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WSP00353
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Last modified
1/26/2010 12:25:34 PM
Creation date
10/11/2006 9:40:49 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8240.200.43.H.2
Description
Grand Valley/Orchard Mesa -
State
CO
Basin
Colorado Mainstem
Water Division
5
Date
8/11/1993
Title
Analysis of the Orchard Mesa Check Operation Under Current and Historic Stream Administration Practices
Water Supply Pro - Doc Type
Publication
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<br />CONCLUSIONS <br /> <br />The State Engineer's current administration of the Check results in anew, increased demand on <br /> <br /> <br />the Colorado River near Grand Junction. Under current administration, the Check operates less <br /> <br /> <br />frequently and carries only one third of the volume of water it has historically. As a result, water <br /> <br /> <br />right calls can be more frequent and of longer duration than they have historically. Further, the <br /> <br /> <br />operational change has increased the Cameo demand from approximately 1,700 cfs to 1,950 cfs. <br /> <br /> <br />Over the late irrigation season of dry years, this new demand exceeds an average of 30,000 AF <br /> <br /> <br />of water. Most, if not all, of this water is currently being made available to the Cameo call through <br /> <br /> <br />release of water from Green Mountain Reservoir. <br /> <br />. <br />.~ <br />~ <br /> <br />The increased demand on Green Mountain Reservoir as caused by the change in administration of <br /> <br />the Check could adversely impact west slope beneficiaries during future dry years. The 66,000 <br /> <br /> <br />AF west slope beneficiary pool defined in the Bureau's operating policy will be prematurely <br /> <br /> <br />exhausted exposing hundreds of west slope water users to a potential water right call during late <br /> <br /> <br />summer. These domestic, municipal and agricultural users may have to secure additional sources <br /> <br /> <br />of water right protection in order to prevent curtailment of their water systems. <br /> <br />t; <br /> <br />;;. <br /> <br />Respectfully submitted: <br /> <br />RESOURCE ENGINEERING, INC. <br /> <br />. <br />, <br />,. <br /> <br />~ <br /> <br />R. Scott Fifer <br />Hydrologist <br />419-1.0 3.....,.....,. <br /> <br /> <br />~~13~ <br /> <br />Paul S. Bussone. P.E. <br />Water Resource Engineer <br /> <br />-,; <br /> <br />21 <br />
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