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Table 1. Capacity and Capacity Loss Analysis for Basin 6 <br /> Period Cumulative <br /> Capacity Cumulative annual annual ', <br /> loss for capacity capaciry capacity I <br /> Period Capaciry period loss loss rate loss rate <br /> a) Analysis in units of ac ft <br /> 1922 2,797 <br /> 1922-1936 2,302 495 495 35.4 35.4 <br /> 1936-1946 2,049 253 749 25.3 31.2 <br /> 1946-1956 1,940 109 858 10.9 25.2 <br /> 195 6-1966 I,769 171 1,029 17.1 23.4 <br /> 1966-1983 I,592 176 1,205 10.4 19.8 <br /> 1983-2000 1,451 141 1,346 8.3 17.3 <br /> b)Analysis in units of million gallons <br /> 1922 911 <br /> 1922-1936 750 161.4 161 11.5 11.5 <br /> 1936-1946 667 82.6 244 8.3 10.2 <br /> 1946-1956 632 35.5 280 3.6 8.2 <br /> 1956-1966 576 55.7 335 5.6 7.6 <br /> 1966-1983 519 57.4 393 ;.4 6.4 <br /> 1983-2000 473 45.9 439 2.7 5.6 <br /> Notes: Basin 6 surface area is 423.3 acres for 2000. <br /> Capacity shown is for the sedimentation survey conducted at the end of the period. <br /> Table 2. Capacity Loss Rates (percent) Relative <br /> to Original Lake Capacity <br /> Period Cumulative <br /> annual annual <br /> Period Per period Cumulative loss loss <br /> 1922-193 6 17.7 17.7 1.3 1.3 <br /> 1936-1946 9.1 26.8 0.9 l.l <br /> 1946-1956 3.9 30.7 0.4 0.9 <br /> 1956-1966 6.1 36.8 0.6 0.8 <br /> 1966-1983 6.3 43.1 0.4 0.7 <br /> 1983-2000 5.0 48.1 0.3 0.6 <br /> 7 <br />