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<br />Calculation of Peak Discharge <br />Ditch No. 3 <br />Curve Number - 78 <br />Average Slope - 530 <br />Soil Type - Archuleta-Sanchez Complex <br />Soil Group - D <br />Juniper Grass Cover - 55b <br />L25 + L50 + L75 <br />Slope (.25) (170) <br />Area <br />L25 @ 7,248' Elev. = 306' <br />L50 @ 7,290' Elev. = 327' <br />L75 @ 7,333' Elev. = 303' <br />Slope Adjustment Factor - 1.17 <br />Runoff - 0.66 inches <br />Equivalent Area - 4 Acres <br />Equivalent Peak Flow - 8 cfs/inch <br />Adjusted Peak Flow - 2.6 cfs <br /> <br />-15- <br />