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<br />SALINITY CONTROL PLAN <br /> <br />and <br /> <br />FXIlAL mrvXROIlHDl'l'AL DlPACT STATEHBIl'l' <br /> <br />MOAPA VALLEY UNXT <br /> <br />Colorado River Basin Salinity Control Program <br /> <br />Clark County <br />Nevada <br /> <br />Prepared by: United States Department of Agriculture (USDA) <br />Soil Conservation Service <br /> <br />Cooperating Agencies: Cooperative Extension Service . <br />USDA Agricultural Stabilization and Conservation Service <br />Clark County County Conservation District <br /> <br />For additional information, contact: <br /> <br />william D. Goddard, State Conservationist <br />Soil Conservation Service <br />.5301 Longley Lane, Building F, Suite 201 <br />Reno, Nevada 89511 <br />(702) 784-5863 <br /> <br />Abstract: This document describes a plan to reduce salinity in the <br />Colorado River System by improving irrigation systems and <br />irrigation water management on 4,860 acres and improving <br />the delivery system to 2,690 acres in Moapa Valley. These <br />practices will reduce deep percolation which dissolves <br />salts from saline soils underlying irrigated fields and <br />carries them into the river. Total installation costs are <br />estimated at $10,350,000; Landowners will pay 30 percent <br />of construction costs. The project will reduce salt load <br />in the river system by 18,700 tons each year, compared to <br />the future without a project, at a cost to the federal <br />government of about $38 per ton. This document is intended <br />to fulfill requirements of the National Environmental <br />Policy Act. <br /> <br />January 1993 <br /> <br />003127 <br />