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UPPER COLORADO RIVER COMPACT <br />October 11, 1948 <br />Signatory States: Arizona, Colorado, New Mexico, Utah and Wyoming <br />Colorado Commissioner: Appointed by the Governor <br />Major Purposes: <br />1. Provide for the equitable division of the waters of the Upper Basin allocated by the terms of <br />the Colorado River Compact (Art. I) <br />2. Establish the obligations of each state of the Upper Basin with respect to required deliveries <br />at Lee Ferry, as set forth in the Colorado River Compact (Art. I) <br />3. Promote interstate comity (Art. I) <br />4. Remove causes of present and future controversies (Art. I) <br />5. Secure the expeditious agricultural and industrial development of the Upper Basin (Art. I) <br />Important Provisions: <br />1. Apportionment of waters of the Upper Basin as follows: <br />Arizona <br />50,000 acre-feet/yr. <br />Of the total beneficial consumptive use allocated to the Upper Basin less the 50,000 acre-feet <br />per year to Arizona, the apportionment is (Art. III): <br />Colorado 51.75% <br />New Mexico 11.25% <br />Utah 23 ,00% <br />Wyoming 14.00% <br />2. The apportionment is based upon the allocation of man-made depletions, and beneficial use is <br />the basis, the measure, and the limit of the right to use. (Art. III) <br />3. No state shall exceed its apportioned use in any water year when the effect of such use is to <br />deprive another signatory state of its apportioned use. (Art. III) <br />12 <br />