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<br />Monitoring continues on the stage One laterals for flow <br />o <br />.+:00 fluctuations or operational problems. The moss and debris <br />()1 <br />W removal str'ucture was installed in 1983, approximately 1 year <br /> <br />ahead of schedule. Monitoring of the stage One area has <br /> <br />shown a reduction in salt load of 15,600 tons of which 14,200 <br />tons was related to the canal and lateral lining and 1,300 <br />tons to the USllA onfarm progl"am in the stage One area. <br /> <br />A recommended plan has been identified in the stage Two <br />draft supplement to the Definite Plan Report. This plan <br />would reduce salinity concentration at Imperial Dam by 14.1 <br />mg/l and result in an overall cost-effectiveness of $618,000 <br />per mg/l. The selected plan includes concrete lining the <br /> <br />west, middle, and east reaches of the Government Highline <br /> <br />Canal and all laterals in the stage Two area except the <br />Redlands. Lining of the middle and east sections of the <br />Government Highline Canal will be deferred until needed to <br />meet goals of the salinity control program. <br /> <br />Reclamation has completed a reevaluation of the salt <br /> <br />load contribution from the Grand Valley al"ea. Although the <br />studies show an estimated salt load reduction of 200,000 <br /> <br />ton/year (780,000 tons vs 580,000 tons) the change in loading <br />did not affect the potential salt reduction by the combined <br />Reclamation and USDA pl"ogram of 410,000 tons pel" year. <br /> <br />Fiscal year 1983 fund i ng for cons true t i on in Grand <br /> <br />Valley amounted to $8,860,000. The FY 1984 budget amount is <br /> <br />$3,915,000. <br /> <br />-9- <br /> <br />;t,<;,;,~ <br />