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Disapproval of Revised Willamette Basin Mercury TMDL

Below is a copy of EPA's disapproval of Oregon's revised Willamette Basin Mercury Total Maximum Daily Load (TMDL) submitted to EPA on November 22, 2019. EPA's Decision Rationale is included.

Disapproval of Revised Willamette Basin Mercury TMDL (pdf) (1.44 MB, November 29, 2019)
EPA's disapproval notice and Decision Rationale.