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<br />r <br /> <br />...:. <br /> <br />f1,.\'~"" <br /> <br />The implications of the above analysis are that on the-basis of the <br />most recent program and planning documents, plus other information on <br />planned or scheduled water use development in the Upper Colorado River <br />Basin, and assuming the use of 100,000 acre-feet of M&I use from <br />Navajo Reservoir through year 2005, there will remain unused water both <br />within the upper basin's allotment of Colorado water and within the <br />estimate of water availability of 6,550,000 acre-feet consumptive use <br />per year. This is the case even assuming the most adverse determina- <br />tion of the upper basin's obligation toward delivery of water at Lee <br />Ferry. Although Table I shows that New Mexico's use will exceed its <br />permanent allotment in either case (by about 16,000 acre-feet under the <br />present assumptions, and by about 100,000 acre-feet under the most <br />adverse Mexican Treaty assumption), it also shows that the upper basin <br />would have 510,000 acre-feet in year 1990, 302,000 acre-feet in year <br />2000, and 314,000 acre-feet in year 2030 of unused or uncommitted <br />Colorado River water. <br /> <br />.ali:e SRe~;s taat: ~Ra 1::113per sasiR '[:Bulel Ra7B jIg ,000 aere ~cct i~,&ai:' <br /> <br />1998, 362,800 .............. r>;..~L :~4 Jo;.a.~ 2000, c.~J.J J14,000 a~yl.. fcce-i:n-ye~g <br /> <br />sf I:!flt.3Ld a[ ..nt.aR:...~itt{:a Caloyado Ri.e.E' 'tlBtCI.- <br /> <br />The issue of the possibility of allotments of much greater quantiti8s of <br /> <br />water to Indian Tribes on a permanent basis under the "Winters" concept <br /> <br />has also created concern as to availability of water for industrial use <br /> <br />in New Hexico. <br /> <br />It is well recognized that large permanent allotments of water to any or all <br /> <br />of the four Indian Tribes of the San Juan River Basin may eventually be <br /> <br />granted either by judicial, executive, or legislative action. Since the <br /> <br />proposed contract with El Paso contemplates only a temporary use, ',e <br /> <br />need to be concerned about the physical availability of water within the <br /> <br />upper basin's total allotment and at the site of diversion to the Company's <br /> <br />plant in order to certify the water supply for El Paso through 2005, <br /> <br />5 <br />