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Last modified
7/29/2009 10:06:40 PM
Creation date
10/12/2006 2:12:24 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8210.140.20.A
Description
Colorado River - Colo River Basin - Orgs/Entities - CRBSF - California - Colo River Board of Calif
State
CA
Date
1/14/1997
Author
Gerald Zimmerman
Title
Executive Directors Monthly Report to the Colorado River Board of California
Water Supply Pro - Doc Type
Report/Study
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<br />O. (I 2 1 d 8 <br /> <br />. <br /> <br />. <br /> <br />EXECUTIVE DIRECfOR'S MONTHLY REPORT <br />TO THE <br />COLORADO RIVER BOARD OF CALIFORNIA <br /> <br />January 14, 1997 <br /> <br />RECEIVED <br /> <br />,I8.N 171997 <br /> <br />PROTECI10N OF EXISTING RIGHTS <br /> <br />Colorado Water <br />ConS9rvalion 80anI <br /> <br />Colorado River Water Rc:port <br /> <br />During November 1996, storage in the major Upper Basin reservoirs decreased by 155,000 <br />acre-feet and storage in the Lower Basin reservoirs increased by 176,000 acre-feet. Total System <br />active storage at the end of November was 50.325 million acre-feet (mat) which is 745,000 acre-feet <br />less than one year ago. <br /> <br />December releases from Hoover, Davis, and Parker Dams averaged 9,990, 8,880 and 5,350 <br />cubic feet per second (cfs), respectively. Planned releases from those three dams for the month of <br />January are 10,620, 9,940, and 5,760 cfs, resp.:;ctively. The planned releases represent downstream <br />, water requirements. <br /> <br />The final January 1 forecast for April through July unregulated inflow to Lake Powell is <br />12.001 mar, which is 155 percent of the 30-year average for the period 1961-1990. The inflow to <br />Lake Powell for the 1996-97 water year is expected to be 16.407 maf, or 140 percent of the 30-year <br />average. <br /> <br />The Lower Division States' estimated consumptive use of Colorado River water for calendar <br />year 1996, as estimated by Board staff, totals 8.269 maf and is projected as follows: Arizona, <br />2.708 maf; California, 5.317 maf; Nevada, 0.244 maf Estimated additional unmeasured return flow <br />credits of 0.267 mafwould reduce the total amount to 8.002 maf. For calendar year 1996, the <br />Central Arizona Project (CAP) diverted 1.194 mar and The Metropolitan Water District of South em <br />California (MWD) diverted 1.244 maf. <br /> <br />The preliminary January 1 st estimate of the 1996 end-of-year California agricultural <br />consumptive use of Colorado River water under the first three priorities of the 1931 California <br />Seven-Party Agreement is 4.034 mat: This estimate is based on the collective use through December <br />1996 by the Palo Verde lrrigation District, the YUma Project Reservation Division, the Imperial <br />Irrigation District, and the Coachella Valley Water District. Figure i, bound at the end of this report, <br />depicts the monthly forecasts of end -of-year agricultural use since the beginning of the year. <br /> <br />Colorado River Operations <br /> <br />The 1997 Annual Operating Plan for the Colorado River System Reservoirs (1997 AOP) <br />has not been signed. However, Secretary of the Department of the Interior, Bruce Babbitt (Secretary <br />
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