Selenium in irrigated agricultural areas of the western United States

Journal of Environmental Quality
By:  and 

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Abstract

Selenium was recognized as an important aquatic contaminant following the identification of widespread deformities in waterfowl at the agricultural drainage evaporation ponds of the Kesterson Reservoir (California) in 1983. Since then, California has been the focal point for global research and management of Se contamination. We analyzed the history and current developments in science, policy, and management of irrigation-induced Se contamination in California. In terms of management, we evaluated the effects of improvements in the design of local attenuation methods (drainage reuse and evaporation ponds) in conjunction with the development of programs for Se load reductions at the regional scale (namely the Grassland Bypass Project). In terms of policy, the USEPA is currently working on site-specific water quality criteria for the San Francisco Bay Delta that may be a landmark for future legislation on Se in natural water bodies. We provide a critical analysis of this approach and discuss challenges and opportunities in expanding it to other locations such as the Salton Sea. Management lessons learned in California and the novel policy approach may help prevent future events of Se contamination.

Publication type Article
Publication Subtype Journal Article
Title Selenium in irrigated agricultural areas of the western United States
Series title Journal of Environmental Quality
DOI 10.2134/jeq2013.04.0154
Volume 26
Issue 3
Year Published 1997
Language English
Publisher Wiley
Description 9 p.
First page 849
Last page 857
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