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<br />Upper Neuse Watershed Management Plan Appendix A <br />Options for Managing Water Quality <br />1. 1 unit per 5 acres and 5 percent impervious surface area maximum or <br />2. Performance standards for all new developments: maximum nitrogen and phosphorus surface <br />loading of 1.7 Ibs/ac/yr and 0.3 Ibs/ac/yr, respectively. <br />See Chapter 4 for other recommended actions related to monitoring and enforcement, <br />education, point source controls, and stream/wetland restoration. <br />--- ---- <br />Little River Reservoir <br />Area in Orange County: 62.2 sq. mi. <br />15.5 percent of land area of Orange County j <br />Existing development regulations <br />i ORANGE <br />• 1 unit per 2 acres and 6 percent impervious surface area maximum ` COUNTY ~' <br />• Stream buffer approximately 100 feet `L_.____ J <br />Development regulation changes required to meet non-degradation <br />target: <br />Habitat Requirement <br />Enhanced peak flow management for any new developments >10 percent: imperviousness 1 unit per <br />Options for Managing Water Quality <br />1. 5 acres and 3.5 percent impervious surface area maximum or <br />2. 1 unit per 3 acres plus 1 village per township or <br />3. Performance standards for all new developments: maximum nitrogen a.nd phosphorus surface <br />loading of 1.7 Ibs/ac/yr and 0.3 Ibs/ac/yr, respectively. <br />See Chapter 4 for other recommended actions related to monitoring and enforcement, <br />education, point source controls, and stream/wetland restoration. <br />Flat River (Lake Michie) <br />Area in Orange County: 7.1 sq. mi. <br />1.8 percent of land area of Orange County <br />Existing development regulations: <br />• 1 unit per acre <br />• 12 percent impervious surface area maximum <br />• Stream buffer approximately 100 feet <br />ORANGE <br />COUNTY <br />UNRBA May 2003 A-8 <br />