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<br />Table I
<br />LAW OF THE RIVER
<br />GOVERNING MEXICO'S ENTITLEMENT TO THE COLORADO RIVER \,ATER
<br />
<br />~2.t,19'22
<br />
<br />""""""'" 0U'D!l\Dl.
<br />
<br />axawx> RIVI'J\ wex::r
<br />
<br />olme 8, l370
<br />o P.rovided. that ~ir oper1ltirq plan be dIMllcped by the Sec::retuy
<br />each year and ~tted to Con}ress and the Basin States.
<br />o Di.rel;=ted Secretuy to det.eaJ!.ine 8IlI::Il.Dt ot water to be retaJ..ned in t4Ptt
<br />Basm rtlSBrV'OUs to IIlI!l8t: ooliqatiCC13 in Lower Basin without. :iJrpaJ..xmlInt
<br />of \4par Basin U3e8.
<br />o o:Lrected Lake M5ad be operated. to meet: Harlc::an Treaty cbu.g.,.t.i0n8 aPd
<br />reasonable ~..... use ~ ot a:ainst.resnl user!I'
<br />o E".rcvided. that reaaMable ~i..... UN requ.i..rstI!In ot all maJ.nst:.ream
<br />~ in LoNer Basin be IIIIt. tmf:.1l de1J:v'l!ldu begin trcm C\P.
<br />MIHJ'IZ ID. 242
<br />
<br />~ 30, 197J
<br />
<br />o JIfpOrUl:DI!lCI water use to Upper BaSin (po1"'t.8 of p.rizona, Color1!ldo, New
<br />Haxioo, ut.ah, and. Wyardng) &rd l..OofM" Basin (parta of Ariz.ooa,
<br />CallfoJniIl, Nsvada, New Hoxico, and lJt..ah1 .
<br />o provide8 7S lllilli~ acre-feet (M\FI to I..ower Bum over lO-yeu perio::l.
<br />o prorides that if the lbited states reoognbu any right to water by HBdco
<br />that BUCh water ahall tint be &\.Wlied :from the water" 1lbicb j..a sw:plua CNf!/r.
<br />IUd BbcMI the IIfFOrtic;nnDllt8 to the Bum States.
<br />o provides that it the lrU%plus above the 8fPOrt1a-.nent8 to the Blt.8in sutu ia
<br />in5ufficioent, 't.hIII M!Dican deficiency 18 to be borne equally by the t.Ifper and
<br />~Ba!IIina.
<br />
<br />EOJL[I!R a.HItIf PIOJIICI' 1Ct
<br />
<br />DeaIIIIbea: 21, 19'28
<br />
<br />a:uJWX) RIVBR IPaSDI I'IOJD:'r 1Ct - P .L. 90-537
<br />
<br />Sef't............... 20, 1968
<br />
<br />o GulIrantood. that 1.36 ot the 1.5 KY ot Colonado Rivu: water dBllYerl!lCl to
<br />Hnioo would be ~ ot MJrelos Dam and would hzrve an anwal avarage
<br />...Hnity of no 1rIJr8 than 115 parts per adllian Cppa) plus or min1s 30 IPll
<br />0\I9r the ann.mJ. ~ sa1..inity ot Colorado River Wllte.r Wich arrives at
<br />Iapu'ial 0-.. -"
<br />o Cont..i.nue deJ.ivery ot 140,000 acr9-feet annually (the ~ portlC1"1 ot
<br />the 1.5 l'W") to Hax.J.Q) M.thlI lard bouttIary of Son I.uJ.s in t.he Colorado
<br />River cIownstteam of tbrelos Dan with a sallnity subst.ant.ially
<br />tte sarre _ that CI.l3tarerily delivered.
<br />o 'I.'b& thited States 1oIOUld b.Uld an extl!n3im of the ByPa,.,l'I Drain to C8ny
<br />~ltcn-t't:lhswk. dra.i.naget water to the Santa Clara Slough, Msxico.
