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<br />. <br /> <br />. <br /> <br />. <br /> <br />California, a consumptive use rate of 5.0 acre-feet per acre was <br /> <br /> <br />used. California's annual consumptive use after CAP is on the line <br /> <br /> <br />will total the full 4.4 maf allocation since water for CAP has a <br /> <br /> <br />lower priorit~. The maximum qaantities of water decreed to National <br /> <br /> <br />Wildlife Refuges bave been incorporated in the depletion studies. <br /> <br /> <br />The Mexican Treaty obligation continues at 1.5 maf per ~ear, exclasive <br /> <br /> <br />of estimated excess average annual deliveries to Mexico of about <br /> <br /> <br />85,000 acre-feet (60,000 acre-feet of bypass vater parsuant to <br /> <br /> <br />Minute 218, and 25,000 acre-feet of uncontrollable regulatory overages). <br /> <br /> <br />Table No. 3 attached hereto shows in condensed tabul.e.r form the future <br /> <br /> <br />demands on Lake Mead, based on the data and procedures heretofore <br /> <br /> <br />described. Chart I shovs graphically the same Lake Mead demand data <br /> <br /> <br />tor the ~ears 1970, 1980, and 2030. <br /> <br />V. Discussion <br /> <br />It should again be emphasized that the preliminary projections presented <br />herein have been based primarily on historical data and the concept of <br />measured diversions less meaaured returns. However, in recognition ot <br /> <br />the f~t that there undoubtedly are unmeasured returna, that improved <br /> <br /> <br />irrigation and drainage s~stems may lead to increased efficiencies, and <br /> <br /> <br />that better measuring techniques may be developed in the future, <br /> <br />9 <br />