Orange County NC Website
Browse       Search
3) Method B - Stream Buffer Based on Slope and Groundcover <br />STREAM BUFFER WIDTH (IN FEET) <br />BASED ON SLOPE AND GROUNDCOVER' <br />Slope Value <br />Type of Groundcover <br />Method B, and at any given point along the stream, the width of the buffer shall be <br />Grass <br />Wood <br />The same method shall be used to calculate the buffer around the reservoir itself. <br />s <br />2 to 4.9 <br />100 <br />50 <br />5 to 9.9 <br />150 <br />100 <br />10 to 14.9 <br />200 <br />100 <br />15 or greater <br />250 <br />150 <br />'In addition to the buffer zone resulting from the calculations below, a stream buffer shall include any <br />portion of a floodplain as defined in the Orange County Flood Damage Prevention Ordinance, by special <br />survey by a registered engineer or surveyor, or by alluvial soils as designated in the Orange County Soils <br />Survey, <br />2The required stream buffer zone shall not be limited to one calculation, but shall be based on <br />calculations made at points where topographical and ground cover conditions change based on an <br />analysis of the site. <br />e) Minimum Buffer Width Required <br />DISTRICT <br />MINIMUM STREAM BUFFER WIDTH* <br />UNIV -CA <br />The buffer width adjacent to streams shall be calculated for both Method A and <br />Method B, and at any given point along the stream, the width of the buffer shall be <br />the larger of the two. <br />The same method shall be used to calculate the buffer around the reservoir itself. <br />New structures shall be located at least 150' from the reservoir or outside of the <br />stream buffer, whichever is greater. <br />UNIV -PW <br />The buffer width shall be calculated for both Method A and Method B, and at any <br />given point along the stream, the width of the buffer shall be the larger of the two. <br />CANE -CA <br />The buffer width adjacent to streams shall be the width calculated using Method A. <br />U- ENO -CA <br />The same method shall be used to calculate the buffer around the reservoir itself. <br />New structures shall be located at least 150' from the reservoir or outside of the <br />stream buffer, whichever is greater. <br />U- ENO -PW <br />The buffer width shall be as calculated using Method A, or 150', whichever is less, <br />L- ENO -PW <br />except where density exceeds 1 du /ac and impervious surface exceeds 12 %. <br />BACK - PW <br />Where density exceeds 1 du /ac and impervious surface exceeds 12 %, the buffer <br />width shall be calculated as above, but shall not be less than 100'. <br />CANE -PW <br />The buffer width shall be the width calculated using Method A, or 150', whichever is <br />LITTLE -PW <br />less. <br />HYCO -PW <br />FLAT - PW <br />HAW -PW <br />JORDAN -PW <br />MAErosion Control Div \Stream Calls \Zoning Text.012005 <br />