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Klamath Falls, OR—The Oregon Department of Environmental Quality issued a proposed plan for controlling temperature pollution in the Klamath and Lost River watersheds. The plan is called a Total Maximum Daily Load, or TMDL.

The TMDL analyzes sources of temperature pollution and identifies pollution reduction efforts necessary to improve water quality in the Upper Klamath and Lost Rivers and streams in those watersheds.

Temperature increases in rivers and streams can be harmful to fish and other aquatic life, worsen other ecological factors in the waterways, and threaten beneficial uses like fishing and recreational activities.

The federal Clean Water Act requires a TMDL for water bodies that do not meet federal water quality standards. A TMDL establishes pollutant limits sufficient to meet approved water quality standards.

The TMDL includes a list of the cities, counties, federal and state agencies, irrigation districts and industries that have responsibility for reducing pollution under their control. DEQ will work with these entities to develop and implement management plans to improve water quality.

DEQ will hold a public hearing on the draft plan at 5:30 p.m. on Wednesday, June 26 at the Oregon Institute of Technology in the Bailey/Thielsen Room, 3201 Campus Drive in Klamath Falls. DEQ is accepting public comments on the draft TMDL through July 15.

View the public notice:

Contact: Laura Gleim, DEQ public affairs, 541-633-2030,


Environment & Energy