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<br />\ <br /> <br />" <br /> <br />.' <br /> <br />4 <br />~ <br />,. <br /> <br />C.E.C. No. UC-9ll.QI <br /> <br />, <br />7 <br />~. <br /> <br />CatelflricaJ ElCclll~on Chp.cklist <br /> <br />.. <br /> <br />Project: Fall Test Flow Rer-.... _ Glen CAflYtln Dam Arizona <br /> <br />Date: October 7 1997 <br /> <br />Nature of Adioa: The Ilureou of Rec:1amalio1L propo.... to do a telt release of wiler from Olea. CmyolL Dam. It <br />powerplalll capocily, for 2 da)'ll, begizmin. November 3, 1997. The maximum raIed powerplom ca"""ity ill 33,200 CD, <br />but due to the curt'eOl .taIUI of the .enB1'llinl unila. the max;..mm achievable durin. thia event ill expected to be only <br />obouI3t.OOO efI. The reIeue ill viewed u.. opporlIIDity 10 tee wbodm. deoisned release can move .ediment that c...... <br />down !he Poria River and other unPled tn'bulari.. to !he Colondo River in Gl'IDd Canyon, AZ, thiI put AIIJUIl, and <br />depooit it It hip levela OIL beacbeo alOllll oelec:t ...,be1 of the Colondo River. <br /> <br />J <br /> <br />Exdusioa CafeaarJ: 516 OM 6, appeadix 9 B. PIumin. Aetivitieo I. Rouline pWmiDI inveoli.otion aclivili... where <br />!be inl!*tI.... expeeMd 10 be ~I;..d, !1ICh.. land clu.ifieatiolllU1'Yey., topocrapbic ourvey., ucbeoloP:a1ourvey., <br />wildlife ,lUdi.., ecollOmic .tucIiee, .ocial otudi.... and other .tudy activity ~ InY pw.mn,. precollltrUction, <br />CODllnlctiOll, or operlllion oad ....;_.lI"~ pbu... <br /> <br />:!~ I <br /> <br />.'. <br /> <br />!~.. <br /> <br />....',: <br /> <br />I. TbiJ ocUon or JI'IlUP of aetiODl would have a <br />.ipificaDt effect on the quality of the human <br />enviromneat. <br /> <br />No.JLUncertain <br /> <br />Y.. <br /> <br />r <br />~ <br />~;.~ <br />1/, <br />-'- <br />~ ". <br /> <br />Evaluation of Criteria for Categorical Exclusion <br /> <br />, <br /> <br />Note: At september 1997 ......n.... ofreaoun:e reoearch ",ienliltl and !be Technil:al Work Group (a oub-p-oup of the <br />Adaptive ~""r- Wort <mup-AMWG), ..,"-'-10 !he .~ t997 AMWG ..-ins, the propoled flow wu <br />djr...... md there w_ 110 ';r- ........... u...... iMntified. MonitorinJ for impocta to the trou& fiJhety in the Glen <br />Cmyon R_h will be do.... <br /> <br />, <br />:: <br /> <br />j." <br /> <br />, . <br /> <br />2. TbiJ ..,uon or poup of acti01ll would involve <br />unteIOlved coDf1ieta conuminl alternative ua.. <br />of avaiWlle reoour<:IlI. <br /> <br />No.JLUncertain _ y.._ <br /> <br />~."; <br /> <br />Evaluation of ExceptiOlll to ActiollS Within Categorical ExclusioD <br /> <br />r,,; <br />~;,~. <br />.... <br />~;~ <br />~ <br />$-': <br /> <br />Note: The requ~ for Colorodo River AIIIIUIl Opentioll Plan review wu diJcwled It the AMWG ..-ina and it <br />wu <Ietermi.-I that beeauM the rel_ were to be withia powerplallt eapocity, and in aceordaDco with provilioDl of <br />the 1956 CRSP, the 1961 CRBP, and the 1m GCP Acta, that it eou!d proceed. <br />t. TbiJ actioll would have ,iaai1\cul& odv_ <br />effec:tl 011 public health or ufety. <br /> <br />2. TbiJ actioD would affioct unique ...,arapbical <br />featurlll !1ICh u: wet1uda. wild or ICeaic riven, <br />reiu..., flood plaiDa, rivw. pIKecl OIl the <br />oatioo.w~ river inv-.y or primIl &ad uai<pe <br />farmiaDdl. <br /> <br />No-LUucerWn _ Y.. _ <br /> <br />;..:;: <br />".l. <br />")J <br />~"" <br />. . <br />" <br />.,.. ~ <br />;~ <br />~~: <br />":,.:." <br /> <br />No-LUnceruiD _ y.._ <br /> <br />I <br /> <br />3. The lClioo. will bave hiahlY eoDtzovenial <br />enviroomeatal effec:tl. <br /> <br />No-LUucertaiD _ y.._ <br /> <br />1 <br />