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<br />report to the Environmental Protection Agency and to state <br /> <br />N <br />CJ1 <br />N <br />to <br /> <br />water resource and pollution control agencies summarizing the <br /> <br />results achieved by the salinity control program and the <br /> <br />effect of other actions in the Basin having an influence on <br /> <br />salinity. This report covers the period October 1, 1985 - <br /> <br />September 30, 1986. <br /> <br />Water Supply <br /> <br /> <br />The natural flow at Lee Ferry, as determined by the U.S. <br /> <br /> <br />Bureau of Reclamation (Reclamation) for the water years 1973 <br /> <br /> <br />through 1986 is shown on Table 1. <br /> <br />TABLE 1 <br />Natural Flow at Lee Ferry <br />(1,000 Acre-feet) <br /> <br />Water Year <br /> <br />Flow <br /> <br />1973 <br />1974 <br />1975 <br />1976 <br />1977 <br />1978 <br />1979 <br />1980 <br />1981 <br />1982 <br />1983 <br />1984 <br />1985 <br />1986 <br /> <br />19,435 <br />13,307 <br />16,150 <br />10,723 <br />5,023 <br />14,660 <br />17,337 <br />16,935 <br />7,433* <br />16,126* <br />23,140* <br />24,500* <br />20,300* <br />21,400* <br /> <br />*Provisiona1 <br /> <br />The natural flow for 1977 at Lee Ferry of 5.023 maf was the <br /> <br />driest year on record for the period 1906-1985, and 1984, <br /> <br />lith a flow of 24.5 maf, was the wettest. The period 1983 <br /> <br />JhrOUgh 1986 has been a significant per iod of above normal <br /> <br />-2- <br />