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Feasibility Evaluation of the Arkansas Valley Pipeline <br />Water Works! Committee <br />June 2003 <br />Reducing landscape irrigation water demand through implementation of <br />xeriscaping and similar appropriate water conservation measures. Such measures <br />will require considerable time and effort to achieve implementation on the lawns <br />and landscaping surrounding private homes and gardens. <br />2. Implementation of dual systems that would substitute non-potable sources of <br />supply for irrigation of golf courses, parks, and similar large open space lands. <br />Experience with implementing water conservation measures in other semi-arid environments <br />similar to the Arkansas Valley has shown that water savings can be achieved, but they <br />typically require an investment in some form. The potential for a positive return on the water <br />conservation investment is highly dependent on site-specific factors that must be evaluated <br />for each municipality and water provider. <br />3.3.1.3 Conclusions <br />Based on our knowledge of the number of golf courses and the extent of parks and other <br />open space irrigation in Arkansas River valley municipalities east of Pueblo, there are a <br />limited number of water conservation opportunities that could likely generate a positive <br />return on investment. We recommend that each water provider should investigate the <br />specific water use characteristics of its customers to quantify the potential water demand <br />reductions that could be realized through a water conservation effort. <br />3.3.2 Evaluation of Blending Arkansas Valley Pipeline Deliveries with Local <br />Water Supplies <br />3.3.2.1 Purpose <br />The purpose of this evaluation is to estimate the feasibility of blending water delivered <br />through the proposed Arkansas Valley Pipeline with the local water supplies of the <br />participating water providers. Blending the Fryingpan-Arkansas Project water delivered by <br />the Valley Pipeline with the local water supplies will allow for a reduction in the required <br />capacity of the pipeline. A reduction in the required capacity will result in a reduction of the <br />pipeline's construction cost, thereby possibly contributing to the financial feasibility of the <br />project. <br />3.3.2.2 Benefits of Blending Water Supplies <br />The benefits of blending local water supplies with the deliveries from the proposed Arkansas <br />Valley Pipeline are derived from a reduction in the required capacity of the pipeline (hence, a <br />reduction in its construction cost), and from the increased system reliability inherent in a <br />28 <br />GEI Con$ultants, 1nC. 01284 03-06-30 Feasibility Evaluation Final <br />