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<br />1231 <br /> <br />. <br /> <br />Project water will be routed to fill the forebay through the Mt. Elbert <br />Conduit when requested by the oonstruction division. <br /> <br />Table 5 and Exhibit 9 show the proposed operation of 'I\.u:qLDise lake in <br />water year 1979. <br /> <br />Pueblo Reservoir <br /> <br />Reservoir Inflav- <br /> <br />Inflav- to Pueblo Reservoir is broken into two sources: (1) natural flav- <br />(the native flav- of the Arkansas River at Pueblo Dam plus upstream <br />reservoir water being passed downstream), and (2) project water for <br />storage in Pueblo Reservoir. <br /> <br />Upstream reservoir water, including project water sold to the South- <br />eastern Colorado Water Conservancy District, is a small portion of the <br />total flow of the Arkansas River at Pueblo Dam, and is usually bypassed, <br />therefore, it is oonsidered part of the natural flav-. <br /> <br />A probability curve for the natural inflav- to Pueblo Reservoir was <br />~uted by the lDg Pearson llEthod is shown graphically as Exhibit 3. <br /> <br />. <br /> <br />A total armual inflav- that is equaled or exceeded 50 percent of the tirre <br />is considered to be the rrost probable inflav-, a 90 percent chance of <br />being equaled or exceeded is considered to be the reasonable minirourn, <br />and a 10 percent chance of being equaled or exceeded is considered the <br />reasonable maximum. <br /> <br />'!he armual inflav- was distributed llOllthl y according to the averages <br />based on historical records for the years 1955 through 1974. <br /> <br />Winter Water Storage Program <br /> <br />'!he ditch carpanies belCM Pueblo Dam reached a tentative agreeIlEl1t for <br />a Winter Water Storage Program on November 15, 1978. '!he program requires <br />that all the ditch c:arrpanies between Pueblo and John Martin Reservoirs <br />agree to let the program operate by not placing a call on the river. <br />Storage in Pueblo Reservoir is detennined by the water available and is <br />based on the total river system. The water will be divided anong the <br />participating entities based on percentages agreed upon at the winter <br />water meetings. Certain provisions are allaved to SuPPly water to <br />entities with off-channel storage belCM Pueblo. <br /> <br />It is estimated that 43,000 acre-feet will be stored under this year's <br />program. <br /> <br />. <br /> <br />13 <br />