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Table 4.8-6 Sediment Pond Summary Information Page 1 <br /> rvspgFeb2020 <br /> 10-Yr,24-Hr Storm Event 25-Yr,24-Hr Storm Event <br /> Peak Peak Effluent Peak <br /> Sedimentation Spillway Stage (ft) Stage Storage Outflow Settleable Conc. Stage Outflow Year <br /> Pond Principal Emergency (ft) (ac-ft) (cfs) (ml/1) (ft) (cfs) Built <br /> Impoundment "H" 9.5 11.5 9.5 4.8 0.5 0.00 9.6 2.8 1975 <br /> Johnson #6 9.0 10.0 10.0 2.3 36.8 0.3499 10.4 86.9 1978 <br /> Johnson #7R 7.0 10.0 8.5 4.2 26.4 0.0179 9.3 77.1 1987 <br /> Johnson #8R 7.0 9.0 8.4 4.8 22.1 0.0005 9.2 69.9 1987 <br /> Johnson #9R 8.5 9.5 9.8 3.6 20.0 0.0005 10.4 68.9 1991 <br /> Johnson #10R 9.0 11.0 9.7 7.1 20.6 0.0004 10.6 70.5 1992 <br /> No Name#2 8.5 9.8 9.7 10.5 42.2 0.1201 10.6 147.2 1980 <br /> No Name#4 14.5 15.6 15.3 9.2 29.9 0.0011 16.3 126.0 1980 <br /> No Name#5R 6.0 8.0 7.6 1.7 28.9 0.0009 8.7 122.8 1987 <br /> cn <br /> Coyote 30.5 37.0 30.8 77.3 4.0 0.00 31.1 10.2 1977 <br /> Ute#1 R 7.0 9.0 7.5 1.9 1.3 0.00 7.9 6.6 1987 <br /> Middle Pyeatt#1 10.0 11.0 12.0 2.2 76.1 12.6017 12.5 143.8 1986 <br /> Middle Pyeatt#2 10.0 11.0 12.0 2.1 74.9 1.9237 12.5 141.2 1986 <br /> Middle Pyeatt#3 10.0 11.0 11.8 8.2 31.3 0.0015 12.5 95.2 1986 <br /> (1) Year built for future ponds may vary by±two years. <br /> (2) Designs will be sent to CDRMS for approval prior to construction. <br /> (3) Single open-channel design. <br /> Updated 4/17 <br />