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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 />134-1 <br /> <br />TASK D & E REPORT <br />SAN JUAN EAST WATERSHED <br /> <br />D. 1 GENERAL <br /> <br />The purpose of this task report is to present the methodology for <br /> <br /> <br />determining practicably irrigable acreage (PIA) for the San Juan <br /> <br /> <br />East Watershed on the Ute Hountain Ute Reservation. The test for PIA <br /> <br /> <br />requires that the revenues exceed the cost. The land under <br /> <br /> <br />consideration when cropped and irrigated must return sufficient net <br /> <br /> <br />positive income to pay for the costs of providing irrigation water to <br /> <br /> <br />the farm headgate. In order to determine PIA it is necessary to <br /> <br /> <br />conceptually design an irrigation transmission system to deliver <br /> <br /> <br />water to the farm headgate for each arable parcel. The annualized <br /> <br /> <br />cost of the off-farm irrigation water transmission system is <br /> <br /> <br />compared to the net positive income (payment capacity) of the parcel. <br /> <br />Arable lands were identified by Stoneman and Landers. Potential <br /> <br /> <br />crops, irrigation water requirements, on-farm irrigation systems <br /> <br /> <br />cost, and other related agronomic information were prepared by Boyle <br /> <br /> <br />and presented in Task A and B reports. Economic methodology and net <br /> <br /> <br />agricultural returns were prepared by Western Research Corporation. <br /> <br />This preliminary PIA analysis compares the preliminary net <br /> <br /> <br />agricultural return with the cost of water delivery from the primary <br /> <br /> <br />water source to the parcel headgate. For this preliminary analysis, <br /> <br /> <br />the highest net agricultural return for each climatic zone is used. <br /> <br />I <br />