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<br />~~~ <br /> <br />') <br /> <br />~ <br />,,) <br />w <br />~ <br /> <br /> <br /> <br />these possibilities has been shown to be economical and is much more <br />environmentally acceptable than construction of major new reservoirs. Since <br />the unit costs associated with these three projects are practically equal and <br />since the Taylor Park Project has a decided environmental advantage, it was <br />selected as the transmountain diversion project to be used further assessing <br />the financial attractiveness of out-of-basin water exports. <br /> <br />Preliminary cost estimates prepared for the Taylor Park Project result in <br />a unit investment cost of $7207 per af for the basic scheme of diverting from <br />existing Taylor Park Reservoir assuming a mid-level yield of 42,000 af. The <br />value of new water suppl ies to front range communities is reported to be in <br />the range of $3000 to $9000 per af. Thus, it appears that the basic scheme <br />may have potential to enhance the financial feasibil ity of in-basin <br />development plans. If the Taylor Park Project is configured to increase the <br />yi e 1 d as di scussed above, the unit cost reduces and the fi nanci a I <br />attractiveness of the project is improved. <br /> <br />ENVIRONMENTAL CONSIDERATIONS <br /> <br />An appraisal-level evaluation of potential environmental impacts <br />associated with the alternative plans and potential financing mechanisms was <br />carried out. The following paragraphs summarize the most Significant impacts <br />identified. <br /> <br />Alternative No. I is a non-structural plan and is considered an <br />environmental enhancement. The primary concern which must be addressed <br />in future phases is the impact associated with increased human use. <br /> <br />Alternat i ve No. 2 cons i sts of construct i ng three water storage <br />reservoirs; one each in the Upper Ohio Creek, Upper Tomichi and Upper <br />Cochetopa Creek sub-basins. All of these reservoirs have potential <br />impacts to bi g game range. The most seri ous potent i a 1 impact is at the <br />Upper Tomichi site where the availability of winter range limits deer and <br />elk populations. Both Tomichi Creek and Cochetopa Creek are good <br />fisheries at present and short reaches of these streams will be affected. <br /> <br />;;' <br /> <br />S-8 <br />