The Local Perspective on Agricultural Drainageby Stephen K. Hall, Land Preservation Assoc, Fresno, CA, USA,
Abstract: This paper discusses shallow, perched groundwater and resulting agricultural drainage and salt problems that have developed in the San Joaquin Valley of California over the past 30 years. The relatively recent discovery of high levels of selenium and other trace elements in the saline drainage water generated from one of the most productive agricultural areas in the world has made it difficult to develop acceptable disposal methods for this water. Politics and emotion, plus Federal and State environmental and water quality regulations, have compounded the problem. The processes used by the local water agencies in addressing this problem, and the coordination of efforts utilized with treatment and disposal plans are presented.
Subject Headings: Drainage | Salt water | Water treatment | Water resources | Agriculture | Water content | Irrigation water | Groundwater | Selenium | North America | California | United States
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