DOE/EIS-0436: Notice of Intent to Prepare an Environmental Impact Statement

I-5 Corridor Reinforcement Project; Multnomah County, Oregon, and Cowlitz and Clark Counties, Washington

Office of NEPA Policy and Compliance

October 13, 2009

I-5 Corridor Reinforcement Project; Multnomah County, Oregon, and Cowlitz and Clark Counties, Washington

DOE’s Bonneville Power Administration (BPA) announced its intent to prepare an EIS that evaluates the potential environmental impacts of a BPA proposal to build a 500-kilovolt (kV) lattice-steel-tower transmission line that would run from a new 500-kV substation near Castle Rock, Washington, to a new 500-kV substation near Troutdale, Oregon. 

For more information, see I-5 Corridor Reinforcement Project.

Download Document

  • EIS-0436-NOI-2009.pdf
    Notice of Intent to prepare an environmental impact statement for the construction, operation, and maintenance of a proposed 500-kilovolt transmission line and associated substations in Cowlitz and Clark Counties, Washington and Multnomah County, Oregon.