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3700 RUEDI DAM AND RESERVOIR, COLO. 11 proposes t.he following tentative aIlocl.1.tioll of costs assignable to west- ern slope lIse~: Reimbursnble: l\.lnnicipnl aud ilJdustrinl wuter ________ ____________ $3,300,700 NnllreiwiJurMble: Flood c~ontl"ol_____________ ______ u_____ __ _____ --____________ "'"'ish [) lid wihllif~_________ _______ ____________ ___ ____________ Reerell ti 011__ _ _ _ _ _ _ _ _ __ ~ __ _ ____ __ _ _ __ ___ _ _ __ __ _ _ _ _ __ _ -____ ___ 117,!)O() 1.7;.7,800 55.000 -, 'rotnL________n____________ ___________________________ u 1,000,300 Opemt.ion of Ruedi Reservoir, together with facilities for forecast- ing snowmelt l'ulloff, I'IlIl afford virtually complete <..'ontl'ol of snow- Ilwn Hoods in the Fryillgpan River "",atershed. Annunl flood control henefits, baseoupon dabl supplied bv the Corps of Engineers, would be about $11,000. . .A.It,hough the l't'iteh of Fl'yincrP:lll Hi,'er which would be inunuated by the reset"voir now su))ports u~ important. t.I'OIlt. fishery, the ne.t.etf'rct of project oper.ltion will lie bt'ndieial to fish. The stabilized releases from the dam will impro\"e tish hllbitat downstream, ann the reservoir will }H'o\"irlegre_ntel.' nshing opport.unitil'5 th,tn t.he reach of thl~ natural stream involved. The }1"'islt <llld \\"-ildlife SelTi~e est.imates an annual project benelit of :H 72,OnO dut' t.o enhl\!H..'ement. of the fishery. Con~idel'(\ble \lse will be Illude of IhleJi Reseryoir fni' n~crellt.ion purposes. Pnwisi'.lll of minimum basic ret'l'eatioHlll facilities llnd of f.lcilities to protect the health and sllfety of the yisitiIlg publie has been estimated hy the- Nat.iollal Park Ser\'i~e at abollt $fJ:\OOIl. This specific cost. ha~ been allo(,l\tt'll to re(:rentioll. Opportunities wiII exist for TIll.thet. de,-elopmellt of the recreation pote-ntial of Ruedi Rl'ser- voir unnel' t.he auministrntion of the For(~st Service. The nml1wl recreation be"ents ho,," been estimated ot :;;80,000 by the N "tionlLl Park ServiLe. The ncti\'e capacit.y of Ruedi Re~el"\'oir, in excess of the }-"'l"yingpnn- Arkansas project replacement requirements if operated jointly for flood ~ont.rol ann eonservlltion pUf'Poses, could supply 70,000 ael"e- feet of usable water in <l eritical year slH.'1I as If);1--l. There are poten- t.ia-lities .101' futnre use of ~lIch ~on~er\'lltion cllpacity for irrigation, but it is expected that the development. HIlll growth of the oil shale industry will create a prior market for this W:lter. The value of Huedi Reservoir water for municipal llnd ilHlllstrial llse Was bn~ed upon t.hl' cost of the cheapest aIternl1t.i\"e single-pul'pose project and resulted in annua] equivalent eos!s of :j;4,15,000 and $32:1,000 on 50- and IOO-year periods of analysis, respecti\"ely. Considering ollly the portion of the cost of Ruedl Dam and Res- en'oir assignable to weste1'n slope I'e~ul<ltor'y storage. sinee t.he portion assignable to the Fryingpllll-A1"knllS~ls project has been found finf1n~ j~ial1)' feasible :111(1 economically just.it-ied ill the 111l,llyses of HUlt project, ratios of ,lIl11llal be-lIents to :lllllllal costs for that part. of the den~l(Jp- ment arecalt'_ulaterl thm;: I ~ ,'j(I'\"I"'lT IInilrsls HlO-~'ea.r nMI).si.'l .-\nnue.\ hp..netlts. _ _._u__________n u__n_.__,_____________n ___________ ~i$,.'.(IO_ ______ S-'i86.50U Annt1ill('Ust!.l_____________________.~_________________ ___n______________ $208.0(J(L______1 $]&1,300: Ratio or hendlh to COSts _____________ .."__u__p_______________________ 3.20 to 1_______ 3_57 to I.