Remediation and Mitigation Associated with Contamination of Water by Irrigation Drainage

by Richard A. Engberg, Dept of the Interior, Washington, United States,
Anthony J. Cappellucci, Dept of the Interior, Washington, United States,

Document Type: Proceeding Paper

Part of: Urban and Regional Conflict Resolution in Water Related Issues


Inorganic trace constituent or pesticide contamination problems associated with irrigation drainage from Federally constructed or managed irrigation projects have been identified in several Western States. Selenium is the constituent most frequently detected at elevated concentrations in water, bottom sediment, and biota. Remediation has been accomplished and mitigation is underway for Kesterson Reservoir in California; a remediation plan has been prepared for the western San Joaquin Valley in California. Planning for possible remediation has begun for 4 other areas in California, Nevada, Utah, and Wyoming. Remediation and mitigation issues discussed include legal authority for remediation; repayment of remediation costs; and National Environmental Policy Act compliance.

Subject Headings: Water pollution | Remediation | Irrigation water | Drainage | Environmental issues | Water quality | Water policy | Water supply | United States | California | Nevada | Utah | Wyoming

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