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<br />(...) <br />Co" <br />N <br />00 <br /> <br />next 3 years. In the long term, the Forum salinity projections <br />appear reasonable for the assumptions used. During our analyses, <br /> <br />we also observed a significant deviation in the runoff-salt load- <br /> <br /> <br />relationship for the past several years. Preliminary findings indicatl <br /> <br />a statistically significant reduction in salt load entering Lake Powel" <br />We are undertaking a detailed examination of the hydrologic data in <br />an attempt to ascertain the underlying reasons for this reduction <br />and the implications as to salinity control. Similarly, we are <br />undertaking an effort to model the thermal and chemical processes <br />taking place in Lakes Powell and Mead to provide a better basis for <br />estimating future changes in the salinity of those reservoirs. <br /> <br />Reclamation activities associated with the plan of implementation <br />for meeting Colorado River salinity standards include the construction <br />of two authorized projects, feasibility studies leading to authorizatio <br />and construction of 11 additional salinity control units, advance <br />planning on the authorized Las Vegas Wash Unit, and steps to encourage <br />industrial use of saline and/or brackish waters. We are making <br />significant progress on const~uction of the GrandValley and Paradox <br />Valley salinity control units. The well field for the Paradox Valley <br />Unit is operating successfully and is now being fine tuned; designs, <br />specifications, and permit applications are being prepared for brine <br /> <br />disposal using deep well injection. In Grand Valley, construction of <br />Stage I is proceeding more rapidly than earlier anticipated, with <br />lining of the Highline Canal completed last spring and the contract for <br />the pipe laterals just recently having been awarded. Planning for <br />Stage II is continuing with the intent of beginning additional con- <br />struction as soon as Stage I monitoring results can be incorporated <br />into the plans. <br /> <br />39 <br /> <br />1; .;1 <br />