<br />Fan Te.tt Flow Rl!!leue - Glen Canyon nam Ari:lona
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<br />October 7 1997
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<br />The iDleat of the _ flow it to OIlIbliah a hip bllllc reoerve of .edim8llt for lLIe in a poa.ible IIIbIequed .prm, 1998
<br />beachlhabic.& buiIdiDc lIow. PreviOlllly .c~,_,I"t"<l .edimeut deposit. in the ciwmel of the Colondo River were
<br />dq>leIed by biah /10... dIroutb Il1iy. The hip Aup iDfIo... to the PIria has temponrily m.ode more sedimeat available.
<br />l!ec:alIe . 181_ of tbio puDcuIar ""'P""vI., timiDa IIlli clunI:ion has Dot b-. .pecifically plaDDed IIlli obNl'Ved ill the
<br />put, the eveat it alao viewed u a teot, willi tbe objective of delerminin, if .edim8llt C&I1 be depooiled iIIsw:h a way..
<br />to be .w..equeotiy available to move durin, a hi.- lIow ev....
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<br />Tbere are DO I'IlIIClIIIbIe aIIemodveIto the propoHCl actiOll. Thia .pecific actiOD it unique becawe il'. baled 00 exiatio,
<br />ONfn.- 0--1...... due lD the Aup nmolf iota the Puia IIlli the tict tIw there it .......p water available in the .y_
<br />due 10 hip io/low. to alfeIIIpIlIlli move the .em- .0Dlo the baob. In tict, tIw available water _ be moved
<br />dowoslream &I1yway, i11l11ticipetion of """,,""';'" hip io/low., but il will toke tbe available Puia .edimeal with il.
<br />Fuhioom, a 2-<1ay relMM lit po....erpWII capocisy it expected to save tbe ,M;_ IIlli ll:Complioh the required water
<br />releue It the 'lIIIlllimlo. The ooly other optiOll it to cboote DOC to do the lei(, bytlUO the opportuDily, IIlli 10le the
<br />,.,nn.- dofo~-a. Madt AoderIOIl of the USGS ellplaiDed tIw the cilia sho..... ,tIw the sedm.. from the Paria will
<br />be p>obed out of 1hIo _ sbaaIoi 1hIo""'...... . . flow Dot be do1le. Thia....ouId.-lt ill a loot opporlWlily to depooit tbe
<br />.ed;........ IIlli bep it __ ......... it will be oeeded in tbe future. T'1IIIiq the rel_e to OCCW' u plaooed it importut
<br />to avoid "* of tba ~_"-.l 0-1"'- &om tba Puia to dOWDItream reocheo of tbe river ciwmel, beyollli the beoctM.
<br />WI are inteodeclto be iJIf1ueaI:ed.
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<br />The EIS Record of Decillion placed a cap of 2S,OOO en 00 1'81_ from GCD, with IIIlborized exceptiool aIlo....ed to
<br />ICcomodlle _'......_, bobilol -;-...... !to....., "-hIbobitM buiIdios !to....., .pill avoidaol:e VldIor fIoodf1ow
<br />1'8"'. The.... al!be .....- an operUioaa pr<IO*I, .. ellplaiDed in the E1S, wu thII& the Wptive -.-
<br />pro..- would be the vehicle for cIetermioio& Ill)' rec.,.....:.....fM c..... to dim operatiooa. ThIll would),.;hMI.
<br />-II. ......,. rel.-lto the _ _",m..!., aad dundoa of OItIbliabed fIo.... poIIllInII. The I"'u~ fIo.... ~
<br />a _ of wheda-/Iowa at or .... powerpla CIIpCily -. move win...... iIIlo slDnp on the .ide of the river boob. The
<br />flo.... ;, DIlC..-ilIared a babat.... ... . /low, a b.cbIhsI:liIIllw,;!dm. flo...., or ev... a maclificotioo of either of tlJose.
<br />However, it II . clwlp ill opentioaa from thII& Mbblilbed by the EIS ROD, the openlioa criteria, aad the IIIIIIII&I plaD
<br />of operatiooa. Therefore it ill lUbjed to revi_ by tbe ~e MlIIII..... Worlc Group to be coosidered for
<br />,...... I~ lD Ihe Secretary ofthD ~ for impI-.aioo. The AMWG diaculsed tbe propooal. .!DIllioo wu
<br />mada Idd. _ ~ that tba /Iowa lab pIil:e provided two pre-coodiliDoa were met: t) WI eaoup sedm.. ;, available
<br />IIlli 2) tbat lbere -.Jd be DO odv-. Imp.cIa lD dt....~_ _. The votAl ..... """"""'- to proceed ll:CordiDIIy.
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<br />Preparer'. NIIIIll aad T'llIe:
<br />Reaioul ArCJ-lop c- Willi a- 7:
<br />'{Jr- Repoa.l ~ or ITA Deoi.- C- Willi n.a
<br />Co~ _ i'f~...Id/.I'''''~rJ:. Date: /~/"'/~.,
<br />Divil' OfIIceCbief
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