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number of acres of non-irrigated native grasses. The lower <br /> ' half of Table 3 illustrates the relative distribution of land <br /> use within the parcel which will be required such that the historic <br /> ' depletion of the total water supply not be exceeded under the <br /> projected conditions. <br /> During the non-irrigating season ' (November through April) , <br /> f' total evaporation from the surface of the pond will be approxi- <br /> mately 5.30 inches . At the same time precipitation incident upon <br /> the water surface will normally be 3.60 inches. The deficit of <br /> 1.70 inches represents a total water loss of approximately 2 .0 <br /> acre feet over the 14-acre pond surface, or approximately 211 <br /> gallons per minute when averaged over the six month period. <br /> L� Consequently, wintertime evaporation losses from the pond surface <br /> may be neglected since their . impact on the flow regime of the <br /> Cache la Poudre River would be immeasurably small . <br /> Replacement of summertime depletions will be considerably <br /> simpler as a result of the availability of irrigation water <br /> f which has historically been delivered to the site. Bestway <br /> Paving Company has been obligated to retain the water rights <br /> Ldescribed earlier in this report as a result of possible . <br /> annexation to the City of Greeley for residential development. <br /> Although such development is not considered feasible by the <br /> Weld County Planning Department at the present time, the water <br /> rights will necessarily be retained by the company in order to <br /> accomodate this future possibility. In. the meantime, the water <br /> ' rights will be particularly valuable for continued irrigation <br /> fJ of whatever acreage of corn is practical under given mining <br /> =configurations ,- as -well--as- for replacement of evaporation <br /> losses from the pond. <br /> As a result, it is presently contemplated that at such time - <br /> as the pond is actually constructed, the irrigation water delivered <br /> to the site will be used both for the irrigation of whatever <br /> area of corn is allowed, and the remainder introduced directly <br /> into the pond in order to compensate for irrigation-season <br /> LI _15- <br />