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000.81 <br />off site effects by minimizing clearing, compaction and <br />overall site disturbance, while maximizing vegetated areas <br />for stormwater infiltration. Methods to accomplish this <br />standard shall include, in order of preference: <br />a. on -site infiltration through the retention of <br />undisturbed, vegetated areas <br />b. structural or engineered infiltration measures, such as <br />trenches or retention poems, which reduce the aacunt of <br />runoff <br />C. detention structures that reduce the rate of runoff. <br />Areas to wbich the standard applies shall include individual <br />lots or a new development as a,wbole. if applied to a <br />development as a wbole, the applicant mast provides for <br />installation and maintenance of proposed stormwater <br />menagaimt facilities. Applicants shall be required to sukmit <br />docmmsentation which indicates compliance with the specified <br />standard. <br />An individual lot of 80,000 square feet or more in size <br />Created by deed or plat in accordance with Orange County <br />Subdivision Regulations prior to the adoption of this <br />provision shall be exempt from this requirm -1 upon <br />submittal of a site plan which demonstrates that the develop <br />meat of the property is in accordance with the intent of this <br />provision to minimize overall site dfsturbancet <br />maximize maintenance of vegetated areas for stormwater <br />infiltrations and protect critical drainagemgs and waterways <br />from direct runoff impacts. <br />An impervious surface is a surface composed of any <br />material which impedes or prevents• the natural <br />infiltration of water into the soil. Such surfaces <br />shall include, but not be limited to, streets and <br />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 />decrease in soil absorption of stormrater runoff and an <br />increase in direct runoff to streams and other water <br />bodies resulting in an increase in potential water <br />pollution. <br />Tn order to promote infiltration of stormwater runoff <br />into the soil and to minimize direct and immediate <br />runoff into streams and water supply inpourdments, <br />a? ' <br />17 <br />