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m � j� <br />� , <br />service areas, including timing for new demands through the year 2050. Using the <br />individual demand data, the consultant will develop a composite demand curve for the <br />DCWRA Study Group members and compare that curve with the population <br />projections from the state demographer and DRCOG. If sigcuficant discrepancies are <br />identified, the consultant will work with the Management Team to develop a , <br />consensus on how to address the discrepancies so a composite demand projection is <br />established that can form the basis for planning. The goal of this task is to develop a <br />composite water demand vs. time-curve that is accepted as credible by the <br />Management Team and the individual DCWRA Study Group members. If such <br />acceptance can not be obtained, the Management Team can elect to not per£orm <br />subsequent study phases or establish a water demand vs. time curve that will be used <br />as the basis for subsequent study phases. In addition to the composite demand <br />projection, the consultant will report demand projections for individual DCWRA <br />Study Group members through the yeaz 2050. The consultant will interview <br />zepresentatives of The District, Denver Water and the participants in the UPCO study <br />to identify other demands on water resources or water system facilities that need to be <br />considered. It is anticipated that these interviews and the UPCO study will identify <br />present and future water demands on the West Slope, in Denver Water 's service area, <br />instream flow needs, reservoir fluctuation constraints, system limitations (physical <br />conduit or treatment sizes; modes of operation;) or other factors that should be <br />considered in the Study. <br />Water Supplies - a detailed description ofDCWRA Study Group members' existrng <br />water supplies, a caZculation of [he future water supply shortage and a feasibility <br />analysis of fufure water supplies from groundwater, South Platte River surface water, <br />non potable reuse and conservation as weld as alternative South Platie basin water <br />such as may be identrfred by the Management Team. <br />The consultant will work with all DCWRA Study Group members to define each <br />member's estimate of existing water supplies available to that member, including <br />conservation, non-potable reuse, surface water, and groundwater as of the yeaz 2000. <br />This estimate wiA include absolute water rights as well as conditional water rights that <br />could be developed during the planning period. The purpose of this analysis is to <br />establish a water supply baseline for each DCWRA 5tudy Group member for use in <br />calculating future supply shortages. The consultant will describe the water supply as <br />the acre-feet of "Firm Yield" deliverable each year over a representative set of . <br />hydrology years for surface water and renewable resources. For groundwater, and any <br />water supply that has a diminishing yield over time, the consultant will analyze what <br />groundwater actions would be required by the DCWRA Study Group member to <br />maintain its system yield through the yeaz 2100, including the monetary cost of those <br />actions. It is expected that the consultant wiil make effective use of available <br />groundwater models such as those developed by the State of Colorado or the U. S. <br />Geological Survey as a basis for making these projections. If the consultant feels that <br />a different model is wuranted then the cost, justification and timeframe fot developing <br />that model will be presented to the Management Team for its approval prior to <br />a� s�Pe oewo� vniros <br />