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<br />RUEDI DAM AND RESERVOIR, COLO.
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<br />Of this amount, 9{.7 percellt" or 70,200 acre-feet, would be diwrted
<br />from t,he. Fryingpnn River cirninnge above Ruedi. De~illcting ~h8'
<br />de.pletiun from the llllllepleted streamflows at the Rued, Dam site,
<br />lea\'(,:s a depleted resen'oir inflow at. Rnedi a.,'eraging- 12!),700 acre-feet.
<br />annually and ranging from l):)~~OO acre-feet in a dry year like IDa-:l:
<br />to 2M/IOU acre-feet in a wet. year like 19.57.
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<br />illuniclpal a.nd indu_gti'itzl water l'efj./til'e-nwnts
<br />The filin of Cameron & .Tones, Inc., consulting engineers~ of Den-
<br />ye.I' has nUHle. \1n investigation and re.port. on "'Vate.r Requirements
<br />for Oil Shale, 1960-7.5" for the State of Colorado which is repro-
<br />duced in full as appendix D of this report. The report. disclo,",s
<br />t.hat di,"ersion requirement.s for municipal and indust.rial pUl'pOSc,s in
<br />westel1l Colorado and Utah a.re expeded to be 252,000 a.ere-feet an-
<br />llUally uy 1975. Of this total, 159,000 acre-feet of water would ue
<br />conslImed and D:1,uOO acre-feet would return to the strea.ms.
<br />It, is est.imated, further, that 80 percent of the tuta.l municipal
<br />and indust,'ial ''later diversion requirements would OCCllr in all area..
<br />a.long l.he Colorado TIi\'eI' hehveon Rifle a.nd De Beqllc! Colo. The
<br />197[, eonsumpti,"e-lb8 requirement ill t.his area would be 80 percent,
<br />of 15!l,000 acre-feet., or 1Q7,200 acre-feet, which conld be supple-
<br />mented 01' part!v fulfilled bv stornge relenses from Rnedi TIesel'\'oir.
<br />A portion of the requi,'emetlt could-be met h~y surplus flows at points
<br />of use in the Colorado HiYer.
<br />To as~el't.aill I he portion of the tol"n..l requireme.nts to be deriyed in
<br />1975 from flows ill the Colorado Rive,', a. (laily operation study for
<br />the crit.i('ul ye.<ll' 1!)i.l-1 was made for t.he ent.ire Colorado Riyer system
<br />nbO\"l3 Cnmeo assuming fut.ure depIcted conditions. This <lna.lysis in-
<br />dicated that the consnmptiye-use re'l"ireme"t of lQ7,200 acre-feet (175
<br />c.f.s.) could be met by 88,QOO acre.feet of Colorado lli,'er flows 'Wei
<br />39,000 acre-feet released from Ruedi Rrsen"oir,
<br />The ""ateI' yielrl of TInec1i Reservoir will be greater than the re-
<br />quired :10,000 nCl'e-feet. of n.Jeases in 1D7::;, It was necessary, there-
<br />fore, to project. the 1075 requirements by Ca.mcron &. .Jones into
<br />the fnt.nre to deterllline npproxilllately when t.he full yield of the
<br />reservoir would IJ8 required. Thecurrentwltional population growth
<br />trend of about 15 percent per decade was appliecl to the 1975 require-
<br />monts. Comme.rcial oil shale dc\"elopmenL with nceomp:'J.11}'iug urban-
<br />ization might expand at a much fastee ra.te.
<br />In any ca~e, the projected estimates show that a.bout r.o ye.nrs
<br />after t.he scheduled construet.ion of Rnedi Dam a.ud ReselToir, or by
<br />the year 2014, the conSHlUpt.i"e use requirement in the Rifle-De Beque
<br />area would reach 300 c.f.s., or Q17,200 acre-feet.. After use of ""ail-
<br />nble r\\'erflows in a. crit.ica.l ye.a.r like 1034, 70,000 n,cre-feet. of the. re.-
<br />quirement in year 2014 would need t.o be fUl11ished feom Ruedi
<br />Hese.JToir. This is a maximum yield of the resen"oir in a.. year such
<br />as 11134:, Exhibit. 4: graphically shows the est.imated reqllircme-nts for
<br />municipal and industrial water.
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