<br />o Limited. ground~ter puIp.i.rq for eadl. a:.untry to 160,000 acre-feet.
<br />within 5 mllel'l of the Ad.zona-Scaon BcuxSary.
<br />CDU;IWX) RIWR MS.Df 8ILlHln tuma. H:r, P.L. 93-320 .:bIe 24, 1974
<br />o ~ a c1e.!lalt.ing o:apll!lX to rerove .salb f.ttm the Ne.lltm-ti:lhmdt
<br />drai.naqe water. .
<br />o L.ine or c:onstnJct 49 mile.!l of new l..i.rltd Cooch$.lla Canal to salvage
<br />132, {)OO M:Ce-feet, of water annually.
<br />o Recb::e ird~le ~ in NBlltcn-H:Jhawlc frcm 75, 000 to 6S 000 ac::ru
<br />a.rd ~ efficiency. '
<br />o P.eplilO!!lMOt water wa8ted. by the de..saltJrq plant and tfB,ter bypa.ssed to the
<br />Santa Clara Slough AnI nat.L::naJ. obligaticna 1Iimi..1.ar t.o naUt:na.1 obllgaticn
<br />to .!Jatisfy HBx.ican Treaty.
<br />o Cool'It.ruct well fields capable at ~ir1g 160,000 ac%8-feet at. water
<br />annually along: thq Ari:r.CX'la-Scn::lra boroe.r for uae. in I.k\ited states.
<br />
<br />o provided for oonstrueU.cn ot Iklover DenI.
<br />o 1u.Jthori:r.ed an ~ 'tlbich would hlIv8 lllflX'rt.icned Lower easln _ter:
<br />
<br />Nevada
<br />Ari:r.ona
<br />Callf"onlia
<br />
<br />- 0.3 ~llion acre-feet
<br />- 2.8 ~llian acre-feet
<br />- ....4 lrIi..llion acre-feet
<br />
<br />-t;,
<br />
<br />IEXICM IIIm!R 1H'ArI
<br />
<br />~ 3, 1944
<br />
<br />o QJ.aranteecl Hi!lx1co . ndnln:m water 1NfP1y of l.~ ~ arnmlly.
<br />o provided for r;ecb::ticn of HBxiQ)' II deliveries in lIalll9 ptqXlrt.i~ as:
<br />CJ:I'l.!IUIptive use tor lhited states in "extraordinary ~.
<br />o provided that. Hl!JUQ) can ~o an aQ:titional 200,000 N toehe:Il w:J,te..c excess
<br />to the 1k1ited St.at_ neeo:b are available.
<br />
<br />o Prioritized _tar released fraa. Lake powell (1) to Treaty ob1i9l"tion of
<br />HBxico, cha.rgeable to the Statu of t.heI ~ Divi:lioo (2) UJ:p8r B4.!1in
<br />guanntee of 75 KV' tIV8rY 10 ye.arB to l.ower 8a=lfn, aOO. (3) eanyover
<br />stonMJe to meet thue ooUgatilX13 given pr1lIt~.
<br />o AuthOrized ~ Ari:r.ona Project lOP).
<br />o Gave California IIJFOrtic:nrent priority over a.P c:i1ri..ng water shOrtage5
<br />(~ to 4.4 WlF amually) .
<br />o DetenrUned tMt HeX1can water 1'r98ty wa.!I a naticna1 cbligatim to be
<br />as:suned by the Urlted States wbe:n river was a,.qrented. by 2.5 M1IF Ii year.
<br />o J.ut.horized major toIBter study to detemU.ne water 8\W1y needs an:l dsve.lcp
<br />. plan for 11 westem states.
<br />o Directed the Sec:r8tary to establiM lc:ng-rarqe CXlOrdinated Clp!Uti.n;r
<br />criteria for the major Color.oo !ti....er reservoirs based on priorities listed
<br />in the Act.
<br />
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