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<br />30
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<br />3721
<br />RUE!}! MM AND ,RESERYOIR, COLO.,
<br />
<br />Of this amcJunt. 94.7 percent, or 70,200 acre-feet, would be di,:er!erl
<br />from the. FrYin~rlmn Hi\'cr drninarre above Ruedi. DeductIng the
<br />deplet.ion fl'om t le undeplefed str~alllflows at the Ruedi Dam site,
<br />leayes a dep1cte<l resel'roir inflow tLt. Rnedi as~ragiHg 1'2~,70{) :~ere-f~et.
<br />lWllUa1Jy and !'~UJgjng from H3l20U acre-feet in a dry year IIke- In:3..J:
<br />to 234,DOO acre-feet in tt \\"et year like IV57.
<br />
<br />M un-iciprtf an(! indudl'i{l{ wa.ter 1'equh'l3nunts
<br />The finD of Call113l'Un & .Tones, Ine., COllslllting engineer'!3, of Den-
<br />Yer JutS made an invest.iga.tion and }"eport Oil ''''Yater Requirements
<br />for Oil Shale, 1960-75" for the Shte of Colorado which is repro-
<br />duced in full us "'ppendix D of t,his report. The report discIooes
<br />that diYer~joJl requirC>Illents for mUllicipn.l ana indllstrial purposes in
<br />western Colorado and Utah a.re expected to be 25~,OOO aere-feet. un-
<br />nurdly by 1975. Of t.his tobtl, 159,000 .ere.-feet. of w",ter would be
<br />consumed mul n:\UOO acre-foot would return to the streams.
<br />It is estimated, fur"t,her, t.hat 80 pe.rcent of the total municipal
<br />and industl'ial \'\:1ter lli\'ersion requirenwnts would occur in an aJ:e~'\.
<br />along the ColoJ'ado Ri"er het\TfoOn Rifle and De H€'qlle, Colo. The
<br />1075 consl1mptiye-llSe reqnirement in t.his are:t woulll be 80 percent
<br />of 15!)lUOO acre-feet-, or 127,200 a~l'e-Ieet, which could be stIpple.
<br />nlented or partly flllJill{~d by storage l'elpltses from Rl1edi Re~<.;el'\.oil'.
<br />A port,ion of t1H~ requirement couhfbe met hy surplus Haws at points
<br />of \I,., in the Colorado Ri vel'.
<br />1'0 ascertain the port.ion of the fota,J I't~qllil-emeJlts to be deri\"(~d ill
<br />197G from flows in the Colorado Ri \'(.',1', a daily operation study for
<br />the critical year 1!J:34 was In:Lde for the C'-l1til'l~ Colol'ado Ui,'el' system
<br />:Ihll\"t'l Canlt:o assuming fnt,ure (h~pleted condit.ion.... '['his ana.lysis in-
<br />dicated that the eonsUJuptiye-llSe reqllirement of 127,~t}O acre-feet (lir-
<br />e.f.::;.) l'onld be met by 88.1200 a.c.re.-fee.t. ()f Colorado River flows and
<br />39,000 ul.:l'e-feet re.leasctl from Rlledi Resen'oir.
<br />Tlw. watfol' yield of Ruedi Reservoir will he greater than the re-
<br />quired :}!),OflO ilC'-l'e-feet. of re.1cilses in 1075. It was necessary) there-
<br />foI'e, to project the 1075 re'luireme,nt.s by Cameron & Jones into
<br />the future to deterlllinf) approximately when the full yield of the
<br />reselToiI' "-Oil hI be l'f>(llliI'ed, The Cllrrent llati?nal Po\)ulation gl'o~.th
<br />trend of ahout 1& percent per decade was apphed to t 1e 1975 reqUIre-
<br />ments. Commel'ci,d oil shale tleyeJopment. wit.h accompanying urban-
<br />iza.tion might. expand at. a. much faster rate.
<br />In any ease, the projected est.irn;lte~ show tha.t nbout 50 years
<br />after the scheduled COI1st.nlction of Ruedi Dam and Hesc.n.oir, or by
<br />thE! year :1014, the C011::>t1l1lpti \'e use requirement in the Rifle-De Beque
<br />are", woul,l read, 300 c.f.s., 01' 217,2UO nere-feet. Afte.r USf) of a,,,il-
<br />able ri\-edfows in a critica.l yen-I' like 10;34, 70,000 llcre~feet of the re.-
<br />qUIrement. in year 2014 would neerl to be fU111islH'd. from Ruedi
<br />Reseryoir. This is a ma.ximmn yiel{l of the reselToir in a. year' such
<br />as lU;H. Exhibit. 4: gl'l1.phically shows the e::;t.imute-d requirements for
<br />lnunicip~\l :1n(l in(lustria.l wa.tel',
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