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<br />8 <br /> <br />There has been informal discussion of joint financing of a major dam and <br />reservoir - probably in the 200,000- to 300,OOO-acrE>-feet range - by the <br />Colorado River Water Conservation District, the Denver Board of Water <br />Commissioners and possibly other Eastern Slope water supply entities. <br /> <br />While the possibility of locating a major reservoir high enough to allow <br />water to go into Dillon Reservoir and then the Roberts Tunnel has been dis- <br />cussed, and still is an open option, two other proposals seem more <br />politically feasible: <br /> <br />" The Una Reservoir, with a damsite four miles east of DeBeque on the <br />Colorado River. It would provide municipal, industrial and irrigation <br />water to the Grand Valley and nearby communities. But it also could serve <br />as a storage reservoir for the Denver Board of Water Commissioners in a <br />scenario in which: (1) water from the Eagles Nest Wilderness Area would <br />flow by gravity into Dillon Reservoir; (2) Denver's needs for more avail- <br />able reservoir storage would be met by construction of Two Forks; and <br />(3) Una would be used as a compensating reservoir to avoid drawdown of <br />Dillon Reservoir and Green Mountain Reservoir by Western Slope downstream <br />calls. In other words, Una would permit better management of Dillon <br />Reservoir and increase potential diversions through the Roberts Tunnel <br />- providing Two Forks or an alternative also is built. <br /> <br />. Edwards Reservoir, with a damsite located two miles west of the town <br />of Edwards on the Eagle River. This, too, could serve as a compensating <br />reservoir, although it involves a tributary to the Colorado River. A <br />joint venture on Edwards also might, include the town of Vail and other <br />Eagle County communities. <br /> <br />Several other potential damsites have been studied and should be consid- <br />ered. <br /> <br />Action Agenda Recommendation: Encourage a frank discussion of all parties <br />which are or might be interested in large joint venture dams and reservoirs. <br />Consider financing Denver's share through the aforementioned suburban raw <br />water supply entity. <br />