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<br />o <br />,-( <br />\.:.':1 <br />N <br />o <br />o <br /> <br />. <br /> <br />i <br /> <br />SAN LUIS VALLEY PROJECT <br />CONEJOS DIVISION <br />?LATORO DAB AND RESERVOIR <br /> <br />Analysis to deternine value of inst~eam flows belc~ ?latoro Dam. <br />Based on 5 cfs. for seven months, October t~rough April. <br /> <br />I. Value b~:c::ed .o..'1---I.r-riguti'on- '~';dter. ;;;upply: <br /> <br />A"'<;JJme 5. cfEF-. bypass or release for 210 days is approxi- <br />mately equal to 2100 AF. <br /> <br />10*/AF x 2100 AF = $21,000 <br /> <br />Present wort~ factor for: 8.875% interest <br />40 periods <br /> <br />=)10.892 <br /> <br />Assume a frequency of 5 years in 10 or 50% <br /> <br />.5 x 21,000 = $10,500 per year <br /> <br />PW = 10,500 x 10.892 = $114,366 <br /> <br />. <br /> <br />* This set of calculations as per conversation with Bob <br />Hani1 ton of the Bureau of Reclamation Denvel:' off ice, in <br />which a $17/acre-foot value is based on data from the Rio <br />Grande District. It is estimated that a $10/acre-foot value <br />is more appropriate for the Conejos District. <br /> <br />II. Value ba~ed on Percentage of Sale Price and O&~ Cost: <br /> <br />ASSU1"" 210u AF/year with average storage <br /> <br />Yield = 20,000 AF/year <br /> <br />Then 2100/20,000 - 10.5% <br /> <br />10.5% of 500,000 = 52,500 <br /> <br />O&M Cost $35,000/year x 10.5% x 10.892 present worth <br />factor = $40,028 <br /> <br />TOTAL = $92,528 <br /> <br />III. Value based on Fishing man days: <br /> <br />Tr.is would be very subjective due to the put/take rainbO:'1 <br />trout summer fishery immediately below the dam and the <br />excellent brown trout fishery further downstream. <br /> <br />1'7 COllCLUSIO:.!: \'lithin the range of estimates fron the first <br />two approaches, the value of 5 cfs. mi.nimun.._stream flow~ is <br />aDnrl""'lvil"!"::>~"""" t"-.......... --u-. ---... - -... <br />..t ---~-~.........,-....:t ';>...I.VU,UU . <br />