Orange County NC Website
Article 6: Development Standalla <br /> Section 6.14: Stormwater Management <br /> /h\ Haw River /\rm <br /> Nf#F0geR, 3.8 pounds per acre per year <br /> s r rm�P�^sp„h�er„asTT3- d <br /> po�,a r ea perea <br /> (B) The nutrient export from each new development shall be calculated in pounds per acre <br /> per year(using the approved accounting tool) in accordance with the methodologies <br /> approved by the NC BWQDEQ. <br /> (C) If a proposed development subject to nutrient load requirements contributes nutrients <br /> greater than the standards listed above, the developer may install Str, Gtural st rrnwator <br /> BMP--s stormwater control measures (SCMs) 13 to meet the required nutrient load <br /> standards or do a combination of 9MPs SCMs and offset payments to achieve the <br /> standard. <br /> (D) Offset Payments <br /> (1) Offset fees may be permitted to meet the nutrient export levels set for new <br /> development. In order to utilize offset fees, the proposed new development <br /> subject to the nutrient load standards must attain nitrogen and phosphorus <br /> loading rate reductions on-site that meet the following criteria prior to using an <br /> offsite offset measure: <br /> (a) Falls Lake Watershed <br /> (i) 30% or more reduction in both nitrogen and phosphorus loading <br /> from the untreated conditions for any single-family, detached and <br /> duplex residential development disturbing one half acre but less <br /> than one acre; <br /> (ii) 50% or more reduction in both nitrogen and phosphorus loading <br /> from the untreated conditions for any single-family, detached and <br /> duplex residential development disturbing more than one acre; <br /> (iii) 30% or more reduction in both nitrogen and phosphorus loading <br /> from the untreated condition for other development, including <br /> multi-family residential, commercial and industrial development <br /> disturbing 12,000 square feet but less than one acre; <br /> (iv) 50% or more reduction in both nitrogen and phosphorus loading <br /> from the untreated condition for other development, including <br /> multi-family residential, commercial and industrial development <br /> disturbing more than one acre; <br /> (v) 30% or more reduction in both nitrogen and phosphorus loading <br /> from the untreated condition for proposed redevelopment <br /> activities in a designated downtown area that would replace or <br /> expand structures or improvements that existed as of December <br /> 2006. <br /> (b) jorrc an Lake Watershed <br /> Sox pounds per aGr per year nitrogen for single mild deta <br /> �vm-rasp � e� � i--rn-n-vg �r-Sff�gr -amn��a <br /> and duplex residential development <br /> Ten pounds per-acre per year nitrogen for other development <br /> innlu ding nnmmorniol industrial, and multi family residential <br /> (2) Offset fees may be paid to the North Carolina EGesystom Enhonnomcnt Program <br /> 13 Nomenclature change to ensure consistency with State law. <br /> Orange County, North Carolina—Unified Development Ordinance Page 6-99 <br />