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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />The study estimated that an average of 60,000 acre-feet of water per <br />year can be stored in Union Park Reservoir and later diverted while <br />meeting minimum stream flows and historical use of senior water <br />rights. Major hydrologic data used in the study are summarized and <br />presented in Table / 111-1. The yield figure of 60,000 acre-feet <br />per year was based on the average runoff of Taylor River below <br />Taylor Park Dam minus releases from Taylor Park Reservoir and <br />certain instream flows totaling 87,000 acre-feet per year plus <br />storable Lottis Creek flow in the Union Park Reservoir (140,000 - <br />87,000 + 7,000 = 60,000). <br /> <br />The study found that the capital cost for the 60,000 acre-feet per <br />year compares favorably witll other water supply projects currently <br />under consideration. Further, it concluded that the project helps <br />to stabilize flows on both slopes, is flexible in its operation, is <br />not dependent on additional East Slope storage for regulation, and <br />may have less environmental impact because of its off-river location. <br /> <br />2. w. w. \,heeler and Associates, Inc. (July, 1989) <br />A computer model was developed by W. W. Wheeler & Associates, Inc. <br />to simulate the operation of the Union Park Project. The study <br />period for the river system operation included 1950 through 1986. <br />The study used the recorded s t reamfl ow of Taylor River below Taylor <br />Park Dam corrected for change in storage in Taylor Park Reservoir. <br />These virgin flows are presented in Table / 111-2. The flow of <br /> <br />-28- <br />