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<br />l <br />l <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />3735 <br /> <br />Salt Loading Source Inventory <br />Colorado River Basin in Colorado <br /> <br />Salinity has long been recognized as one of the major <br />problems of the Colorado River. The Colorado River and several <br />of its tributaries originate on lands in western Colorado. A <br />significant amount of the Colorado River salt load at Imperial <br />Dam is contributed by man caused and natural sources originating <br />on the 38,542 square miles of Colorado River Basin in Colorado. <br /> <br />Natural sources of salt loading include saline springs and <br />other ground waters in addition to surface erosion and solution <br />of sediments. Most man caused contributions to salt loads are <br />associated with irrigated agriculture or municipal and industrial <br />use of water. <br /> <br />This report is an attempt to identify all available <br />documentation of salt loading source studies produced by <br />various government agencies and institutions. In order to allow <br />for a more orderly presentation of salt loading information, the <br />Colorado River Basin in Colorado has been divided into the <br />following subbasins: <br /> <br />Yampa <br />White <br />Colorado River to Cameo <br />Grand valley <br />Gunnison <br />Dolores <br />San Juan Tributaries <br /> <br />For each subbasin, salt loading information is summarized and <br />gaps or conflicts are discussed. <br /> <br />-3- <br />