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<br />11 <br /> <br /> <br />0"', - <br />" q. -) <br />..'Il - <br /> <br />. <br /> <br />Turquoise Lake <br /> <br />Inflow to the lake for water year 1972 will be from four sources: Homestake <br />project imports, Busk-Ivanhoe imports, Fryingpan-Arkansas project imports, <br />and native flow of Lake Fork Creek. Estimates of this inflow from Busk-Ivanhoe <br />imports and native Lake Fork Creek flow were made by use of historical records <br />and probability analysis. The 10, 50, and 90 percent chance values were ob- <br />tained from the probability curves shown on exhibits 1 and 2 and are considered <br />to represent the reasonable minimum, most probable, and reasonable maximum <br />inflows, respectively. Monthly distribution of these values was made in accor- <br />dance with historical records. However, the imports by the Homestake project <br />were determined from factors other than runoff. Fryingpan-Arkansas project <br />imports for the three conditions are derived from exhibit 2, discussed above, <br /> <br />Minimum Required Reservoir Releases <br /> <br />Ruedi Reservoir <br /> <br />. <br /> <br />The fish bypass, not to exceed the stream inflow, is 39 c, f. s, for the months of <br />November through April, and 110 c. f, s, for May through October, At the re- <br />quest of State and Federal fish and wildlife interests, the fish bypass for the <br />period October 1 through November 15 will be 100 c, f. s. to facilitate the brown <br />trout hatch. At the request of western slope interests, August bypass will be at <br />a minimum of 150 c. f, s. <br /> <br />Turquoise Lake <br /> <br />When the project goes into full operation, or when Pueblo Reservoir is able to <br />store any upstream releases, fish releases are to be maintained at 10 c. f. s, for <br />October and 3 c. f. s. for November through April, or natural inflow to the res- <br />ervoir, whichever is lesser. Irrigation releases are estimated to be sufficient <br />for fish flow during the irrigation season, During the construction period, this <br />criterion will be followed insofar as is practical without the loss of proj ect water <br />downstream. <br /> <br />The Operating Plan for the 1972 Water Year <br /> <br />. <br /> <br />Three detailed monthly operation studies have been made which simulate the <br />proposed operation of Ruedi Reservoir and Turquoise Lake. Two of the studies <br />