WSP01209

• File Number: 8281.400
• Description: Colorado River Studies and Investigations -- Colorado River Depletion Projections
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 1/1/1985
• Title: Colorado River Depletion Projections
• Water Supply Pro - Doc Type: Report/Study

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The C~CB in cooperation with the local project sponsors

completed'a project rescoping study in November, 1984 and are
actively involved in a new feasibility study for the rescoped

project,

r. Upper ,Gunnison River Basin Project

Water rights with a priority date of November 13, 1957, for
the Wayne :N, Aspinall Unit (formerly Curecanti Unit) of the
Colorado giver Storage Project were granted by the Colorado

Water Court to the Colorado River Water Conservation District.

These rights were assigned by the district to the United Stated
in Januar~ 1962 subject to the condition that the unit would be
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developed ~nd operated In manner conslstent wlth bene IClal use

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of the wat'ers in the Gunnison River Basin. In order that

future dev~lopments in the Upper Gunnison Basin would be

assured of, rights to use of water, a formal contract was

developed for execution among the United States Government, the
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Upper 9 .~~vn River Water Conservancy District, and water

users in the Upper Gunnison Basin whereby the diversion and

storage right of the Aspinall Unit would be subordinated to

60,000 acre-feet of future developments upstream, both private
and Federal, even though the rights of the upstream
developments might be junior to the Aspinall Unit right.

However, this agreement was never executed by the United

States.

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The aggregate amount of the up.stream depletions for

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