OC Comments on TMDL for Temperature in the Columbia and Lower Snake Rivers

On May 18, 2020, EPA issued for public review and comment the Total Maximum Daily Load (TMDL) for temperature on the Columbia and Lower Snake Rivers.

The TMDL addresses portions of the Columbia and lower Snake Rivers that have been identified by the states of Washington and Oregon as impaired due to temperatures that exceed those states' water quality standards.

How to submit comments:

EPA will accept public comments on the TMDL from May 21 through August 20 (extended from July 21). All comments must be sent by email to ColumbiaRiverTMDL@epa.gov by no later than 5pm (Pacific time) on August 20, 2020.