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Mr. Neil Stessman <br />12/24/97 <br />Page 4 <br />feet. The lack of a river call is also demonstrated by relatively low evaporation <br />credit claimed from Denver's South Platte reservoirs. <br />Denver continues to actively pursue maximizing its use of transmountain return <br />flows. During 1997, Denver began to pursue implementation of the Board of <br />Water Commissioner's near term water supply strategy for producing 55,000 <br />acre -feet of water needed to extend Denver's water supply to the year 2030. The <br />strategy contains the elements of non - potable reuse, small -scale system <br />refinements, water conservation, and cooperative supply projects. These <br />elements were selected after completion of Denver Water's Integrated Resource <br />Plan (IRP). <br />Non - potable Reuse Project. Non - potable reuse would greatly enhance Denver's <br />successive use of Colorado River water. The project being planned involves the <br />construction of a 45 mgd non - potable reuse plant that would receive effluent from <br />the Metro Wastewater Reclamation District plant and further treat the effluent so <br />it can be delivered for irrigation and industrial uses. Denver plans to construct <br />the project in three phases, with the last phase bringing the total amount of water <br />served to about 15,600 acre -feet per year. Currently, Denver is conducting a pre - <br />design study to further define the plant size and processes, distribution system <br />layout, customer demands, and quality needs for the reuse project. Construction <br />is slated to begin the first part of 1999. The first phase of operations is scheduled <br />to begin in 2001. Denver has already made agreements for delivery of about 8000 <br />acre -feet of non - potable reuse water with future users. Public Service Company <br />of Colorado has initially committed to 5,200 acre -feet of this total for use at their <br />Cherokee Power Plant. This agreement will be finalized later in 1998. Also, the <br />Rocky Mountain Arsenal plans to use about 1,000 acre -feet of reuse water. The <br />remaining commitments are from irrigation users. <br />System Refinements. <br />Park Conversions. Within the system refinement category of the near -term <br />supply strategy is the conversion of parks and open spaces currently <br />irrigated with treated water to raw water supplies. Reusable <br />transmountain return flow can be used to replace existing demands at <br />those areas identified as being feasible conversion candidates. <br />Lawn Irrigation Return Flow. Denver also plans to quantify return flow of <br />Colorado River water used for irrigation of lawns within its service area as <br />part of the system refinement portion of the near term strategy. Once <br />quantified, these return flows provide a source of water for exchange to its <br />