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Last modified
8/11/2009 11:32:55 AM
Creation date
8/10/2009 3:19:27 PM
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Template:
UCREFRP
UCREFRP Catalog Number
7313
Author
Upper Colorado River Commission.
Title
Forty-Second Annual Report of the Upper Colorado River Commission
USFW Year
1990.
USFW - Doc Type
Colorado River Storage Project and Participating Projects.
Copyright Material
NO
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<br />feet, or 55 percent of normal. The reservoir was approximately 22 feet <br />short of filling. <br /> <br />Due to the continuance of minimum flows and the occurrence oflate <br />season storms, storage in Navajo Reservoir has returned to more normal <br />levels. <br /> <br />With the recovery of storage and a favorable forecast of inflow for 1991, <br />Navajo Reservoir should fill and spill during the 1991 water year. <br /> <br />e. Blue Mesa Reservoir <br />Blue Mesa Reservoir was at its high elevation of7,503.10 feet on July <br />10, 1990, with a content of 687,000 acre-feet. Total releases from Blue <br />Mesa were 527,000 acre-feet, all of which went through the power plant. <br />Releases from the Aspinall Unit were at minimum levels throughout the <br />1990 water year. Unregulated inflow to Blue Mesa Reservoir during the <br />April- July runoff period was only 585,000 acre-feet, or 84 percent of <br />normal. With this low runoff and the low storage in the reservoir, Blue <br />Mesa was approximately 17 feet short of filling in 1990. <br /> <br />Although Blue Mesa did not fill in 1990, storage in the reservoir has <br />returned to more normal levels due to the continuance of minimum re- <br />leases. This, combined with an improving forecast of inflow for 1991, <br />indicates that Blue Mesa should fill in 1991. Flows in the Black Canyon <br />of the Gunnison National Monument are expected to average about 800 <br />cfs through the recreation season. <br /> <br />f. Morrow Point Reservoir <br />Morrow Point Reservoir was operated between 110,000 and 115,000 <br />acre-feet, its full-stage capacity, during water year 1990. <br /> <br />g. Crystal Reservoir <br />Total releases from Crystal Dam were 659,000 acre-feet, with 617,000 <br />acre feet going through the power plant and 42,000 acre-feet being by- <br />passed. <br /> <br />60 <br />
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