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WSP07544
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Last modified
1/26/2010 2:27:48 PM
Creation date
10/12/2006 2:27:02 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
822.600.10
Description
Colorado River Annual Operating Plan - Annual Reports
Basin
Colorado Mainstem
Date
1/1/1992
Author
USDOI/BOR
Title
Annual Operating Plan
Water Supply Pro - Doc Type
Annual Report
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<br /> <br />15 <br /> <br />Flaming Gorge Reservoir <br /> <br />The 1991 annual inflow into Flaming Gorge Reservoir is expected to be <br /> <br />approximately 78 percent of the long term average, This inflow combined with <br /> <br />slightly above minimum releases, increased the elevation of Flaming Gorge to 12 <br /> <br />feet. But, even with this recovery, the reservoir was 8 feet short of filling in 1991. <br /> <br />The special releases at Glen Canyon for the environmental studies resulted in <br /> <br />releases from Flaming Gorge being above minimum levels in 1991. This increase in <br /> <br />release was necessary to give Western Area Power Administration (WAPA) more <br /> <br />flexibility in keeping the power system whole in the event of an emergency. The <br /> <br />releases were increased with the understanding that Flaming Gorge would be used <br /> <br />only as a last resort (i.e, power from other sources could not be purchased). A <br /> <br />limited number of specific releases for research and data collection for studies <br /> <br />concerning aquatic resources located below the dam were provided in 1991. <br /> <br />Colorado Squawfish young-of-the-year were found in the main stem of the Green <br /> <br />River in mid-July 1991 and, as recommended by the United States Fish and <br /> <br />Wildlife Service, restrictions on powerplant releases were developed and <br /> <br />implemented in order to provide better habitat for the young Colorado Squawfish. <br /> <br />With this operation plan, under all but the most adverse inflow scenarios, Flaming <br /> <br />Gorge is expected to fill in the summer of 1992 and releases are expected to be <br /> <br />above minimum levels. <br />
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