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<br />2. To determine the opportunity for reducing salt loading (1) by reducing <br />seepage and deep percolation losses through improving off-farm con- <br />veyance systems and onfarm irrigation efficiencies and (2) by control- <br />ling erosion and reducing sediment delivery from irrigated and non- <br />irrigated croplands and contributing private watershed areas. <br /> <br />This study corresponds to the primary objective of salinity control as <br />set forth in the Colorado River Basin Salinity Control Act (Public Law <br />93-320) and is coordinated with studies of other federal, state and local <br />agencies in the area. <br /> <br />Salinity control contributes to the water quality. improvement aspects <br />of the Environmental Quality (EQ) objective as described in the Principles <br />and Standards for Planning Water Resources, published by the U.S. Water <br />Resources Council. The Act also recognizes the contribution that will be <br />made to the Economic Development (ED) objective. By reducing salt loading <br />the value of the Nation's output of goods and services will be increased. <br />Components of the EQ and ED objectives in this study are: <br /> <br />Environmental Quality (EQ) - Improve water quality by reducing the <br />sediment and salt load to the Colorado River and enhance fish and <br />wildlife resources. <br /> <br />Economic Development (ED) - Increase the efficiency of agricultural <br />production by improved irrigation efficiency and reduced downstream <br />salinity damages. <br /> <br />The significant effects of the alternative plans are displayed in <br />three accounts. These include Economic Development, Environmental Quality, <br />and Social Well-Being. See the Alternative Plans section of this report. <br /> <br />The objective of the planning efforts is an implementation plan of <br />action to accomplish the program objectives. The primary focus of the <br />plan is to reduce salt discharges to the Colorado River by controlling <br />salinity and erosion from irrigated and other private lands. <br /> <br />This study is coordinated with WPRS planning on LaVerkin Springs and <br />the Lower Virgin River Units through the Interagency Salinity Control <br />Advisory Committee. <br /> <br />Public Involvement Process <br /> <br />The Local Interagency Salinity Control Committee provides a forum <br />for discussion of study findings and proposals, coordinates study <br />activities and directs the public information program. This committee <br />was organized on July 10, 1979 in Las Vegas. Prior to organization of <br />the committee, public meetings were held to obtain local input. A meeting <br />was held with WPRS's Interagency Planning Team for their Lower Virgin River <br />Unit Salinity Study. <br /> <br />3 <br /> <br />002683 <br />