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is In Zone 3. Thls will lncreu�;e the capacity to reduce an <br />exces6ively hiLh fall leke 1F.vel ur►d provide adtquateetora6e <br />capacity for surir16 snowmelt. <br />Zone 4 - 150 (:F; Maxie, if' <br />A d_ _irbe rate rant J n6 1'rcm upproAlmately 20 cf i up tc, <br />a maximum f 150 cfs is re;yuired provided the carryinb <br />capacity of Minr.ehahn C : is not exceed(-d whenever the lake <br />level in in this zone. <br />From May 15 through Ju'.: 15, disc..urge will vary from a <br />rainl.mum of approxir,;ately to a maximum of 100 cfs if <br />the lake level is Rt or L, ; 011W (929.4) and will ra%e <br />up to a maximum of 0 cfs lake level is abode ;he <br />U hb . <br />-'r-xn July 15 through November 30, a hydrologic <br />computation will periodically be performed to Ceter.A what <br />uniform rate of discharge will be necessary to accommodate the <br />desired fall lake level of 928.6 based upon normal weather <br />conditions. Discharge will be ;periodically adjusted to <br />accommodate actual weather conditions en-ountered. <br />11—refore,-'.ischarde durint, this period will, to the grates <br />.nt weal -'-r c,--iitlons allow, occur at uniform rates <br />retween approximately 20 el's and 150 cfs. <br />'.s zone is considered to be desirable for operation of <br />the structure. Wk.en operation Is erned by this zone, <br />optimum , iditlon3 exlst for ech1(- Lg 1..(e Mara ement Gcals <br />Identified in SECTION II. <br />Zone 5 •- Base Flow Dischar, <br />Base flow discharge is rt-�j -:d whenever the .ake level <br />elevation in within this zone. e po-pose of ease 1.'1ejw <br />di- iarLe: is to reduce t::e det.rir.., t. !f`-,ets of eree.c flow <br />stat,riation during dry pr_r!ods. Tht. t"Qe fiow discharge z..)ne <br />is designed tc t.3sure that a volume t-f wat sr will be <br />die charged that t.s approxiwaI '..y Ayual to the volume <br />disc' arged by the pre,rloun :xe weir COrtalderine simi;ar low <br />lnk«. .evelo. <br />The p.revlous fixed Jt weir (1..jchareed eater . A a rate <br />of 11 cf;j when the lake l -el elevation wa;; at approximately <br />929 0(O . therefore, when lake levels are within this zon( , <br />base flow d;acharges will occur subject to t.,e r; ndi Lion <br />below. <br />1. To tha extent that it scl f , ae <br />allows, base allow c14ch,ar f;es <br />of approximately 1' <br />meastir. . .er,t acrurai y <br />.111 u- :,ur at a rate <br />