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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />delivered to Mexico in the bed of the river above Morelos Dam as stipulated in Point I of Minute <br />No. 242. The quantities of water delivered at these points were less than the annual volume referred <br />to in Minute No. 242 because of the effects of pumping in prior years of groundwater from the <br />Yuma Mesa wells, the protective and regulatory pumping wells in the U.S., drainage wells in the <br />Yuma Valley and the Mexican wells near San Luis. <br /> <br />The average annual salinities of the waters delivered to Mexico on the land boundary at San Luis <br />under Minute No. 242, since it became effective on June 24, 1974, are tabulated as follows: <br /> <br /> AVERAGE ANNUAL SALINITY (U.S. COUNT) <br /> AS TOTAL DISSOLVED SOLIDS <br />YEAR (PPM) <br />1974 (Jun 2S - Dee 31) I,SIS <br />1975 I,SOO <br />1976 1,480 <br />1977 I,SIO <br />1978 1,470 <br />1979 I,S38 <br />1980 I,S82 <br />1981 I,S72 <br />1982 1,470 <br />1983 1,434 <br />1984 1,487 <br />1985 I,S13 <br />1986 1,496 <br />1987 1,431 <br />1988 1,488 <br />1989 1,300 <br />1990 1,333 <br />1991 1,223 <br />1992 1,312 <br />1993 1,306 <br />1994 1299 <br /> <br />The above data show that the salinity in 1994 was lower than that of the water customarily delivered <br />on the land boundary, which averaged about 1,540 ppm for the to-year period 1963-1972. <br /> <br />Progress on U.S. Measures Provided for in Public Law 93-320 <br /> <br />The Yuma Desalting Plant (YDP) has been off-line since the first part of 1993, when the concrete <br />lining of the Wellton-Mohawk drainage canal was damaged by flood waters from the Gila River. <br />The damages have been repaired. <br /> <br />5 <br />