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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 />17 <br /> <br />The forecasted runoff during the spring of 1992 will be constantly monitored to <br />achieve these objectives, <br /> <br />Navajo Reservoir <br /> <br />With 1991 inflow expected to be 89 percent of normal, the storage in Navajo <br /> <br />Reservoir recovered to the normal level, although the reservoir was approximately <br /> <br />90,000 AF short of filling, During May of 1991, releases of 3,000 CFS were made <br /> <br />in order to accommodate studies for endangered fish and to flush silt from the river <br /> <br />bed that has accumulated over the past 2 years of minimal releases. After the <br /> <br />completion of the specific releases, discharge from the reservoir was reduced to 600 <br /> <br />CFS. The objective is to maintain a release of 500 CFS from the reservoir to meet <br /> <br />downstream water demands and to preserve the blue ribbon trout fishery located <br /> <br />immediately downstream of the reservoir. The release of 500 CFS is an objective <br /> <br />only and is not a minimum flow requirement. <br /> <br />Under all but the most adverse inflow scenarios, Navajo Reservoir should fill in <br /> <br /> <br />1992. Releases from the reservoir will be held near 600 CFS through the fall and <br /> <br /> <br />winter months and large releases will be made in May and June in .order to provide <br /> <br /> <br />better spawning conditions for endangered fish located in the San Juan River. <br /> <br /> <br />Additionally, specific releases will be made from the reservoir in order to study <br /> <br /> <br />habitat requirements of the endangered fish, These specific releases will be part of <br />
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