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<br />immediate vicinity of the pit. However, as the <br />degree of irrigation vithin the permit area vill <br />decrsase as mining progresses, especially near the <br />pit, this approximation should have little <br />Consequence. <br />e. Of the estimated 43.8 acre-feet pumped from _the <br />pit, 18 acre-feet (43..a x 5 mos/12 mos) pumped during <br />the winter non-irrigation season (November to Harch) ~ . <br />. does not affect irrigation Tights. Therefore a <br />supply of 43.9-18.0 or 25.8 acre-feet ~is needed to <br />augment watei rights impacted by mining. ~ . <br />d. Zt was conservatively assumed that the entire 25.8 <br />• _ acre-feet comes from the designated impacted water <br />rights. <br />e. In order to effectively augment ,the-potentially <br />impacted rights, an administration loss factor of 0.5 <br />is used. Therefore 2 x 25.8, or 51.6, acre-feet will <br />be used for angmentation. <br />The total conservatively estimated mining-phase water <br />requirement is therefore 100.9 acre-feet. Of this, 69.3 <br />acre-Peet will be consumptively used. The remainder (51.6) <br />is non-consumptive. <br />17 <br />GEO''iRAl15, IpC. <br />• <br />REVISED MARCH 2006 Attachment 2.05.3(3}16-62 <br />