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<br />OOg~j <br /> <br />. <br /> <br />. <br /> <br />PROTECTION OF EXISTING RIGHTS <br /> <br />Colorado River Water Report <br /> <br />N; of December 5, 2002, storage in the major Upper Basin reservoirs decreased by 193,000 <br />acre-feet and storage in the Lower Basin reservoirs decreased by 162,000 acre-feet during November. <br />Total System active storage as of November 30th was 37.152 million acre-feet (mat) or 61 percent <br />of capacity, which is 8.302 mafless than one year ago. <br /> <br />November releases from Hoover, Davis, and Parker Dams averaged 10,500, 9.810 and 6,590 <br />cubic feet per second (cfs), respectively. Planned releases from those three dams for the month of <br />December 2002 are 9,900,8.300, and 5,700 cfs, respectively. The December releases represent those <br />needed to meet downstream water requirements including those caused by reduced operation of <br />Senator Wash reservoir. <br /> <br />The Lower Division States' estimated conswnptive use of Colorado River water for calendar <br />year 2002, as estimated by Board staff, totals 8.749 maf and is projected as follows: Arizona, 3.115 <br />maf; California, 5.323 maf; and Nevada, 0.310 maf. Unmeasured return flow credits of 0.263 maf <br />would reduce the total amount of projected conswnptive use to 8.486 maf. All three Lower Basin <br />states have increased their conswnptive use of mainstream water due to a drought condition. <br /> <br />For calendar year 2002, it is estimated the Central Arizona Project (CAP) will divert <br />1.689 maf, of which 0.343 mafis to be credited to the Arizona Water Bank, and The Metropolitan <br />Water District of Southern California (MWD) will divert 1.194 maf. <br /> <br />The preliminary December 2002 end-of-year California agricultural conswnptive use of <br />Colorado River water under the first three priorities and the sixth priority of the 1931 California <br />Seven Party Agreement is 4.070 maf. This estimate is based on the collective use through October <br />2002 by the Palo Verde Irrigation District, the Ywna Project Reservation Division (YFRD). the <br />Imperial Irrigation District, and the Coachella Valley Water District. Figure 1, found at the end of <br />this report, depicts the historic projected end-of-year agricultural use for the year. <br /> <br />Colorado River Operations <br /> <br />Supplement to 2002 Annual Operating Plan <br /> <br />On November 22Dd, Secretary Norton issued a supplement to the 2002 Annual Operating Plan <br />(AOP) authorizing additional deliveries of Colorado River water to the Palo Verde Irrigation District, <br />Imperial Irrigation District, and the Coachella Valley Water District during the remaining weeks of <br />CY 2002, with the proviso that repayment of the overuse in CY 2002 shall take place within four <br />years beginning in CY 2003 .with a minimum of25 percent of the overrun returned to the system <br />each year. <br /> <br />3 <br />