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i a <br /> Amended d) - . ., = • -.d._AA--'AZI O€...Minimum ze <br /> i7 -6-82 Requirements <br /> Stream buffers may be used as part of the required lot <br /> area or lot size for residential and non-residential <br /> developments . <br /> e) fallt&E3$_Vgggtatton In Buffer_ Areas <br /> Existing forested areas or any healthy vegetation cannot <br /> be removed from a stream buffer, except where replaced <br /> 1 with vegetation resulting in comparable stormwater <br /> runoff velocity and quantity one year after planting . <br /> f) . f - , _ $eouired <br /> New vegetation shall be planted to capture non-source <br /> il pollutants before they reach the perennial stream, as <br /> per applicable Orange County Standards . <br /> 6 .23 .2 Reserved ' <br /> II 6 .23 .3 Reserved <br /> e6 .23 .4 Impervious Surface Regulated in PDQt,ected Wa AD <br /> *Amended <br /> 11-20-84 An impervious surface is a surface composed of any <br /> 11-19-85 material which impedes or prevents the natural <br /> 1-7 -86 infiltration of water into the soil . Such surfaces <br /> shall include any concrete or asphalt surface . These <br /> would include , but not be limited to , streets and <br /> II parking areas , sidewalks , patios and structures which <br /> cover the land . As a watershed becomes developed the <br /> amount of impervious surface increases causing a <br /> II decrease in soil absorption of stormwater runoff and an <br /> increase in direct runoff to streams and other water <br /> bodies . resulting in an increase in potential water <br /> il pollution . <br /> In order to promote infiltration of stormwater runoff, <br /> into the soil and to minimize direct and immediate <br /> li runoff into streams and water supply impoundments , <br /> impervious surface ratios shall be required as provided <br /> in the Table of Impervious Surface Ratios Section <br /> 1 6 .23 .4. Modifications of the Impervious Surface Ratios <br /> may be requested , however , as a Class A Special Use in <br /> accordance with the provisions of Section 8 of this <br /> Ordinance. In no case shall a modification be granted <br /> for property located in a designated Water Quality <br /> Critical Area , and no modification granted under the <br /> provisions of Section 8 shall exceed the ratios <br /> established in Section 6 .23 .4 for the Protected <br /> Watershed (PW-II) District by more than five percent <br /> (5%) . <br /> • <br /> 0 6_�7 <br />