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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />1'2.56 <br /> <br />of 1985. <br />provided. <br /> <br />A detailed discussion of the power costs was previously <br /> <br />D.3.6 Other Costs Not Included <br />Other known costs which could be considered are costs for access <br />roads to the pump stations, right-of-way costs where pipelines or <br />pump stations may be on non-Indian land, and costs to provide <br /> <br />electric power service to the pump station. These costs are either <br /> <br /> <br />minor and/or difficult to estimate with available information. <br /> <br /> <br />Therefore, for these preliminary analyses, they have not been <br /> <br /> <br />considered at this time. <br /> <br />The cost of power line extensions to serve pumping facilities could <br /> <br /> <br />be quite high, especially if three phase power is required. Three <br /> <br /> <br />phase power will be required for pump stations over 25 horsepower. <br /> <br />D.4 PRELIMINARY PRACTICABLE IRRIGABLE ACREAGE <br /> <br /> <br />D.4.1 Existing Irrigated Lands <br /> <br /> <br />Lands currently irrigated are assumed to be PIA requiring no further <br /> <br /> <br />evaluation. No currently irrigated acreage was found in the Piedra <br /> <br /> <br />watershed. <br /> <br />D.4.2 Water Supply <br /> <br /> <br />An examination of the hydrology data for the Piedra River shows that <br /> <br /> <br />there is sufficient virgin flow during the summer irrigation periods <br /> <br /> <br />to serve the potential arable lands directly from the river. <br /> <br />8 <br />