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<br />00234:; <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />EXECUTIVE DIRECTOR'S MONTHLY REPORT <br />TO THE <br />COLORADO RIVER BOARD OF CALIFORNIA <br /> <br />September 12, 2000 <br /> <br />RECEIVED <br />SfP 1 8 2QQQ <br /> <br />CoIOllldo Wat... Conservation aoord <br /> <br />ADMINISTRATION <br /> <br />Effective August 28, 2000, the Board hired Mr. Christopher S. Harris as its new <br />Environmental Program Managerreplacing Mr. Fred A. Worthley who retired on June 30, 2000, after <br />38.5 years of state service. Mr. Harris worked for the Arizona Department of Water Resources for <br />15 years prior to joining the Board. <br /> <br />PROTECTION OF EXISTING RIGHTS <br /> <br />Colorado River Water ReDort <br /> <br />During July 2000, storage in the major Upper Basin reservoirs decreased by 307,000 acre-feet <br />and storage in the Lower Basin reservoirs decreased by 650,000 acre-feet. Total System active <br />storage as of the end of July was 52.324 million acre-feet (mat) or 88 percent of capacity. which is <br />3,693 mafless than one year ago. <br /> <br />August releases from Hoover, Davis, and Parker Dams averaged 15,060, 13,900 and <br />10,900 cubic feet per second (cfs), respectively. Planned releases from those three dams for the <br />month of September 2000 are 8,100,10,900 and 9,000 cfs, respectively. The September releases <br />represent those needed to meet downstream water requirements and to conduct dredging operations <br />above Morelos Dam. <br /> <br />The preliminary 2000 observed April through July 2000 unregulated inflow into Lake Powell <br />was 4.352 mal', which is 56 percent of the 30-year average for the period 1961-1990. The forecast <br />of unregulated inflow into Lake Powell for the 1999-00 water year is 7.248 mal', or 62 percent of the <br />30-year average. <br /> <br />The Lower Division states' estimated conswnptive use of Colorado River water for calendar <br />year 2000, as estimated by Board staff, totals 8.496 maf and is projected as follows: Arizona, <br />2.843 mal'; California, 5.359 mal'; and Nevada, 0.294 mal'. Estimated additional unmeasured return <br />flow credits of 0,246 mal' would reduce the total amount to 8.250 maf. For calendar year 2000, the <br />Central Arizona Project (CAP) is projected to divert 1.387 mal', of which 0.292 acre-feet is to be <br />credited to the Arizona Water Bank, and The Metropolitan Water District of Southern California <br />(MWD) is projected to divert 1.305 mal'. <br /> <br />The preliminary September 6, 2000, estimate of 2000 end-of-year California agricultural <br />consumptive use of Colorado River water under the first three priorities and sixth priority of the 1931 <br />