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<br />ELEPHANT BUTTE RESERVOIR
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<br />Primary Owner:
<br />,Authorization:
<br />Authorized Purposes:
<br />Year Completed:
<br />Water Supply Storage:
<br />'Total Storage Cap~city:
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<br />1905 act
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<br />Bureau of Reclamation ,w
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<br />Water supply" hydroelectricpO\~~f~ re~_~aticw
<br />1916 ' m"i\'l 'i~"
<br />
<br />2,1 million af
<br />tlmillionaf.
<br />
<br />Elephant .Butte:Dam was 'authgrizedby'
<br />Congress in 1905 to help settle ~ater"dis~
<br />puleS with Mexico and to provide a relia-
<br />ble s~pply.to irrigators in southern New
<br />Mexico arid-.the EIPaso region of TexasJ
<br />The Bureau of Reclamation contracts 'for"
<br />the delivery of more ,than 600,000 ailyr of
<br />res~rvoirwater to the Elephant ~utte}rri~
<br />gation District in New Mexico and t}{e El
<br />Paso Water Im'provement Distri~tNo. 1.
<br />The Hudspeth County' Conservation and
<br />Reclamation District also contracts for sut-
<br />plus project waters and teturnQo~s from
<br />* proje(:t irrigation.
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<br />IJ-imary Owner:
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<br />'Aulhorizati9n:
<br />
<br />'Authorized Purposes:
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<br />Year Completed:
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<br />Water SupplySlbrage:
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<br />Tot~l Storage Capacity:
<br />.'. 11
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<br />ELVADO RESERVOIR ,
<br />blf' ill, ~'
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<br />Midd,le Rio Grande C6nse~vancy Dis~r!c~
<br />.. . . g}:~ 5- ~'\R Wi tV:
<br />non~FederaUyflOanced '. ,w ...~:,_,'~ ':.....~'. '" ~~.. . .'. :~
<br />used for water,sUPPly~t~~ge a~d \~oe\~ctric.!,oJ~r y.~
<br />1935 " iM 'f!11/1 ,,,c: 11l
<br />186,000' af ,_" MLtl
<br />'.. !:<<:: ~~ W:<~~"
<br />186,otx/ af ,m Ii .,' '" '!\Ii !;!
<br />,.~. ., '.' . '. .,;A, . )~:
<br />The Burea;l.lof Rec;l~matiQ~-~per<tt~s t,l}e
<br />t:e,servoir. un~er .all'agr,@~m_e~t,~ttht!h~
<br />MRGCQ MRGCDco~tr~ls th\;'us~.of
<br />storage ~apa~i{~ andhas'r~cently-.rent~-af:.m
<br />sp~ce. to' ~lbl(ql1~:rque'ana'o~her?oIlt~tc~ :~
<br />tors for thes~orag~ 9f~~heir s~rplus Sa~.. u,
<br />.JuanwChamaf'water,J~ad~ition{ lln?et a~/
<br />'-agreem~,nt~itlfM~GSP;~l1d tr~_~,~~~,auI:
<br />Los ,?lamt?sSountyi,s,~pnstr~c,~i~,g
<br />hydrbelectdcfacUities:;illi Yadi):f."
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<br />
<br />EIVa'do Dam:was constructed by the Mid..:
<br />li1eRio Grande Conservancy District
<br />without the useef federal funds. The
<br />re~rvoir has been used primarily tocap~
<br />ture surplus flows of the Rio Chama dur~
<br />ing the' sprint then releasing them {or
<br />tJsehY~!f~CD irrigators. The reservoir is
<br />'i:\lso,operated 10 capture and store water
<br />for six Pueblo Indian tribes which irrigat~;
<br />from the Rio Grande,
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<br />In additiop'to irrigationsuppli~si Ele2' ifiy",
<br />phant, ~uh~~e_s~r,:?i.rCl!sOFontributes to A.I'
<br />signi~icant.hyd~9~lectrkproduction.:rue
<br />dam was fitted with l?9wel'/~urbines i~}he.
<br />late:1930swith ~c~pacity~f21.3,?'
<br />rI1egawatis;:,t.\lso"r~,cr~,atiol}'is}mimFot~
<br />'tallt functi9_ri (}tElephant ~~tte,_re,se~,y9ir.
