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<br />1,0 INTRODUCTION <br /> <br />,""~ <br /> <br />1.1 BACKGROUND AND AUTHORIZATION <br />A Phase I Feasibility Study for the Clear Creek Project was authorized on <br />April 4, 1986, by the Colorado Water Resources and Power Development Authority <br />(Authority) in response to an application submitted by the Clear Creek Water <br />Users Alliance (Alliance). Study of the Clear Creek Project began in August 1986 <br />when Tudor Engineering Company (Tudor) entered into a contract with the Authority <br />to conduct the Step 1 investigations. In April 1988, the Authority entered into <br />a second contract with Tudor to provide engineering services for the Step 2 <br />studies. <br /> <br />.- <br /> <br />The objective of this investigation was to plan for future development of <br />the water resources of the Clear Creek Basin to meet the growing municipal and <br />industrial water supply needs of the existing Clear Creek water users. Other <br />anticipated benefits from this project include improved water quality, a major <br />new recreation area within a short drive of metropolitan Denver, flood control, <br />hydropower, enhancement of agriculture water supply, and enhancement of the <br />regional economy. <br /> <br />,-. <br /> <br />'-" <br /> <br />The Phase I studies have been performed in two steps. The Step 1 <br />investigations, completed in November 1987, focused on the identification and <br />evaluation of potential water and hydropower developments and the selection of <br />several preferred alternatives. A broad range of potential projects was screened <br />based on preliminary technical, economic, and environmental analyses. The <br />objective was to distinguish the major differences between alternative plans; <br />provide an indication of viability for each alternative; and to determine if more <br />refined investigations were justified for selected alternatives. The results of <br />the Step 1 study indicated that a reservoir of at least 100,000 acre-feet (af) <br />capacity would be needed to produce a firm water supply yield that would be both <br />sufficient in quantity and potentially cost effective. Step 1 studies also <br />determined that only reservoir sites within Clear Creek Canyon could provide at <br />least 100,000 af of storage. ~ <br /> <br />.'"...... <br /> <br />,-., <br /> <br />1-1 <br />