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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 />Reservoir Storage Based on U nused Water <br /> <br />Based on the unused monthly water amounts between the years of,1970 and 2001, average <br />annual water yields at Leroux Creek were determined for reservoirs having different storage <br />capacities. The average annual yield represents the average amount of water available for <br />irrigation over the course of years analyzed as a result of a reservoir. The average annual yield is <br />less than the average annual unused water available, for most reservoir capacities because it is <br />not possible to store unused water after the reservoir is full. As shown in Table 13, the average <br />yield of the various storage capacities is between 7,200 and 11,500 acre-feet between the years <br />of 1970 and 2001. <br /> <br />Table 13 <br />Average Annual Yield <br /> <br />Storage Capacity Annual Water Yield <br />(ac-ft) (ac-ft) <br />10,000 7,157 <br />11 ,000 7,501 <br />12,000 7,845 <br />13 ,000 8,188 <br />14,000 8,532 <br />15,000 8,876 <br />16,000 9,219 <br />17 ,000 9,531 <br />18,000 9,844 <br />19,000 10,145 <br />20,000 10,417 <br />21,000 10,667 <br />22,000 10,917 <br />23,000 11,140 <br />24,000 11,341 <br />25,000 11,529 <br /> <br />~,..~ <br /> <br />-24- <br />