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<br />. <br />/. <br /> <br />j <br /> <br />. <br /> <br />.. <br /> <br />. <br /> <br />OC1212 <br /> <br />irrigation use as needed for crop producti.on. The effective irrigation <br />water supply would be improved from an average existing supply of 63 per- <br />cent to an 84 percent average supply. In the latter case, an adequate <br />water supply would be available in most years. In the 25-1ear period of <br /> <br />study shortages would be greatly reduced in 11 years and would be entirely <br /> <br />eliminated'in 14 years. In contrast, serious irrigation shortages will <br /> <br />occur annually under existing conditions. <br /> <br />32. Operation of the Tl'inidad Reservoir for flood control and for <br />i, <br /> <br />irrigation in accordance with~onditions a, band c would not signifi- <br /> <br />cantly deplete the water supply presently available for water users down- <br /> <br />stream from the project area and consequently would not interfere with <br /> <br />the utilization of the conservation capacity of John Martin Reservoir. <br /> <br />Dampening of the peak flood flows through temporary detention in the <br />reservoir would provide opportunity for some additional water use by the <br /> <br />irrigators. However, occurrence of these opportunities at times when <br /> <br />irrigation requirements are at a minimum would discourage their exploita- <br /> <br />tion. Proper water administration would protect water users below the dam <br /> <br />from any adverse effects resulting from flood control operations. An anal- <br />ysis Of available records and incomplete information pertaining to channel <br />conditions on the Purgaroire River below the project area indicate that <br />