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<br />. <br /> <br />. <br /> <br />. <br /> <br />o <br />,h- <br />en <br />01 <br /> <br />DoloreslMcElmo Creek Unit, Colorado <br /> <br />The major features of the project are now complete and have been transferred to operational <br />status. This will conclude the improvements planned for the Unit authorized by P.L. 98-569. <br />Repayment for this unit is nearly complete. The Lower Basin Fund has been repaying <br />expenditures in the year after they occur. The Upper Basin Fund has paid its full allocation to <br />avoid further interest charges. <br /> <br />Grand Valley Unit, Colorado <br /> <br />This unit is nearly finished. Work on the Price and Stubb Ditch laterals will completed in 1998. <br />This will conclude the improvements planned for the Grand Valley Unit authorized by P.L. 93- <br />320. The administration requested $4.3 million in FY-98 to complete this unit. <br /> <br />Lower Gunnison Basin Unit, Colorado <br /> <br />The winter water replacement system authorized by P.L. 98-569 has been completed. The <br />Lower Basin Fund has been repaying expenditures in the year after they occur. The Upper <br />Basin Fund has paid its full allocation to avoid further interest charges. The remaining portion <br />of the project, the East Side Lateral portion, will compete for funding in Reclamation's <br />Basinwide Program under the authorities of P.L. 104-20. <br /> <br />Paradox Valley Unit, Colorado <br /> <br />The 2-year injection test has been completed and indicates that the injection zone is capable of <br />receiving brine for over 10 years. Reclamation has purchased and installed continuous serv'ice <br />pumps to replace the variable rate pumps used in the 2-year test. The pumps have been in <br />service for about 1 year and are working well. <br /> <br />Reclamation plans to continue to blend fresh water into the brine to prevent sulfate precipitation <br />in the injection well. This limits the injection to a maximum of 128,000 tons per year. Nano- <br />filtration of sulfates is being investigated and may allow for higher concentrations of brine to be <br />injected. This may allow up to 180,000 tons per year to be injected. Laboratory tests by Dow <br />Chemical found the membrane effective at removing sulfates from the brine. In 1996, <br />Reclamation executed a cooperative agreement with Dow to test the process onsite. The test <br />filtration facility was installed in the summer of 1996. The study will run through November <br />1997. The results will be used to determine the cost effectiveness of adding nano-filtration to <br />the process stream. Reclamation will also reconsider an evaporation alternative in FY -98 to <br />dispose of a part of the remaining salt load. <br /> <br />Basinwide Salinity Program (p.L. 104-20) <br /> <br />In July 1995, Public Law 104-20 was signed into law. It authorizes the Secretary to implement <br />a basinwide salinity control program, directs the Secretary to prepare a planning report on the <br />new program, and authorized $75,000,000 to be appropriated. <br /> <br />I7 <br /> <br />. <br />~, . ~P~;"A~._^_ _~~n Jt,<~;;~ <br />