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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />SECTION III <br />ANALYSES AND PLAN DEVELOPMENT <br /> <br />For purposes of developing this master plan, Morrison's water system has been divided in four <br />subsystems: <br /> <br />A. Water Source, <br />B. Raw Water Delivery, <br />C. Water Treatment, and <br />D. the Distribution System. <br /> <br />The alternatives evaluated under each subsection are discussed and the recommended <br />alternative is described with its integration into the master plan. <br /> <br />The water source must be able to meet the ultimate water demands of the community. Surface <br />water from Bear Creek has been, and will cOl1tinue to be, the water supply for Morrison. With <br />the addition of the Cooley Reservoir and the existing level of development, in the near future the <br />Town can rely upon the water in storage during much of the year when water quality in Bear <br />Creek is less than optimum. At full build-out, however, when water demand is high, Morrison <br />will need to rely upon direct diversions from Elear Creek throughout the year so as to utilize all <br />available water. <br /> <br />Evaluation of raw water delivery includes all transport of untreated water from the intake on <br />Bear Creek to the operational reservoir, to and from the Cooley Reservoir, and ultimately to the <br />treatment plant. Altematives to analyze include the point of diversion on Bear Creek (grav.ity or <br />pumped), delivery to the Morrison Operating Reservoir, and method of delivery/withdrawal <br />to/from Cooley Reservoir. <br /> <br />Analysis of the water treatment plant is infllJenced by the location of development, i.e. water <br />demands. The plant should be located where it can economically serve development <br />concentrations. For example, if development will not occur in the near future south of Morrison <br />(300 feet higher in elevation than the center of town) it would not seem practical to pump all <br />water (water for storage and direct delivery for treatment) up to the Cooley Reservoir area for <br />treatment - and then reduce the pressure at the point of final use. Conversely, if significant <br />development is to occur south of Town, and it is most feasible to operate only one plant, the <br />existing treatment facilities could be abandoned and a new plant constructed near the Cooley <br /> <br />70-0BO.035:MSTR-PLN <br />