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<br />~. <br /> <br />The satellite well field operated as an integrated supply in the Denver <br />system could produce a safe snnual yield of up to 28,000 acre-feet as <br />modeled. <br /> <br />Cost of Project <br />The capital construction cost of the project, including interast <br />during construction, is estimated to be $167 million. The capital cost <br />per scre-foot of safe yield would be $5,900. The annualized capital <br />cost (using 50 years at 8 percent interest) would be $14 million. With <br />$6 million included for annual operation maintenance costs, the annual- <br />ized cost per acre-foot of safe yield would be $700. <br /> <br />Significant Impacta <br />The impact analysis of the satelli te well field is based on a <br />hypothetical project. The actual impacts of a satellite well field <br />would depend on the location, size, and operation of a specific well <br />field. Operational impact would occur. to surrounding wells as the <br />water level is drawn down. Wells which were set near the surface of <br />the potentiometric surface would gradually lose their ability to <br />produce as the ground water was withdrawn by the well field. These <br />wells would either be reestablished to a lower level, abandoned, and/or <br />redrilled. All of the sctions would result in increased costs to the <br />individual well owner. The significant impacts portrayed in this <br />analysis are based on the assumption and description of a hypothetical <br />well field located southwest of Denver. Based on that location, the <br />only potentially significant impact would be related to threatened and <br />endangered species. <br /> <br />Threatened and Endangered Species. Potentially significant <br /> <br /> <br />impacts to prairie Sharp-tailed grouse could occur as s result of <br /> <br />construction of the well field. Avoidance of areas occupied by the <br /> <br />grouse would be the preferred method of mitigation. The well field and <br /> <br />35 <br />