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Feasibility Evaluation of the Arkansas Valley Pipeline <br />Water Works! Committee <br />June 2003 <br />3.3 Water Demand Management <br />The participating entities could utilize various types of water demand management as a <br />method of improving the feasibility of the proposed Arkansas Valley Pipeline. The possible <br />benefits of water demand management are: <br />1. Reduced water demand allows for smaller pipe diameter, reducing the total cost of the <br />project. <br />2. Reduced water demand reduces the need for water rights exchanges or the purchase <br />of additional water rights. <br />3. Reduced demand allows water to be available to satisfy other uses. <br />Water demand management methods typically have an associated cost of implementation <br />that must be compared with the value of the benefits. Three methods of water demand <br />management (water conservation, blending water supplies, and wastewater reuse) were <br />evaluated as part of this study. <br />3.3.1 Potential for Municipal Wafer Conservation Measures <br />3.3.1.1 Introduction <br />The possible applicability of municipal water conservation measures were evaluated as a <br />possible option for reducing demands on the capacity of the proposed Arkansas Valley <br />Pipeline Project. Implementing water conservation measures could reduce municipal <br />demand (both average and peak day demands) for water, thereby possibly contributing to the <br />feasibility of the pipeline project. <br />The size of the pipe, pumping stations, and storage required for the proposed pipeline project <br />is primarily a function of the peak day demand for municipal water supply. The peak day <br />demand for municipalities in the Arkansas River valley occurs during the summer months as <br />a result of demand for landscape irrigation water supply. Therefore, the greatest benefit from <br />water conservation measures most likely would be derived from reducing peak summer <br />demands for landscape irrigation water supply. This would reduce the peak day demands <br />and, consequently, the size and cost of the required pipeline infrastructure. <br />3.3.1.2 Water Conservation Measures <br />Reducing demand for landscape irrigation supply could possibly be accomplished by: <br />27 <br />GEI C011sllltants, InC. 01284 03-06-30 Feasibility Evaluation Final <br />