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<br /> <br />3. Pond Configuration <br />• Length (L) = 150 ft., Width (W) = 75 ft. (Avg. At Elevation 6,577) <br />Sideslopes (M) = 3:1 on cut slopes, total of 5:1 on embankment <br />a. Pond Volume <br />Sta a Z-ft Elevation Storage (Ac-Ft) <br />0 6,570 0 <br />1 6,571 0.103 <br />2 6,572 0.124 <br />3 6,573 0.146 <br />4 6,574 0.170 <br />5 6,575 0.194 <br />6 6,576 0.219 <br />7 6,577 0.245 <br />Total 1.201 <br />4. Design Discharge <br />• 025 (25-yr, 24-hr. Runoff) <br />PZS = 1.9 in. (Ref. Miller et al., NOAA Atlas No. 2, vol. III) <br />CN=72 <br />025 = 0.25 inc. (Ref. Peak Flows in Colorado, p. 52) <br />Peak Discharge (cfs/in runoff) - 30 cfs/in (Ref. Peak Flows in Colorado, p. <br />16) <br />= 30 cfs/in x 0.25 in = 7.5 cfs <br />i <br />Revised May 1998 <br />