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<br />COLORADO RIVER RECOVERY PROGRAM <br />FY 2002 ANNUAL PROJECT REPORT <br /> <br />RECOVERY PROGRAM <br />PROJECT NUMBER: 71 <br /> <br />1. Project Title: Colorado River Decision Support System (CRDSS) <br /> <br />II. Principal Investigators: <br /> <br />Ray Alvarado <br />Michelle Garrison <br />Colorado Water Conservation Board <br />1313 Sherman St., Room 721 <br />Denver, CO 80203 <br />Phone: (303) 866-3441 <br />Fax: (303) 866-4474 <br />e-mail: rav.alvarado@state.co.us <br />e-mail: michelle.garrison@state.co.us <br /> <br />III. Project Summary: <br /> <br />The CRDSS supports better decision making with respect to the utilization of Colorado <br />River water resources. It provides computer databases and tools to make informed and <br />timely decisions regarding the use and operation of Colorado's water resources in the <br />Upper Colorado River Basin. The CRDSS operates in accordance with existing <br />compacts and State laws govemingthe administration of water and water rights, and will <br />allow planning for the optimal use and development of Colorado's water resources to <br />occur. <br /> <br />In relation to the RecoveryProgram, CRDSS is being used to evaluate the physical and <br />legal water availability at different locations along a stream and to determine the amount <br />of water available for instream flow appropri,ations. It can also provide information to <br />help determine the impacts of endangered fish flows on Colorado's ability to develop its <br />full compact apportionment. <br /> <br />A large part of these CRDSS efforts have contributed to decision making on the IS-Mile <br />Reach PBO and the accounting system. This accounting system requires significant <br />work every S years. CRDSS has also been used extensively in the development of the <br />Yampa River Management Plan and to evaluate flow recommendations for the Gunnison <br />River. CRDSS will also be used in the PBO process for the Yampa, Gunnison, and <br />White River Basins. <br /> <br />IV. Study Schedule: <br /> <br />The project started in 1993. Phase IIIb (extension of basin models) was completed in <br />July 2000. A funded maintenance program has been established to provide Colorado <br />State employees for ongoing maintenance and data updates. <br /> <br />7\ - 1 <br />