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<br />approximately 158 miles of pipeline and 43 miles of ditch <br /> <br />N <br />CJ1 <br />w <br />en <br /> <br />lining. Combined, these accomplishments represent about 27 <br /> <br />percent of the total onfarm Grand valley project goal. <br />Off-farm lateral improvements for 1986 consisted of <br /> <br />16,325 feet of pipeline improvements. Total off-farm lateral <br />accomplishments for the project are 39.5 miles of pipelines <br />and 11.1 miles of ditch lining, representing 25.1 percent of <br />the overall off-farm project goal. <br /> <br />Total onfarm seepage and deep percolation reductions in <br /> <br />1986 are 4,318 acre-feet with an estimated 21,293 tons salt <br /> <br />load reduction. <br /> <br />The off-farm improvements in 1986 resulted <br /> <br />in a reduction in deep percolation of 3,126 acre-feet and a <br /> <br />salt load reduction of 11,800 tons. The total USDA program to <br />date has reduced the annual seepage and deep percolation by <br />7,444 acre-feet and reduced the salt load by an estimated <br /> <br />33,093 tons per year. <br />Las vegas Wash (Reclamation) - The estimated salt load <br />reduction from the 3.5 mile Pittman bypass pipeline is 7,000 <br /> <br />tons per year. <br />Another strategy under investigation to further reduce <br /> <br />salinity loading is to use ground water barriers in selected <br /> <br />areas of the wash to develop a ground water detention basin <br /> <br />Water Quality Improvement Program Units (Reclamation- <br /> <br />, <br />, <br />i <br />i <br /> <br />, <br />, <br />I <br />I <br />I <br />! <br />, <br />; <br /> <br />system. A verification of the strategy is being proposed for <br />the Whitney area. <br /> <br />Department of Agriculture) - With the p~ssage of P.L. 98-569, <br />signed on October 30, 1984, Reclamation's planning activities <br /> <br />-9- <br />