• <br /> 6.23.1 d) Stream Buffers Included As Part Of Minimum Lot Size Requirements <br /> Stream buffers may be used as part of the required lot area or <br /> lot size for residential and non-residential developments. <br /> 6.23.1 e) Existin. Vegetation In Buffer Areas <br /> Existing forested areas or any healthy natural vegetation can <br /> not be removed from a stream buffer except when replaced with <br /> vegetation resulting in comparable stormwater runoff velocity <br /> and quantity one year after planting. <br /> 6.23.1 f) New Ve.etation In Buffer Areas Re.uired <br /> New vegetation shall be planted to capture non-source pollutants <br /> before they reach the perennial stream, as per applicable Orange <br /> County standards. <br /> 6.23.2 Modified Size Re.uirements In the Protected Watershed II 1/31i-11), District <br /> .. . .,. <br /> a) Irrespective of densities allowed by this ordinance, the <br /> development of any land or structure within the Protected <br /> Watershed IX district shall require one of the following: <br /> a) a minimum 5 acre lot size without stonmwater <br /> management' teChiliques. <br /> b) a minimum 2 acre lot sizeWhen provision <br /> is made to manage stormwater runoff. Runoff <br /> - - from the 10-year storm on the developed site <br /> shall not be greater than the rate of runoff <br /> on the same site prior to the proposed develop- <br /> ment. <br /> 6.23.3 Stormwater Runoff From Proposed Developments To Be Minimized In <br /> Protected Watershed I (PW-I) District <br /> Stormwater runoff from the 10-year storm on the developed site <br /> shall not be greater than the rate of runoff on the same site <br /> prior to the proposed development. This provision shall apply <br /> to all major subdivisions. <br /> 6.23.4 Impervious Surface Regulated in Protected Watersheds <br /> An impervious surface is any surface through which water <br /> cannot penetrate or can only penetrate slowly. This would <br /> include_ paved streets and parking lots, concrete sidewalks, <br /> and structures which cover land, As a watershed t becomes <br /> developed, the amount of impervious surface increases causing <br /> a decrease in soil ainceirra-4,,,, ...g ...---- _ <br /> _ • <br />