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<br /> <br />c..":> <br />00 rITROrxr("TTI')N <br />W <br />--l <br /> <br />io'. ;'later QlIalit...- LI':"~i~la~-i(l!-: <br /> <br />.,rarious .....a...er qua,li\. le.-:isla'i're ac"s ha.,e to:>~r; pass#'!d. amon.. 'rem <br />t'le ;':~~er ~a.lit:l Act of .:. 1")5 which provided for e es"ablis:,r.;en'- of <br />'..ra".er qualit.... s':andar1s for all int~rs+:,ate ....a-e!"s. <br /> <br />Each of the seven Basin States proceeded ~~th actions directed <br />toward establis~~ent of standards for the Colorado River. Ear~{ in <br />the standards-setting process, it Lec~~e apparent to the States that, <br />t-ecause of legal and institutional constraints combined ..with lack of <br />technical }-.n.::ndedge on salinity control ?-od management, it would be <br />very difficult to establish numerical salinity standards ..mieh would <br />be WGrkable. equitable. and enforceable. The seven Basin States sub- <br />sequently neveloped '..'ater quality standards which did not include <br />salini ty standards. <br /> <br />The "Seventh Enforcement Conference in the !>~tter o:f Pollution of <br />the Interstate waters o:f the Colorado River and Its Tributaries" was <br />held in Las Vegas {February 15-17. 1972\ and Denver (April 26-27, 1972). <br /> <br />The conferees concluded that the salinity policy for the Colorado <br />River should have as its objective the maintenance of salinity concentra- <br />tions at or below levels presently found in the Lower ~lain Stem and that <br />programs to implement the policy should be developed on a Basinwide basis, <br />notwithstanding the right of the Upper Basin to continue development of <br />its compact portion of w~ters. The conferees further concluded that the <br />program described in Interior's February 1972 report entitled "Colorado <br />River ',.;rater Quality Improvement Program" should be implemented u.'1der the <br />direction of the Bureau of Reclamation ~th assistance of the Office of <br />Saline Water and Environmental Protection Agency at the Federal level. <br /> <br />5 <br />