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<br />. <br /> <br />(cc) Lake Mead.--6.5 percent of surface storage change <br /> <br />plus or minus. <br /> <br />(d) Sediment.--Through the accumulation of sediment, active <br />capacity in the reservoir will be reduced to the following <br /> <br />estimated amounts: <br /> <br />Year <br /> <br />Upper Basin <br />Reservoirs <br /> <br />Lake Mead <br />(at bottom of <br />exclusive flood <br />control pool) <br /> <br />(million acre-feet) <br /> <br />. <br /> <br />1980 <br />2000 <br />2030 <br /> <br />30.23 <br />28.95 <br />27.09 <br /> <br />25.45 <br />24.92 <br />24.13 <br /> <br />(e) Losses below Lake Mead.--Estimated losses have been <br /> <br />updated by Region 3 using a water budget method (diversions <br /> <br />less return flow) and are consistent with compilations made <br /> <br />in accordance with Article V of the Supreme Court Decree of <br /> <br />March 9, 1964. The Region has also made estimates of future <br /> <br />changes in the historic net losses by reason of future water <br /> <br />salvage programs, etc. <br /> <br />(f) Water supply.--(WY 1906-1968) 1%8 modified monthly <br /> <br />streamf10ws (flows as they would be in absence of CRSP <br /> <br />reservoirs at Lees Ferry gage with the 1968 level of <br /> <br />. <br /> <br />10 <br />