Categorical Exclusion Determination
Office of NEPA Policy and Compliance
August 10, 2018
minute read time
The Bonneville Power Administration owns and operates the Santiam-Chemawa #1 high voltage 230 kilovolt transmission line, which runs from Bonneville Power Administration’s Santiam substation in Marion County, Oregon, to Bonneville Power Administration’s Chemawa Substation, also in Marion County, Oregon. The transmission line requires an upgrade to the line rating to meet federal and national standards. The line is required to be upgraded in 2018.