<br />In'1974, Conk'reS's f{uthortZedtheuse hf
<br />, . .,'.' .,..;,;"r" :" ' . '.0:'%..._ .,-
<br />50,OOOaf~! San J~an&c,~~mCt~ater tq,;c
<br />assure a n'inimum}s,creatio:1Jal,pool}lt
<br />Elephant Btlf1e. dp'ring :firoughtp;Ii{):?S
<br />~he~;the resef\'5)i1'.,!pig:h~p~he<ti'i~~. go'~
<br />dry:::I* J986,' hO\yeverJ~!his"~~~~r,, w~sios,tm
<br />downstreatnas :~lephant BtitteHn~~ ar(clt:
<br />"spille~'('4~aer:termslof tb~:Rio g;ransley'"
<br />Com "ac(" -, ,~
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<br />GALISTE0 RESERVOIR
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<br />
<br />Primary Owner:
<br />
<br />Authorization;
<br />;Authorized' Purposes.:
<br />
<br />Year Completed:
<br />
<br />Total Storage,Capacity:
<br />
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<br />Corpstf Engineers
<br />1960 Flood Control Act
<br />
<br />Flood and sedimentcontiol
<br />
<br />l!17O
<br />89,000 af
<br />
<br />Galisteo Dam was authorized in the same
<br />legislation as Cochitito control flooding
<br />inthe upper Rio Grande. It is located on
<br />Gidisteo Creek, twelve miles above the
<br />,creek's'confluence with the_Rio Grande.
<br />The reservoir holds water <mlyduring
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<br />(i'1l,. .":.......... .....:..C',.' ._.,.... '.'.....
<br />fl()od flo,~,s~';an'dempti,~s as,sqOnast~~
<br />water carrfIO\y tb.roug?:,the danfs",uncon::
<br />trolled outlet: 79,?9Dafof rt:l~:eryoY',c~pac::;;.
<br />it yare_dedicated toflobd cohtroI, with(' ~
<br />. . ' .....: .;. ....w..
<br />9,400 af lor sediment storage, '
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<br />changed dramatically due to an abun.
<br />dance of imported San Juan.Chama
<br />water, Although SlC water had been
<br />diverted into the Rio Grande basin
<br />for several years, few entities that had
<br />contracted for the water actually
<br />needed it at the time. These pur-
<br />chasers, particularly Albuquerque,
<br />therefore wanted to store their SJC
<br />water. Abiquiu Reservoir became the
<br />focus of their attentions.
<br />
<br />
<br />With the active support of the New
<br />Mexico delegation, in 1981 Congress
<br />authorized the storage of 200,000 af of
<br />SIC water at Abiquiu, This storage
<br />right has been used to the fullest in
<br />recent years, and a study was made to
<br />assess the feasibility of allowing for
<br />additional storage of water supplies,
<br />This effort has proved controversial
<br />for a number of reasons, including
<br />concerns over Abiquiu Dam safety,
<br />seepage, inundation of additional
<br />lands, and detrimental effects on
<br />river recreation.
<br />
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<br />
<br />3. JEMEZ CANYON AND GALISTEO
<br />DAMS: The final two Corps dams in
<br />the Middle Rio Grande Project are
<br />operated exclusively for flood and
<br />sediment control. Jemez Canyon
<br />Dam is controlled in conjunction with
<br />Cochiti to help prevent Rio Grande
<br />flows from exceeding channel capac-
<br />ity. Floodwater is evacuated from
<br />Jemez Reservoir as quickly as possi-
<br />ble since the entire flood storage
<br />capacity is potentially needed to con-
<br />trol subsequent thunderstorm events.
<br />In 1979, the Interstate Stream Com-
<br />mission provided water to establish
<br />2,000 af permanent pool at Jemez in
<br />order to better trap sediment that
<br />would otherwise be discharged
<br />through the dam outlet and eventu-
<br />ally enter the Rio Grande channeL
<br />
<br />In recent years, the ISC has main-
<br />lained a much larger pool of 24,000 af,
<br />using flood water and San Juan-
<br />Chama water from the city of Albu'
<br />querque. There is recreational use of
<br />this pool. but it cannot be used for
<br />conservation storage.
<br />
<br />Galisteo Dam operations are uncon-
<br />trolled since no regulating devices are
<br />on the spillway or outlet structure,
<br />Consequently, water stored behind
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