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<br />N <br />~ <br />CJ1 <br />c..., <br /> <br />The Soil Conservation Service is conducting a study <br />on the Colorado River Indian Reservation aimed at improving <br /> <br />water use efficiency through delivery system improvements <br />and on-farm practices. Implementation of such measures <br />is expected to provide some salinity control benefits. <br />California - A Colorado River salinity issue was <br />identified in 1978 as part of the statewide non-designated <br />208 planning area. A cooperative study was initiated by <br />the Regional Water Quality Control Board, U.S. Geological <br />Survey, Palo Verde Irrigation District and the Colorado <br />River Board of California. The U.S. Geological Survey <br />issued a report on the initial year's activities. Studies <br /> <br />confirmed that a small area of Palo Verde Valley is con- <br />tributing the major portion of the agricultural salt pick- <br />up in the Valley. The report recommended further evaluation <br />of the ground water system. Because of funding limitations, <br />the Colorado River salinity issue was not included among <br />the 208 issues funded by EPA for continuation in 1979-80. <br />However, the WPRS did agree to fund the continuation of <br />this salinity issue. <br />WPRS, in cooperation with the U.S. Geological Survey, <br />Palo Verde Irrigation District and Norton Farms, has <br />initiated a test flushing program on 320 acres in Palo <br />Verde Valley which have been identified as contributing <br /> <br />-27- <br /> <br />t;\ <br />'f <br /> <br />,'I', <br /> <br />\'.,' <br />