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<br />--.---..-- -- --_.._-~---- --~-~----._._.- ------ <br /> <br />,--' <br /> <br />For reservoirs, a complete water accounting is also performed. Some of the factors <br />considered include reservoir inflow, pumping from adjacent streams, bypass requirements to meet <br />senior downstream rights and minimum instream flows, reservoir releases, spills, seepage, and <br />evaporation, The model allocates water based on the Colorado water rights priority system and other <br />legal and institutional arrangements in the Colorado River Basin which are discussed in previous <br />sections, <br /> <br />:..-.' <br /> <br />The modeled area covers the Upper Colorado River Basin above the Cameo gage, The study <br />system is divided into 56 segments, The model incorporates over 800 major diversion structures <br />each having an aggregate water right greater than 5 cfs. This accounts for more than 90 percent of <br />the total diversions in the basin, The total number of water rights associated with these structures is <br />approximately 1600, The operations of all existing major reservoirs are simulated in the model. <br />These include Lake Granby, Willow Creek, Green Mountain, Williams Fork, Dillon, Homestake, and <br />Ruedi Reservoirs, The total storage and minimum pool for these existing reservoirs are summarized <br />in Table 4,1. <br /> <br />-' <br /> <br />'- <br /> <br />Other reservoirs such as Shadow Mountain Reservoir and Grand Lake were excluded from <br />the model simulations because of their relatively small impact on streamflows, Additional reservoirs <br />are simulated under future development scenarios, These are: Rock Creek Reservoir, planned by <br />the CRWCD; Iron Mountain Reservoir for the Red Cliff project; Kendig Reservoir for the West Divide <br />Project; and Main Elk Reservoir for oil-shale development, <br /> <br />'--' <br /> <br />'-.J <br /> <br />4-2 <br />