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<br />. <br /> <br />. <br /> <br />The Upper Colorado River Basin Compact is comprised of twenty""ne <br />articles, five of which deal with tributary rivers. The Upper Basin apportionment <br />, <br />from tha Colorado River Compact is divided among the Upper Basin States in <br />Article 1II as follows: <br /> <br />(8) SUbject to the provisions and limitations contain'" <br />ed in the C.olorado River Com~act and in this Compact, <br />there is hereby apportioned [rom the Upper Colorado <br />River System in perpetuity to the States of Arizona, <br />Colorado, New Mexico, Utah end Wyoming, res\?ec- <br />tively, the consumptive use of water as follows: <br /> <br />(1) To the State of Arizona the consumptive use <br />of 50,000 acre-feet of water per annum. <br /> <br />(2) To the States of Colorado, New Mexico, Utah <br />and Wyoming, respectively, the consumptive use <br />per annum of the quantities resulting from the <br />application of the following percentages to the <br />total quantity of consuml?tive use per annum <br />apportioned in perpetuity to and available for use <br />each year by Up~er Basin under the Colorado <br />River Compact snd remaining after the de- <br />duction of the use, not to exceed 50,000 aere- <br />feet per annum, made in the State of Arizona. <br /> <br />State of Colorado <br />State of New Mexico <br />State of Utah <br />State of Wyoming <br /> <br />51.75 percent <br />11.25 percent <br />23.00 percent <br />14.00 percent <br /> <br />""'. <br /> <br />SALINITY IN THE COLORADO RIVER <br /> <br />In order to fully understand the issues presented in this aetipn by the inter- <br /> <br /> <br />state compacts, it is necessary to start with a factual background of salinity in the <br /> <br /> <br />Colorado River. The river has historically carried a large dissolved mineral load <br /> <br /> <br />resulting in salinity concentrations higher than in most other rivers. The basin <br /> <br /> <br />encompasses some 242,000 square miles in the United States. A great deal of this <br /> <br />land is federally owned or controlled either as national forests, ~arks, monuments, <br /> <br />or lndian reservations. or as publicly owned land. It was in part due to this <br /> <br /> <br />ownership of land that Congress undertook the financial responsibility in the <br /> <br /> <br />Colorado River Salinity Control Act of 1974 to initiate the sixteen proposed salinity <br /> <br />con trol projects. <br /> <br />-7- <br /> <br />./1.9< <br />