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<br />\ <br />. <br /> <br />C. 1948 Upper Basin Compact-necessary to secure Congressional approval of the 1956 a <br />Colorado River Storage Project Act. Divides the consumptive use available to the Upper .- <br />Basin, between the states on a percentage basis <br />1. Colorado -- 51.75% <br />2. New Mexico -- 11.25% <br />3. Utah -- 23.00% <br />4. Wyoming -- 14.00% <br />5. Arizona -- 50,000 AF <br /> <br />D. 1928 Boulder Canyon Project Act, 45 Stat. 1057, and Arizona v. California, 373 U.S. 340 <br />(1964) <br /> <br />1. <br /> <br />California -- 4.4 maf -California's current use is 5.2 maflyr. California has been <br />legally borrowing unused apportionment water from Nevada and Arizona. <br />a. Palo Verde, the Yuma Project (Reservation Division), Imperial Irrigation <br />District and Coachella Valley Water District -- 1st three priorities -- 3.85 <br />maf <br />b. Metropolitan Water District of Southern California -- 4th and 5th priorities <br />-- 1.212 maf <br />c. Imperial Irrigation District, Coachella Valley Water District and Palo <br />Verde -- 6th Priority -- 0.3 maf <br />d. Remaining land in Imperial Irrigation District -- 7th Priority <br />e. With full development of operations of the Central Arizona Project in <br />Arizona, the Lower Basin has approached (and exceeded) its basic <br />apportionment of7.5 maflyr. of main stem water. In "normal" years, when <br />the Lower Basin is limited to 7.5 mar, California will be cut back to or <br />toward its basic 4.4 rnaf. This would limit Metropolitan Water District to <br />550,000 AF, as compared its capacity in the Colorado River Aqueduct of <br />1/3 maflyr. <br />Arizona -- 2.8 maf - Arizona's current use is close to 2.8 maf, due to <br />implementation ofthe Arizona Groundwater Banle which diverts water under the <br />Central Arizona Project and recharges it into groundwater basins in Arizona for <br />use within or outside of Arizona. <br />Nevada -- 0.3 maf - Nevada's current use is about 0.2 maf, and growing. <br /> <br />e <br /> <br />2. <br /> <br />3. <br /> <br />E. How much water is there to go around? See attached chart, comparing the water supplies <br />the negotiators of the Compact thought they were allocating in 1922, as compared to <br />today's situation. <br /> <br />F. Status of Current discussions <br />1. 1991 -- states and tribes began discussions toward consensus <br />2. Upper Basin position <br />a. Lower Basin problems should be solved in the Lower Basin <br />(1) Conservation <br />(2) Land fallowing <br />(3) Groundwater banking <br />(4) Exchanges <br /> <br />e <br /> <br />2 <br />