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Sandy Basin

TMDL approved by EPA on April 14, 2005
Sandy Basin: The Lower Columbia-Sandy Subbasin TMDL for temperature was adopted by the Environmental Quality Commission into rule on Aug. 6, 2024. EPA approved the TMDL on Sept. 12, 2024. Visit the Lower Columbia-Sandy Subbasin web page for the TMDL and associated documents and information.

Background information

 

Thermal Infrared Remote Sensing Survey reports

Contact

Sarah Mattecheck
Sandy Basin Coordinator
503-816-6923