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<br />A 9-year construction period has been projected. The Turkshead Dam and <br />Reservoir would be started the first year to provide early short-term <br />storage and to provide an elevated outlet to treatment plants for Aurora <br />and other high urban areas. The Hudson Feeder Canal would be constructed <br />concurrently. The Hudson Dam and Reservoir would be started about a year <br />later to provide early storage for the sewage plant effluent. Other <br />features would be scheduled for completion at appropriate intervals. <br />Storage in Two Forks could commence in the lOth year. <br /> <br />BENEFITS <br /> <br />Annual benefits have been evaluated for the following purposes or <br />functions: Municipal and Industrial Water Supply, Power, Flood Control, <br />Fish-Wildlife, and Recreation. <br /> <br />Municipal and industrial water supply benefits are based upon single- <br />purpose alternative reservoirs with local financing and an interest rate <br />of 3-~ percent. Power benefits were comp~ted, using the following values: <br />salable dependable capacity considered to be 80 percent of installed <br />capacity at $17.70 per kilowatt; salable generation considered 92-~ <br />percent of total generation at 2.29 mills. Flood control, fish-wildlife, <br />and recreation benefits were evaluated by the Corps of Engineers, the <br />Bureau of Sport Fisheries and Wildlife of the Fish and Wildlife Service, <br />and the Bureau of Outdoor Recreation, respectively. As of the date of <br />this report, the Fish and Wildlife Service has indicated that benefits <br />attributable to the Hudson Reservoir may be reduced. This would have the <br />effect of increasing the reimbursable cost allocated to M&I water. <br />Although the Public Health Service was consulted, it has been unable to <br />complete its study; consequently, the effect of the development on water <br />quality is not known at this time. <br /> <br />AmOng other recommendations, the Fish and Wildlife Service has indicated <br />that provision of a minimum pool of 2,000 surface acres (1,000 acres more <br />than presently planned) at Two Forks Reservoir would create additional <br />fishing benefits of $150,000 annually. This possibility remains to be <br />explored. With respect to the Hudson Reservoir, fish benefits of <br />$150,000 annually are predicated on the assumption that the inflows would <br />receive secondary sewage treatment, resulting in water quality adequate <br />to sustain a warm water fishery. <br /> <br />The plan of development has a favorable benefit-cost ratio as shown <br />below: <br /> <br />5 <br />