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<br />. <br /> <br />results achieved by the salinity control program and the <br />C) effect of other actions in the Basin having an influence on <br />CJ1 <br />C) salinity. This report covers the period October 1, 1987 <br />0) <br /> <br />September 30, 1988. <br /> <br />Water Supply <br />The natural (undepleted-unregulated) flow at Lee Ferry, <br />as determined by the U.S. Bureau of Reclamation (Reclamation) <br />for the water years 1973 through 1987 is shown on Table 1. <br /> <br />TA2LE 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 />1987 <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 />7,831* <br />16,403* <br />23,605* <br />23,512* <br />20,162* <br />21,870* <br />16,602* <br /> <br />*Provisional <br /> <br />The natural flow for 1977 at Lee Ferry of 5.023 maf was the <br />driest year on record for the period 1906-1985, and 1983, <br />with a flow of 23.605 maf, was the wettest. The period 1983 <br /> <br />through 1986 has been a significant period of above normal <br />runoff. Each of the four years has had a natural flow in <br /> <br />excess of 20 million acre-feet, with a four year average of <br /> <br />-2- <br />