An official website of the State of Oregon
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DEQ issues 401 certifications for hydroelectric projects and the Federal Energy Regulatory Commission administers the federal licensing process. The water quality certification typically includes operating conditions designed to ensure project operations will not violate water quality standards.
DEQ's letter of objection to EPA's draft NPDES permits for Lower Columbia River
Evaluation and Findings Report
License Amendment - Evaluation and Findings Report
Valerie Thompson Section 401 Hydropower Program
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