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Metropolitan Water Supply Investigations - Phase II Plan of Study 8/16/94 5:04 PM Page 17 d) Sub-Task Leader: Lee Rozak/is 9. . Sub-Task 4i: Analysis of Surface Storage Opportunities a) Purpose Inventory the availability of storage in existing reservoirs and compile information regarding downstream storage potential within the study area. (If we are to look at the potential for interruptible supply agreements on the west slope, then the study area should probably include west slope storage reservoirs.) b) Approach The following existing. reservoirs will be included in the storage analysis: Antero, Spinney Mountain, Elevenmile, Cheesman, Chatfield, Bear Creek, Cherry Creek, Dillon, Aurora, Gross, and Barr Lake, Obtain information from the applicable management agencies for each reservoir including the following: . A description of the physiCal features of the reservoir . Associated water rights . Current and future anticipated operational practices and constraints . A vailability of storage including space the may be available on a temporary or permanent basis or on a seasonal basis Gather information regarding other potential storage sites that have been studied by metro area water agencies. This would include the survey of downstream storage opportunities conducted by Denver Water, work done by Thornton on gravel pit storage, and others. Evaluate the nature and extent of available storage at various existing and proposed facilities in the context of each of the water supply options being considered in the MWSI study. The objective of this evaluation would be to determine which storage options may be suitable for use in conjunction with effluent management, conjunctive use, and/or interruptible supply, Identify legal and institutional arrangements necessary of utilization of facilities where storage is available. Identify environmental and recreational issues and constraints associated with utilization of facilities where storage is available.