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<br />12/4/79 <br /> <br />N <br />W <br />c.o <br />N <br /> <br />Third Annual <br />Progress Report <br />WElt."l (,1uElli ty Standard" for Salin:; Ly <br />CoJnrEldo Rjver System <br />December 1979 <br /> <br />Prepared by the <br /> <br />Colorado River Basin Salinity Control Forum <br /> <br />'.~' <br /> <br />In 1975, the seven-state Colorado River Basin Salinity <br /> <br /> <br />Control Forum prepared a report which included numeric criteria <br /> <br />and a plan of implementation and recommended that each state <br />adopt the report 8S its salinity standards, Each of the Colo- <br />rado River Basin states adopted the recommended standards which <br />were approved by EPA in November 1976, <br />The Clean Water Act of 1977 (P. L. 92- 500 as amended by <br />P.L. 95-217) requires that water quality standards be reviewed <br />at least once each three-year period. Accordingly, during <br />1978, the Forum revised the existing state-adopted and Environ- <br />mental Protection Agency (EPA) approved salinity standards <br />and recommended adopt",ion by the states. <br />The plan of implementation of the revised 1978 standards <br />reauires that the Forum's permanent Work Group analyze the <br />progress and results of the salinity control program as well <br /> <br />as other actions in the basin which impact on the river's <br />salinity, In addition, the states, through the Forum, have <br />agreed to submit an annual report to the Environmental Protec- <br /> <br />tion Agency summarizing the results achieved by the salinity <br />control program and the effect of other actions in the Basin <br />having an influence on salinity. This report presents infor- <br />mation on changes occurring during the year October 18, 1978 - <br /> <br />October 17, 1979, <br />