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Article 6: Development StandarJ4 Section 6.14: Stormwater Management (1) For all protected watersheds, an absolute limit on the percentage of lot area which can be covered with impervious surfaces has been established. See Section(s)4.2.5 and 4.2.6 of this Ordinance. (2) In some cases, StFU tUFal st r,,,water W esSCMs are required when the proposed impervious surface ratio exceeds a specified percentage, which is below the absolute limit. 6. 4.5 Applicability (A) The stormwater standards and regulations included herein are applicable all new development within the Orange County planning jurisdiction, including 1vate, public, state, and federal development not covered by a separate NPDES p mit, as follows: Falls Lake Watershed (a) Any activity that cumulatively disturbs great than one-half acre of land in order to establish, expand or modify a ' gle family or duplex residential development or a recreation facility. (b) Any activity that cumulatively distur greater than 12,000 square feet of d in order to establish, expan , or modify a multifamily residential de opment or a commercial ' dustrial or institutional facility. (c) New de lopment that this rbs less than the above thresholds are exempt un ss the new evelopment is part of a larger common plan of development sale d the larger common plan exceeds the above thresholds, eve ugh multiple, separate or distinct activities take place at different time o different schedules. (2) Jordan Lake Water ed (a) Any acti y that cumulative disturbs greater than one acre of land in order establish, expand or dify a single family or duplex residential de opment or a recreational fa ' 'ty. (b) ny activity that cumulatively disturbs reater than one-half an acre of land in order to establish, expand, or mo 'if y a multifamily residential development or a commercial, industrial or stitutional facility. (c) New development that disturbs less than the ab ve thresholds are exempt unless the new development is part of a la er common plan of development or sale and the larger common plan ex c eds the above thresholds, even though multiple, separate or distinct ad i ities take place at different times on different schedules. New development shall not include agriculture, mining, or forestry activities, as fined by North Carolina General Statutes. 6.14.6 Review Criteria (A) Nlei.AV development withiR the Orange C06IRty planRing jHri6diGtien must Gernply with the fallow+ng.New Development: _ — Formatte (1) Riparian areas must be protected and maintained in compliance with this Ordinance, (2) Nutrient load contribution must meet the standards listed in Section 6.14.7 as required by the North Carolina Divisien of Water n„ar+„ (NG D VQ)Department of Environmental Quality (NCDEQ)1 6 6 As previously indicated staff is changing existing references to reflect the renaming/rebranding of NC DWQ to the North Carolina Department of Environmental Quality(NCDEQ). Orange County, North Carolina—Unified Development Ordinance Page 6-97