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<br />1. TneProblc!"l <br /> <br />N <br />o Y~I",a 1/111t:y a'1ricllltural dr?irDfl(~ 3WI. irrhation '''',o.st2ua.'1 <br />~ <br />~ flOl'IS :lelivered to ':exico at thE' SO'ltherly IllternJtional flour.nury n:'?r <br /> <br />San Luis, ~rizolla, and San Luis. SonorJ, '~xico, h3ve historically been <br /> <br />credited tOl-lard the 1,SOD,OOD acre-feet per year '1elivery requirp"lent <br /> <br />of Colorado 1iver \'Jater to :,lexico (1944 United States-",cxico \!atf'r <br /> <br />Tre~ty) . :Ii 5 tori ca IIy, these f1 O\'iS :,av,:, been ilbout 125, rJOO ,'Icrf'-f2ct <br /> <br />of drain flO\~ and 15,OOrJ acre-feet of \laste\BY flow annually. PU!'1ping <br /> <br />by '~exico \'li11 10\'ler n,round-\'mter elevations and \.:111 extensively redlJce <br /> <br />the amount of r1rai na<]e flOl-IS fron the Yurla 'lull ey. ~Ii tilout tl1e project, <br /> <br />the present annual flO'l'is of about 120,OOQ ilcre-ft:et at the Southerly <br /> <br /> <br />Internati ona 1 ~oundary \1111 '1raduCllly be reduced to 15,000 Clcre-feet of <br /> <br />existin'1 canal I'/astel1ay flOl'I. In order to naintain thp Treaty flol'ls to <br /> <br />'~xico, any reduction in th0 deliveries ~t the Southerly Intern~tional <br /> <br />Soundary resultino fro"l rUl1pinn by :lcxico \'IOllld have to be nade up flY <br /> <br />correspondi n'1 i ncreaser\ del iveri es at the 'Iortherly Internati ona 1 ~o\Jndar'y <br /> <br />vii th \later from ot:1,or sources. 'Inner oresent con,ji ti onS, thi scan n:l :lone <br /> <br />on ly by re 1 eas in'} addithna 1 river s t0raoe ':Iaters not no\" CD:Tlitted to <br /> <br />:lcx;co. <br /> <br />'~exi co' 5 rU!1~i nr, of 1 G'J, ')1')" acre-f~rt 0" \)~tp.r per year fro!'] <br /> <br />the underground \later reservoir \'fill result in the de~letion of this <br /> <br />reservoi r l'lhi ch underl i es 1 ands i;] both '~exi co ar'! tiw !initc..1 :; l:at.cs. <br /> <br />This is Je~letion of a ;'Iilter r"sourC2 l)hic:l ori:lin't"s :'ti'1ill'11y il1~hc <br /> <br />J:liL:u States dU2 to perco12tioil of Colorn,.-lo ~i\/i~r ir'riT)~ior: l.!;:t~rs ;;1 <br /> <br />3 <br />