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<br />]0 <br /><:) <br />J~ <br />0') <br />"IN <br /> <br />.-1 <br />., <br /> <br />-1 <br /> <br />1 <br /> <br />J <br /> <br />] <br /> <br />::'_'"1_ <br />~ <br /> <br />J <br /> <br />I <br />] <br /> <br />'1 <br />'..# <br /> <br />I <br />., <br />J <br /> <br />,) <br /> <br />..; <br /> <br />On December 22, 1983, the USBR published an operating policy for Green Mountain <br /> <br /> <br />Reservoir (Federal Register Vol. 48, No. 247) with a provision that releases from the 100,000 af <br /> <br /> <br />power pool would be made available without charge to make up natural water shortages for those <br /> <br />irrigation and municipal uses perfected by use prior to October 16, 1977. Releases for these <br /> <br /> <br />purposes are not to exceed 66,000 af per year. The remaining water from the power pool would be <br /> <br /> <br />made available for use on the western slope, through "water sales". The amount of water sales and <br /> <br />the analysis of their impact are described in the Draft Water Marketing Program Environmental <br /> <br />Statement issued by USBR In June 1985. <br /> <br />3.3 <br /> <br />WATER RESOURCES UTILIZATION <br /> <br />Water availability for the various reservoirs analyzed as potential Joint-Use Reservoirs or <br /> <br />components of the Green Mountain Exchange Project was evaluated under three leveis of water <br /> <br />utilization in the basin: the existing level of use and two future levels of use. Each of these three <br /> <br />levels reflects increased development in the basin over present (1986) use. <br /> <br />In all three operating scenarios, the major projects to be operated and their average annual <br />target demands were established by the Authority in consultation with the DWB and the CRWCD. <br />Demands. used in the operating simulations for all three development scenarios were furnished by <br />the DWB for their Fraser River, Williams Fork and Blue River diversion systems for operation both <br />with and without the Green Mountain exchange. These demands assumed construction of Two <br />Forks Reservoir with a storage capacity of 1.1 million af. Demands for the proposed Rock Creek <br />Reservoir, Indian Creek Reservoir, reformulated West Divide Project and Red Cliff Project were <br />furnished by the CRWCD. <br /> <br />Existino-Level Use <br /> <br /> <br />The Existing-Level Use Scenario consists of operation of the Colorado River basin under its <br /> <br /> <br />1983 level of development with several exceptions. The exceptions, which consisted of expanded <br /> <br /> <br />demands in all cases, fall into two general categories of use: 1) increased diversions by existing <br /> <br />systems w.t1ich are not presently operating at their full capacity; and 2) diversions by project features <br /> <br /> <br />or proposed facilities which are not yet constructed. These diversions are: <br /> <br />3-5 <br />