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<br />. <br /> <br />. <br /> <br />EXHIBIT D <br /> <br /> <br />tv <br />tv <br /><:'C <br />. ., <br />... <br /> <br />Summary of Statement By <br /> <br />Warren D. Fairchild <br /> <br />Assistant Commissioner - Resource Planning <br /> <br />Bureau of Reclamation, Department of the Interior <br /> <br />To the Committee of 14 <br /> <br />Washington, D. C. <br /> <br />May 24, 1972 <br /> <br />Water Quality Improvement Program for the Colorado River <br /> <br />The Colorado River is a naturally saline river. It is estimated that <br /> <br />around the turn of the century the level of salinity in the lower <br /> <br />reaches of the Colorado River was approximately 700 parts per million. <br /> <br />The present levels of salinity in the riv~r v~ry hy rea~h~s fr0~ <br /> <br />approximately 300 partS per million near Glenwood Springs, Colorado, <br /> <br />to 865 parts per million in the vicinity of the Imperial Dam on the <br /> <br />lower river. Because of the activities and developments by man the <br /> <br />salinity of the river has been increasing in recent years; This increase <br /> <br />in salinity and the projected increases which are envisioned with future <br /> <br />development have given rise to a strong support for a salinity control <br /> <br />program in the basin. <br /> <br />Recent publications by the Environmental Protecti.on Agency and the <br /> <br />Colorado River Board of California have projected that the salinity of <br /> <br />the ri.ver in the vicinity of Imperial Dam will reach somewhere between <br /> <br />1,200 to 1,300 parts per million by the year 2000, depending upon the <br /> <br />as.sumptions which are used in regard to the level of development. <br />