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WSPC12730
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Last modified
1/26/2010 4:34:16 PM
Creation date
3/27/2008 10:56:29 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8282.600.40
Description
Colorado River AOP Status Report
Basin
Colorado Mainstem
Author
USDOI/BOR
Title
Colorado River Reservoir Operations Status Reports Partial Part 1 2003, with staff comment
Water Supply Pro - Doc Type
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<br />respectively. Inflow to Lake Powell is expected to remain below average through the winter and <br />early spring. <br /> <br /> <br />Drier than average conditions have now prevailed for the past three years in the Colorado River <br />Basin. Total unregulated inflow into Lake Powell in water year 2000 and 2001 was 62 and 59 <br />percent of average, respectively, and only 25 percent of average in 2002. Inflow in 2002 was <br /> <br />the lowest ever observed since the completion of Glen Canyon Dam in 1963. These low inflows <br />have reduced water storage in Lake Powell. The current elevation of Lake Powell is 3,619.7 feet <br />(82.3 feet from full pool). Current storage is approximately 13.7 million acre-feet (56 percent of <br />capacity). The water surface elevation of Lake Powell will likely continue to decline until April, <br />2003. The current projection shows that the water surface elevation of Lake Powell will reach a low <br /> <br />of about 3,610 feet (90 feet below full pool) in April 2003, when next spring's runoff begins. <br /> <br />Because of the draw down condition of Lake Powell, releases from Lake Powell in water year 2003 <br />are being scheduled to meet the minimum objective release of 8.23 million acre-feet. This is <br />consistent with the requirements of the 1970 Criteria for Coordinated Long-Range Operation <br /> <br />of Colorado River Reservoirs. <br />
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