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Water Quality |
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Water Quality Standards |
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Water Temperature StandardOregon's Temperature Standard Oregon’s current temperature standard was adopted by the Oregon Environmental Quality Commission in December 2003. The Environmental Protection Agency approved much of the standard in March 2004, and approved additional provisions in March 2010. DEQ revised the standard in February 2007 in response to EPA’s disapproval of the 2003 narrative criteria for cool water species, natural lakes and oceans and bays. EPA approved the revised narratives in February 2011.
Beneficial use designations used to determine applicable temperature criteria: Information and Guidance Documents
EPA Temperature Guidance
Federal Court Opinions and Orders
Related Documents |
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For more information about DEQ's Water Quality Standards contact Debra Sturdevant by phone at (503) 229-6691 or by e-mail.
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