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<br />Dunh(~ Point Effects on Water ~rfaellevatioi1 o. <br />at Me Phee ReservOIr . 0~8) <br />~\O( <br />8~1 <br />\I.f''' <br />P. <br /> <br />6 <br /> <br />..., <br />... <br />.. <br />~ 5 <br />'-- <br /> <br />~ <br />i::: <br />~4 <br />~ <br />~ <br />~ 3 <br />tl <br />~ <br />~2 <br />"I <br />ei <br />I-: <br />~ <br /> <br />.. <br /> <br />.~8 <br />II"" <br />, 100/00 <br />6ffiJ. { litll' <br />e t:1. 'f,oO/o.o <br />C t:l0699A <br /> <br /> <br /> <br />o <br /> <br />2000 <br /> <br />I ( <br />500MW---+-< <br /> <br />JOOOMW <br /> <br />-I <br /> <br />12,000 <br /> <br />14,000 <br /> <br />4000 <br /> <br />6000 <br /> <br />8000 <br /> <br />10,00O <br /> <br />Volume of Water Transferred During Pumping a Generating Operations <br />(ACRE- FEET) <br /> <br />RESERVOIR FLUCTUATION <br /> <br />The re \Iii S il ;lJ rt i cul a r concern <br />r:Jcnt i oncd at the Apri 1 23 neet i ng <br />tl1at operation of Dunham Point \/ould <br />cause sign 1 fi cant f1 uc tUll t ion i 11 the <br />~Iater surface ell'vation of ~lcPhee <br />Res(!rvoi r, and '.:.,at tlli 5 fl uc tuat i on <br />would affect the fish population 1n <br />the reservoir. The graph above 5110\15 <br />how mucll the water surface of llcPhee <br />would drop IJtlcn a Sivcn aMount of <br />water 15 pumped to Dunhan Point. <br />Line ^ represents tIre projected Ilater <br />surface elevation of llcPhee during <br />periods of lO~/est )'esel"voir storage <br />and line 0 the projected water <br />sllrface elevation durin~ periods at <br />maximum reservoir storage. During <br /> <br />the tJeril)r) of nay tlp'ougli ScptC'mbcr, <br />the \Id ter surtac c of !!cPhec Pes" rvoi r <br />is ,"~,pecte<j to be at elevation 1...90" <br />LiMe C) or hi gher at 1 ca st ha] t the <br />time and elevation G8'JO ILine tl) or <br />higher 70 percent of tile time, For <br />exar.lpl e, if tile IIJ ter sUl'f,lCC of <br />IlcPhce Reservoi r lidS at e 1 eva t i on <br />(')04 teet dnd 8,000 acre-feet !AF! of <br />Ilater Ila s punped to Dunham Poi nt, the <br />\1J.tel' surface at ncPhec '~oulrj drop <br />approximat(']y (: 1/3 feet. The <br />500-negill/att un-/) line sho\IS the mi~- <br />i~um dnd maximu~ volunes ot w~ter <br />transfer required to opel'ate a ~OO-!:\I <br />generatilH] unit, The 1,OOO-tnl <br />desl ~nati on rt'rrrsCllts mi nimum and <br /> <br />naxinum val~cs for operation of a <br />1 ,OOO-rHi ']cnc\'atir.') unit. The actual <br />amount of Ilater transferrerl would <br />~rpend on tIle liaily duration of <br />peaking poyer generation. Tile mini- <br />mum Juration of pl:nping would ~e C <br />hours and the maximum 12 ilQurs. Tile <br />PO~Il'r Ila rket i ng subtear.] \.1111 <br />reco~mend tne pumping duration nceded <br />to neet future demands, Fluctuations <br />would occur during pumping operations <br />dnd row(r generation. P~mping would <br />generally start shortly after <br />r11dniplit. Actual f.1cPhec Reservoir <br />e 1 e vat ion s ~Ii 11 de pend 0 n the time 0 f <br />year. stora!)! avai 1 aul c. and i rri ga- <br />tion demands, and r.1ay vary from year <br />to yea r. <br /> <br />~~~~~~~~~~~~~~~~~~~===~~~==~=~~~~=~====~=~=====~=~~~~=2~~~=~========~ <br /> <br />LOZOS GJ ~~e^UaQ <br />LZ. ~COa ~.ea~.s uew~a4S >~>~ <br />PIeuoQJw II;o :U..V <br />p~eo~ UOT.e^~.SuoJ ~a.eM ope~oloJ <br /> <br />'Ivw"s"n <br /> <br />oc:v iNI <br />HOIl::J31.NI 3!-1l. .::lO l.N3WH:l\;r'd30 sri <br />GIV'd S33.:l QNV' 39V'lSOd <br /> <br />-~ <br /> <br />\.. <br /> <br />oot$ '3Sn 3.l"'^I~d ~O~ AJ.,...N3d <br />SS3NISnS lVIOI:l:lO <br />~OC~B OaV~0100 'm)NV~na <br />0\79 XOS '0' d <br />301:l:l0 Sl03rO~d O~N\f1:lna <br />~011~'N1JJ~ dO ~VJ~nH <br />HOIH31NI 3Hl :to lN3W1HVd30 <br />S31ViS 0311Nn <br />