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<br />000139 <br /> <br />17 <br /> <br />The existing chnnnpl of Sagllf\che Creek would be modified along a <br />5-rnil~ stretch cnst. of Colorado State Hig-hway 17. The channel <br />capacity would be 11boIJt 40 second-feet. <br />A lJIll.in conn'ynlU'l' rhnnnt..J, about 39 miles long, would be. con- <br />struct-Nl lli'ginning wheft. Sn.gllRche Creck cross('s Co)oftldo Stllte <br />Highwa.y 17, thence sOllthci\st. lllong the west side of Sun Luis <br />Lllkl' ltnd sonth of tit(> confhIl'IH'(> of the Hio Grnnde with La .Jarn. <br />Crp('k. A cOnlH'ctillg ehn.nnel. about OIw-hnlf mile long, wit.h ll. Cllllilcit.r <br />of 158 s('('und-fc('t, would Iw l'ollstructpd between SitU Luis Lake and <br />tlw 1Il11in COIl\'l'Yll.fH'C chullIwl. Olltlt~ts would be provided at the <br />lower ('lH! of the nll\in Chlllllll~1 to pro\.ide wat-Pf for the Alamosn <br />X atiollHl \rildlife Refugl'. <br />III th/~ HrelL sOllth of Slln Luis Lnkt', it is plnlllwd to sah"age only <br />tlH' lwttt'r qlltllity water moving toward the sump from the ca.'il side. <br />Thl' sal \'llgl'd water would be collected in u dlllllnl'i f'1t...,t of the main <br />{'on"Pyu'I<'1' ehnnnel ('xtf'llding in ll. southf'r1y direction from a. point <br />noollt 3.5 miles southeast of Sail Luis Luke to its conflnence ,....ith the <br />main COII"(','"UIH'(, dll\,llnel nbout u mile north of U,S. Highway <br />160. Th(, initial t'upll.city of the collecting clmllnd would he 10 second- <br />f('('t, gradually illcTN1.<;ing to 52 sp('ond-ff'f't where it <.~utcrs the 1Jl!l.ill <br />('onVf'ynllct' c11il1lllt'1. Thus, ull snh'ug('d water would he collected in <br />til(' nwill dllllllwl nUOUl a mile nort.h of U,S. lIig:hwll.Y 160, <br />About 129 wPUs Hlld pllmps nnd 92 milt'S of Illu'rnl CtlIlHls would be <br />('onstl'u(,t('(l to cllrry tllf' SUI\"llgt'd watt'r to Sugllllellf' Cr('ek, the lIluin <br />t'OIlYenmt'(' l'ill\llIlt'I, anti tll<' Sun Luis Luke Challlwl. The luternls <br />would' \'llry ill capal'ity from n.n ~('l'olHl-fool to 20 s.~('ontl-feeL Th<'l'e <br />would 1w tin '\"l'lIs along the main ('halllwl b('low San Luis Lake to the <br />Hio Grulld,'. <br />T('mpnrutllr~ of Il\unpt'd ground wult'!" hus l)('t~1I nH~n~ur(>(lat 520 F, <br />Cold Ilights tllrnu~hout tlw .p'u!' woul,1 pn'Y4:'nt apprecitlblc wnrming <br />of the ~nl\"llgcd ,,'aU'r nnd it i:,> t'stinllltt'd thnt Illl1ximum lemperntllres <br />ill tilt' main t'h/ll1lH'l would 1)1' abollt 620 F. Ponded or impoulldpd water <br />in Sun LlIi~ Luke prnhllbly would rCllch 11 maximum of 720 F. on 11 few <br />dnys pnl'h 'yl'llr, LA]W n'adil1gs of minus 300 .F, anl ret'orded in most <br />-,,('urs. It i~ l1ntkiputt~d that tilt' surftH'p of tll(' t'lwlloels would be <br />frozt'n 1Il0~t of the wiTlt('r, <br />Ilistoriculh' t ht' "'n 1('1' slIrfllcc of San Luis Lukt~ hns nlrie(l consid('r- <br />ably dlle to ,irought. 'Yith lIll /'quulizing dWIlIH'1 cnn:"tructed between <br />tht' lak(. nnd tIlt' main chaIllH'I, th(, WHU'r sllrfu('(' of San Llli~ Luke <br />\HlIdd IH' controlled b," tlH' waIn :"urffH'(' plp,'atioll in tilt' main chtllllH'J. <br />Und('r !lormal dischul:!.!.I' i'ollllitio!l:, Sail Luis Lllk(' would han' n surfat'e <br />un'a of about SGO ll(:rl'~, F'or hri/.f lwliiHls of linw wh('n thc' mnin <br />elw.IIIll'1 would IH~ flowing HI maximum dt'sip:n nlpacity tilt' wtlWr <br />surftu'l' ('If"'lltion would iIH'n'n~(' about 1.8 [('ot tlnd the llreu of StlTI <br />Lui:"o Laki' would iJlcrl'H:'i~ to 900 lHT{'S, <br /> <br />Th(' lH'riod of nntdy:,i:"o for ti:"oh and wild lift' coin("i<lp~ with tIlt' pro- <br /> <br />jt'('tt'd lift' of tht' plojt.et, 100 y"ur~. <br /> <br />Fl:-;H <br /> <br />U'ithollf tIll' projf'ct <br />TIll' ItI'l'll of infllU'!H'I' of lilt' projt'ct oil fish indud(':"o San Luis Lllk(" <br />:~::? mill':' of t1\l' Hio Gmlld{' ill Colol'll/Io, Hlld 'j't) milt'S of thl' Hill Grande <br />in :\ew ~Iexil'o, <br />