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<br />NO.4 <br /> <br />YAMPA VALLEY PROJECT <br /> <br />1. Location and water source: Upper Yampa Valley, (Moffat and <br />Routt Counties). Yampa River and <br />tributaries (Williams Fork, Fish <br />Creek) . <br /> <br />2. Estimated cost: <br />Hayden Mesa Unit <br />Toponas Unit <br />Wessels Unit <br /> <br />Total cost <br />Cost allocated to <br />irrigation <br /> <br />:;; 13,000,000 <br /> 9,000,000 <br /> 2,750,000 <br />$ 24,750,000 <br /> 20,000,000 <br /> <br />3. Irrigated acreage: <br />Hayden Mesa <br />Toponas <br />Wessels <br /> <br />Total acreage <br /> <br />22,940 <br />21,545 <br />6,750 <br />51,235 <br /> <br />4. Average cost per acre: <br /> <br />$390 <br /> <br />5. Average annual additional stream depletion: <br />Hayden Mesa <br />Toponas <br />Wessels <br /> <br />Total stream depletion <br /> <br />32,200 a.f. <br />23,900 a.f. <br />7,370 a.f. <br />63,470 a.f. <br /> <br />6. Average annual additional stream depletion <br />per acre of irrigated land: <br /> <br />1.24 a.f. <br /> <br />7. Benefit-cost ratio: <br />Hayden Mesa <br />Toponas <br />Wessels <br /> <br />1 to 1 <br />1 to 1 <br />1. 2 to 1 <br /> <br />Average benefit-cost <br />ratio 1.07 to 1 <br /> <br />The foregoing data is based on the physical plan <br />velopment contained in the reconnaissance report of 1957. <br />is therefore relatively current except that the methods of <br />benefit-cost ratios and nonreimbursable items have changed <br /> <br />of de- <br />The report <br />computing <br />since <br />