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<br />~ <br />o <br />"'.1 <br />c,,;, <br /> <br />Since implementation of the Colorado River salinity program <br />began in 1975, the irrigation r~turn flows have been reduced <br />about half or approximately 100,000 acre-feet. This has <br />been accomplished through the installation of over 1,386,000 <br />ft. (262.6 miles) of concrete ditch linings, 44,724 acres of <br />land leveling, and 10,635 water control structures in addi- <br />tion to a concerted effort to obtain irrigation water man- <br />agement (IWMl on all 48,195 planned acres. There remains <br />112 active contracts covering 13,541 acres for which addi- <br />tional IWM activity will be carried out by the Wellton Field <br />Office staff. <br /> <br />All construction work has been completed and all payment <br />applications and final status reviews have been submitted <br />during this final year of implementation. Federal costs <br />were $2,426,879 while local individual farmer cost was <br />$B08,960. To date Federal cost for installation of all faci- <br />lities has been $lB,209,268. <br /> <br />Title II Programs <br /> <br />Bureau of Reclamation <br /> <br />In addition to construction of three units and planning <br />activities on 12 units, Reclamation is carrying out research <br />programs utilizing expertise in the Engineering and Research <br />Center on such activities as solar salt gradient ponds, ion <br />exchange softening, and use of saline water for powerplant <br />cooling. Further descriptions of the research activities <br />are in another section of this report. <br /> <br />Bureau of Land Manaqement <br /> <br />The present salinity efforts of the Bureau of Land <br />Management (BLM) have concentrated on the identifications <br />and recommendations for control of significant saline source <br />areas on public lands. BLM has developed a resource man- <br />agement planning system that is multiple-use oriented, but <br />emphasizes solutions to specific issues. <br /> <br />Passage of amendments to the Colorado River Bas'n Salinity <br />Control Act in 1984 required BLM to develop a comprehensive <br />salinity control program, and to report to Congress and the <br />Colorado River Basin Salinity Control Advisory Council con- <br />cerning this program. Utilizing the planning system, saline <br />source areas and management options for control of these <br />sources are being identified. Watershed activity plans <br />addressing salinity and implementation actions will be con- <br />ducted as funds permit. <br /> <br />15 <br />