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C.ol ~ r;t) c.' ( Co Indian Reservation. One turnout, located about 2 miles south of Tangerine Road, would be provided for the Avra Valley Irrigation District. From this turnout a pipe/canal delivery line and two pumping plants would be con- structed to deliver CAP water to the District's boundary. Between West 22nd Street and West 36th Street, a turnout at elevation 2,800 feet would be provided to deliver water to Tucson's proposed water treatment plant. Since the aqueduct would be located adjacent to the treatment plant site, very little connecting facilities would be necessary. Near Ajo Road a turnout would be provided for the Schuk Toak District. From this turnout a pipeline would be constructed to the reservation. At the south boundary of the San Xavier Reservation a turnout would be provided for the same enti- ties identified in the West Side Plan. To provide electrical service to the pumping plants two options are under study. This study is being conducted by the Oepartment of Energy, Western Area Power Administration. The first option would provide service by tapping existing electrical facilities near the pumping plant sites and constructing new facilities from the taps to the plants. The second would provide service by modifying the existing Tucson Substation and construct- ing new facilities that would generally parallel the aqueduct alignment to the plants. For a more detailed list of the physical characteristics of the plans, see table 1. EVALUATION OF PLANS Information to compare the plans was collected on a variety of sUbjects. Those subjects that showed significant differences between plans and would affect plan selection are discussed below. Other factors that were not different between plans, such as water quality, are not discussed here, but they will be included in the PR/EIS. 5