Bonneville Power Administration (BPA) is proposing to replace two steel lattice towers on the Sammamish-Maple Valley No. 1 transmission line (15/5 …
Office of NEPA Policy and Compliance
July 24, 2025
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Bonneville Power Administration (BPA) is proposing to replace two steel lattice towers on the Sammamish-Maple Valley No. 1 transmission line (15/5 and 23/1) that were damaged in the bomb cyclone that occurred in the Seattle, Washington region in early 2025.