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<br />".... <br /> <br />Wolcott: The Wolcott Dam Site is 1 mile north of the town of Wolcott, Colorado, and 0,7 miles <br />north of the Eagle River on Alkali Creek, a minor tributary of the Eagle River. The reservoir would <br />serve as an off-stream storage site, Two reservoir sizes were considered in this Study. Low Wolcott <br />would create a reservoir of 160,000 af capacity, supplied only with water pumped from the Eagle <br />River, while High Wolcott, 350,000 af capacity, would be supplied by pumping from both the Eagle <br />and Colorado Rivers, The Colorado River conveyance would include 6.3 miles of tunnel from State <br />Bridge, Colorado, which is north of the reservoir site, <br /> <br />.-, <br /> <br />Una: The Una Dam Site is located on the Colorado River at the Mesa-Garfield county line, It <br />lies between the towns of Parachute and DeBeque, Colorado, 35 miles northeast of Grand Junction, <br />Colorado. Both dam abutments rise steeply from the 1100-foot wide valley floor, The reservoir <br />would extend up the Colorado River valley to the town of Parachute, Reservoir capacities <br />considered at this site ranged from 100,000 af to 196,000 af. <br /> <br />--- <br /> <br />2,2 <br /> <br />CONVEYANCE SYSTEM ALTERNATIVE DESCRIPTION <br /> <br />The conveyance system is the pumpback element of the Green Mountain Exchange Project. <br />It is a pump and pipeline system that would pump water from Green Mountain Reservoir to Dillon <br />Reservoir, Both reservoirs are located on the Blue River, a tributary to the Colorado River, Green <br />Mountain Reservoir is located 26 miles downstream of Dillon Reservoir, The difference in water <br />surface elevation between the two reservoirs is 1070 feet. <br /> <br />The Blue River flows from Dillon Reservoir to Green Mountain Reservoir, between the <br />mountains of the Gore Range to the west and the Williams Fork Mountains to the east. The corridor <br />along the river was judged to be the best general location for the conveyance pipeline because it <br />provides the shortest route, ready access and crosses the gentlest terrain, Within this corridor, two <br />alternative routes were considered, the River Valley Route and the Highway Route, In addition a <br />gravity canal was conceptually evaluated as an alternative. <br /> <br />River Vallev Route - The proposed river valley route parallels the west shore of Green <br />Mountain Reservoir and follows the Blue River to Dillon Reservoir, Along this route, the Blue River is <br />crossed five times. This alternative presents environmental impacts associated with the removal of <br />riparian growth, impacts on fisheries and water quality during the construction of river crossings, <br />and soil erosion, It would also present visual impacts due to the removal of vegetation near the river. <br /> <br />- <br /> <br />2-3 <br />