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<br />ARAPAHOE COUNTY WATER AND WASTEWATER AUTHORITY <br /> <br />. Metering of water services and rate structures and billing systems designed to <br />encourage efficiency. <br />. Distribution system efficiency through an annual water audit. <br />. ACWW A is planning an indirect potable reuse system and an expansion of its non- <br />potable water system in the effort to conserve water. In addition, the Joint Water <br />Purification Project (JWPP) will protect the Authority's alluvial water supply thus <br />reducing reliance on deep groundwater and extend the life of the nonrenewable <br />resource. <br /> <br />The total annual savings from all the conservation activities currently implemented by ACWW A <br />is estimated to be 30% of the average day demand or 1,330 acre-ft per year. <br /> <br />Conservation Goals and Benefits <br /> <br />ACWW A identified the following areas of water use that the Authority wanted to target for <br />water conservation: <br />. Total water demand <br />. Per-connection water use <br />. Peal( demand water use <br /> <br />Total water demand and per connection water use were targeted in order to lower total water <br />usage and limit required water right acquisitions. Per-connection water use was targeted over <br />per-capita water use because of the nature of the ACWW A service population. Because the <br />majority of the water use is commercial, it is difficult for the Authority to calculate the per-capita <br />water use. Peal( demand water use was targeted in order to reduce the capacity of water supply <br />and treatment facilities, and their associated costs. <br /> <br />The Authority set an initial goal of a 5% reduction of water use per tap equivalent over 10 years. <br />A 5% reduction in water use per tap equivalent will in addition reduce overall annual water <br />demands by 5%. <br /> <br />Once the areas of targeted water conservation and a goal for a reduction in water demands were <br />identified, the following objectives were established: <br /> <br />. Eliminate, downsize or postpone capital projects and water rights acquisitions, <br />. Lower variable operating costs, <br />. Educate customers about the value of water, and <br />. Improve reliability and margins of safe and dependable yields of current water supplies <br />and related treatment worl(s and/or conveyance and distribution systems. <br /> <br />Richard P. Arber Associates, Inc. <br /> <br />ES-2 <br /> <br />ACWW A05 <br />