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<br />(,HAI'TEN 2 -)'IU>l'OSU) :\CTIO.~ :\l'\J) :\LTEH.~,\TI\"ES
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<br />Allcm~ll\"e~ e,'~IU~ICd In Ih,,, cn\'lromncnl~1 .l,,'e..,menllndll,le J ~o ACllon amI lhe J'rof'<"",d
<br />I\Cli"n
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<br />:-.;" ..\di"l1 '\llt'Tn~liH': Under lhe j\" ,\dllln Allemall\'e.lhe Re,'".'cry Progr.un IO.'"uld ""I
<br />l~ke ;Kl1011 to enhance end~ngereJ ti..h hat>ilal 'II E1~ ~.'ildltfe SanC1U;ITY, A n<>l,'h 1" enlr,,,n
<br />lar.."l rJwrt>~d, "Iller would nOI I>c con'lnlCled in lhe eli..rlll~ Ine...
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<br />I'rop"..t.d A('li..n: Tetra Tech Inc. of Bre,'krnridf1e. Colo""jo "',IS contr~cled 10 [l"l'are a
<br />hat>rlat ll'"t.'raln'n rcr"n rur the 1:la Wrldlife San.:ruaT)' ITerra Ted Inc. ~OO.hl. Su~'ey d"l.l
<br />"'ere wllecled m ,\ugUq ~{I()(l The [lll!l""e of the rq,,,n ",,,, h><letemllne lhe nl~~l.,hilily
<br />..'h.mKtemlic.. nf lhe Ela Wjldltfc S.lm;mary amI rr<wldc pr"I""('tl mouif!catinn, ~Ilhe 'lie 1,1
<br />prOfTl(Ole enrralnmenl oflan,;.l cnd.mgered /i,he.. from the m'cr,
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<br />The rrllf'l"ed aCli"n would eon'lnll:l ,>ne ",'Ich 1" rn"'lea'e now IhrllUfh frcllllC1KY al rhe f.la
<br />WJ1dlrfe S~nclU~l) (Figure. ~). Bcrau,e lhe h:lClwalercurrenlly control, inllnd.l1wn frC<:jueney
<br />l,l.u1lng",le",hllnlht-I,11 year evenl). lhc n"w rhroughcumhll<ln "'ouldhave liulc dUlng-e on
<br />lnund:lIIon fre'lucncy. The arpro\lmate drmen"nns oflhe nOlch would l>e a 50 feel.wi,le "',uom
<br />\\"idlh along the left ri\'er l>ank. ",ith 7;1 side sl"pc' IFlgure 3J. The in"ert I,f the ui"'rream n"teh
<br />would l>c's.:t.l1 e1c"llion-l.5.,6,Ofccl. Elevallon.t.53h,Ofeelrel're~m'anverdi,,:h:\1ge
<br />t>cl"ttn 11.~50 cuhie feel pcr s.t'('ond (efs) and 1.t.lOO cr.. The notch w'Jutd now lhruugh
<br />arpro~l1nalelywrthlhe 1,1 I-year I1nw ""ent The n.llur"Il>...,kwater'nndllionwouhlpro.'rde ~
<br />"alCr wrface elcvaru," 1l1lhc 1"'"'1. of "rpro.~lmalely .t535.0 feel rmme,liately hefMe rt\'el
<br />"'''lcrt>cgll1,nl''''lIlg1hr<'ughlhenolch. Whcnthet>""'1<."'alerrea..hcslhenm,,'hin.'enetn"ll,,n
<br />of .t.5.,6{) Icel. "l'pro~lmJlely I fOOl of head would he ovcr Ihe imcrt and 160 cfs wuld (lil"
<br />Ihroughlhen"Kh, Appro""hillglhe5-)'e,ul1owe,'enl",'hCfcthef'<,"doaturaUyt'onm'cl,lOlhe
<br />mer hy IC\'cc 'l\'WUprrng. arpro\rrnalely I .00Wl d, C<luld 1''''' thwugh lhe ",'l.'h. 1\1 and al\l'H
<br />the 5.yc~r event lhe notch "'ould OC4'UlIIC 'uhmer~d and 110ws ovenopplllg lhe levee ,lIll' r(lad
<br />wll\Jldhee''oCnllllllylhe~arne"\oceursundcre\i..llllgc'mdlli,,n...
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<br />The 'Ilk ,lof'<.'" ,,(the nlll<"h would cnn,trucrcd ...ilh a 7: I r~II111n .t<:commud"le lhe f'<"d<.qrian
<br />lr"lllhalcurrcnrlye:\r,r..allhcprojeel,rreandalhm'folc"n'llU<'1Ion and rnaimenilnee ",'ee".
<br />AhI.ur ~.UI.)euhk y.ud< (CYl of lC\'ee m"lerral "<.ould he (\':""llled. EX(JValCd malcrial~ w"uld
<br />l>e u-cdnn..rre lnc<.'n.'tru..-t anoff'oCllc\'telh~1 ",'ould malOlarn Ihen;'"ng 1e,'e1 o(nood
<br />prNC(1lOnleurremlyle"th;rnlhe.'i')'carrelumfrcqllcocyl1oodll0:!ol.1"ccmrropcnresafl<:,rlhc
<br />prlljc<.:l r, compleled The off'el levce would t>c (un'ln>elcd with an ""er.lge top widlh of l'o fcel
<br />.mdelnallonof-l.'i-lOOfccl
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<br />Thc nOl<'h w"uld he cun,tnJ<.'lcd hI Wilh,land f"tec, of 1M IIKl-year n<~~l f't""k event rt>
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