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<br />" '\,.. <br /> <br />Inatitutional Issues <br /> <br />Project of Other ~ater Providers. Institutional issues of the <br /> <br /> <br />projects of other water providers vary from project to project. <br /> <br />General issues include water right proceedings and acquisition of <br /> <br /> <br />necessary permits. Boundary modifications would be required in order <br /> <br />to legally use Windy Gap water in the Denver metropolitan area. The <br /> <br /> <br />U.S. Forest Service. (USFS) and U.S. Corps of Engineers (COE) have <br /> <br />issued permits for the Homestake II project. <br /> <br />Joint System Operation. Institutional issues would involve water <br /> <br />rights and developing a cooperative operational agreement between <br /> <br />Denver and Aurora. <br /> <br />GROSS RESERVOIR ENLARGEMENT <br /> <br />Gross Reservoir is located on South Boulder Creek near Wondervu, <br />and provides storage for the DI/D's northern delivery system. \later <br />diverted from the Williams Fork $nd Fraser River collection systems is <br />stored in the reservoir, which also collects snowmelt runoff from the <br />South Boulder Creek drainage. <br /> <br />The reservoir at present has a maximum storage capacity of 41,000 <br /> <br />acre-feet and a surface area of 400 acres. The enlarged dam would <br /> <br />increase the storage capacity to 113,000 acre-feet and the surface area <br /> <br />to 800 acres. <br /> <br />New Safe Yield <br /> <br />The Gross Reservoir enlargement would add up to 21,000 acre-feet <br /> <br />of safe annual yield to the DWD system. The addition of other West <br /> <br />Slope di versions would increase the safe annual yield to about 22,000 <br /> <br />scre-feet per year. If a new East Slope storage reservoir would be <br /> <br /> <br />constructed before the Gross Reservoir enlargement, the safe yield <br /> <br />would decrease. The safe yield provided by the enlargement following <br /> <br />39 <br />