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Winter 2022 Newsletter

October 22, 2025

Highlights of NWEA’s activities for 2022

This letter constitutes the U.S. Environmental Protection Agency (EPA) Administrator’s Determination (Determination), pursuant to Clean Water Act (CWA) Section 303(c)(4)(B), that new and revised water quality standards (WQS) in Washington are necessary to satisfy the requirements of the CWA.

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