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• <br />Table 4.8-6 cont. -page 2 <br /> 25-Yr, 24-Hr <br /> 10-Yr. 24-Hr Storm Event Storm Event <br /> Peak Peak Effluent Peak <br />Sedimentation Soillwav Stage (ft) Stage Storage Outflow Settleable Conc Stage Outflow Year'` <br />Pond Principal Emergency (ft) (ac-ft) (cfs) (ml/I) (ft) (cfs) Built <br /> <br />Ute #1 R 7.0 9.0 7.5 1.94 1.3 0.0000 7.9 6.6 1987 <br />Johnson #8 9.0 10.0 10.0 2.32 36.8 0.3499 10.4 86.9 1978 <br />Johnson #7R 7.0 9.0 8.5 4.19 26.4 0.0179 9.3 77.1 1987 <br />Johnson #8R 7.0 9.0 8.4 4.84 22.1 0.0005 92 69.9 1987 <br />Johnson #9R 8.5 10.0 9.8 3.63 20.0 0.0005 10.4 68.9 1991 <br />Johnson #10R 9.0 11.0 9.7 7.05 20.6 0.0004 10.6 70.5 1992 <br /> West Pyeatt #1 9.0 11.0 11.0 4.18 54.4 0.2269 11.4 111.2 1992 <br />r <br />,'~ West Pyeatt #2 10.0 11.5 11.3 2.70 49.4 0.0085 11.9 98.2 1992 <br />00 <br />a~ <br /> Middle Pyeatt #1 10.0 11.5 12.0 2.17 76.1 12.6017 12.5 143.8 1986 <br /> Middle Pyeatt #2 10.0 11.5 12.0 2.12 74.9 1.9237 12.5 141.2 1986 <br /> Middle Pyeatt #3 10.0 12.0 11.8 8.19 31.3 0.0015 12.5 95.2 1986 <br /> East Pyeatt #1 8.0 10.0 10.6 2.28 108.1 22.27 11.2 231.5 1988 <br /> East Pyeatt #2 8.0 10.0 9.7 5.87 90.5 0.35 10.7 211.8 1993 <br /> East Pyeatt #3 8.0 10.0 9.6 3.02 78.6 0.00 10.6 185.1 1988 <br />D :D <br />~ ~ cont. next page. <br />o <br />o` <br />~. ~ <br />~ (1) Year built for fut ure ponds may vary by + two years. <br />~ 5/03 [PERMR\T4-&8] <br />~i <br />