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<br />3988
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<br />RUEDI DAM .AND RESERVOIR, COLO.
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<br />.alternative site. A tot"l c:tpacit.y of 85,000 acre-feet would be re-
<br />.quired at the Ph1cita site to provide a. municipal an~ industrial \\'ate~'
<br />supply equivalent to the supply that would be av,ulable from Rue,h
<br />Reservoir.
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<br />Vallle of municipal and indu8trial water
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<br />The cost of the chen pest sincrle purpose alternuti \'e storage rf'sel'-
<br />voir has been taken as the value oaf Huedi Hesen"oir for 1ll11IliCipal and
<br />jndustl'inJ water. The construction cost of an 8:\000 acre-foot resel'-
<br />,'oir at t.he Placita site is estimated at $11,100,000. Ubing 3% years
<br />as the period for constrllction and all interest rate of 2.5 pel'c~nt, in-
<br />terest. during construction is estimated at about. $485,000, lllalnng the
<br />tot.al initial iIlYestment in the single-purpose nlte.rnuti,-e $11,585/)00.
<br />Annual opemtion, maintenance and replacement costs for Placita
<br />ReselToir a,re estimated a,t, $7,UOO.
<br />Based on an interest rate of 2.5 percent, annual equi ntlent costs of
<br />Placita. Reservoir are shmvn in the following tabulation for 50- and
<br />lOO-year periods of analysis which constitutes a measure of t.he hpnefits
<br />attribut.able to Huedi Reseryoir for municipal and industrial water
<br />tlssocinted witll oil shale development.
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<br /> 50 ~;en.rs 100yurs
<br />Amorlizerl lnltlalinveslmenl..__._______________________________________ $408,000 $31n,000
<br />Annual ollerll.tlQn anti matntcnnnrc._______________________________ ---"- 7,000 7.000
<br />Aunlla!cljllh'o.!{'ut CIJ5t..__________________________________________ 415,000 3'23,000
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<br />.ASSOCIATED FUNCTIO:-JS
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<br />Flood control
<br />The, water supply for Ruedi Rese.rvoir is de, rived essentially from
<br />snowmelt during the late spring and early summer mont.hs. Annual
<br />storage of this l'UllOft' will ve complelllC'ntary to the objectin>, of flood
<br />control in rin'r reaches downstream from Ruedi Dam. As n. P:Il't
<br />of the l'eCOllllHissallt'e for t.his report the Corps of Engineers Dist.rict
<br />in Los .Angeles, Calif., reviewed t.he t1nod control aspects of Rlledi
<br />Dn.Il1 and Reservoir. Appel1~lix A of t.llis report contains the Corps
<br />.a ppraisal of this subject.
<br />~In.jor sno'" III e It, Hows in the Frying-pan River and in t.he drainage
<br />area of the Colorado Ri,'er abm'e Grand Valley indieate that the
<br />peak tlischnrge at t.he. Hue.di Dnm site might. be sa percent. of a COll-
<br />temporary peak on t.he Fryingpun Hi,'er at. it.s mouth; ahout 48
<br />percent of the corresponding peak in t,lle Roarin,g- Fork R.iver at
<br />&. Glenwood Springs; alld some 15 to 18 p~l'CeIlt of the corresponding
<br />",~ peak on the Colorad.o Ri,'er betw[een G-lenwocxl Springs and the
<br />, - confluence wit,h the Gunnison River at Grand ,JunctIOn, Colo. Full
<br />control of snowmelt disellflrge.s itRllerli Reseryoir wmild eliminate
<br />~\ll potcntil" ood .damages on the Fryingpan River below tlw dam
<br />,11~d would, "1~e s.ubstnntially the .flood damage on .t.he Roaring FOI:k
<br />RIveI' belo .~ . le mouth of the Fl'ymg-pan. He(PudlOll of dnm<lgps 1Il
<br />t.he Colorado Rive.r, however, would ue relati\"ely ~IllHIl.
<br />The ,-alue of rt-ll property in t.he overflow areas bet,ween ;Rn('.c}i
<br />Dam and Gr,\lld tJunction on the Colorado River is belie,'ed to ue
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