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., "• <br />D Manipulated (man-altered): Explain: <br />Tributary properties with respect to top or bank (estimate): <br />Average width: feet ( measured from top of bank to top of bank) <br />Average depth: feet. (measured from OHWM to top of bank) <br />Average side slopes: Pick List <br />Primary tributary substrate composition (check all that apply): <br />□ Silt: <br />□ Sand: <br />□ Clay: <br />□ Cobbles: <br />D Gravel: <br />D Muck: <br />D Bedrock: <br />D Concrete: <br />D Vegetation (Type/% cover): <br />D Other (Explain): <br />Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain: <br />Presence of run/riffle/pool complexes. Explain: <br />Tributary geometry: Pick List . <br />Tributary gradient (approximate average slope): % <br />c. FLOW INFORMATION <br />Tributary provides for: Pick List <br />Estimate average number of flow events in review area/year: Pick List <br />Describe flow regime: <br />Other information on duration and volume: <br />Surface flow is: Pick List. Characteristics: <br />Subsurface flow: Pick List. Explainfindi,ngs: <br />D Dye ( or other) test performed:. <br />Tributary has (check all that apply): <br />□ Bed and banks <br />D OHWM 6 (check all indicators that apply): <br />D clear, natural line impressed on the bank <br />D changes in the character of soil <br />D destruction of terrestrial vegetation <br />D vegetation matted down, bent, or absent <br />D leaf litter disturbed or washed away <br />D multiple observed or predicted flow events <br />D water staining <br />D abrupt change in plant community. Explain: <br />D other (list): <br />D Discontinuous OHWM.7 Explain: <br />D the presence of litter and debris <br />D shelving <br />D the presence of wrack line <br />D sediment sorting <br />D scour <br />D sediment deposition <br />If factors other than the O HWM were used to determine lateral extent of CW A jurisdiction ( check all that apply): <br />D High Tide Line indicated by: OR D Mean High Water Mark indicated by: <br />D oil or scum line along shore objects D survey to available datum <br />D fine shell or debris deposits (foreshore) D physical markings <br />D physical markings/characteristics D vegetation lines/changes in vegetation types <br />D tidal gauges <br />D other (list): <br />6A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where <br />the OHWM has been removed by development or agricultural practices). Where there is a break in the OHWM that is unrelated to the waterbody's flow <br />regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break_ <br />7ibid. <br />ud080Z07 #t-'D 3