Colorado - Upper CO River Endangered Fish Recovery Program_Statement of Work

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In 2004, Grand River Consulting completed a study for the River District, Denver Water and Northern Colorado Water Conservancy District: Comparison of Water Supplv Alternatives Associated with the Upper Colorado River Endan�ered Fish Recoverv Pro�ram. The objective of this assessment was to compare six specific 10825 Alternatives that were of interest at the time of the study. Environmental issues, proj ect costs, water yield and other implementation issues were evaluated at a reconnaissance level for each of the six study alternatives. 1.3 Current InvestiEations and Proiect Participants At the end of 2006, a broad coalition of East and West Slope water providers agreed to work together to provide a fnal effort to analyze and compare a broader list of alternatives. These alternatives include new and existing structural facilities as well as differing operating scenarios of new and existing reservoir facilities. This comparative analysis was envisioned to be developed in an open, unbiased process in order to potentially build support from across the state to enable an informed and smooth transition into the NEPA process. In February of 2007, Grand River Consulting was directed to begin an updated 10825 alternatives assessment by the River District and Denver Water. A 30-member Steering Committee made up of water supply providers from across the west and east slope was established to direct the study process. A list of the Steering Committee participants is attached to this scope of work. Under the direction of this committee, Grand River Consulting initiated a"Phase 1 Screening Assessment" of an expanded suite of structural and non-structural 10825 Alternatives. This Phase 1 Screening Study will compare and contrast all reasonably identifiable 10825 Alternatives, in a level of detail similar to the 2004 Report. The Phase 1 Screening Study will be completed in April, 2007. This screening study will recommend a specific list of 10825 Alternarives that warrant more detailed analysis and investigation in the Phase 2 Study. A"10825 Work Group" is made up of self selected technical participants from the steering committee. This group has agreed to meet regularly to provide feedback and direction to Grand River Consulting. In order for more direct and effective communication with the consultant, an Executive Committee comprised of representatives of the River District, Denver Water, the Northern Colorado Water Conservancy District and the Southeastern Colorado Water Conservancy District was formed in April. The Phase 2 Alternatives Study outlined herein will be completed for, and under the direction of the 10825 Steering Committee, and under contract with the River District. The Phase 2 Alternatives study is also a joint project of the Colorado, South Platte, Metropolitan Area and Arkansas Basin Roundtables, in that water users represented in each of these Roundtables have responsibility for ensuring the continued compliance with the Programmatic Biological Opinion for the Colorado River Fishes. Letters of support for 10825 Phase 2 Scope of Work Revised May 25, 2007 per CWCB request Page 2