Categorical Exclusion Determination
Office of NEPA Policy and Compliance
January 16, 2019
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Bonneville Power Administration proposes to loop its existing Winthrop Tap to Twisp-Okanogan 115-kilovolt transmission line into Okanogan Public Utility District’s Twisp Substation via Okanogan Public Utility District’s rebuild of a portion of its existing Twisp-Okanogan 115-kilovolt single-circuit transmission line to a new double-circuit line.