Bonneville Power Administration (BPA) proposes to provide funds to the Nez Perce Tribe (NPT) to replace an existing 65-foot-long, 10-foot-wide corr…
Office of NEPA Policy and Compliance
May 29, 2025Bonneville Power Administration (BPA) proposes to provide funds to the Nez Perce Tribe (NPT) to replace an existing 65-foot-long, 10-foot-wide corrugated metal arch pipe with a 60-foot-long, 15-foot-wide four-sided concrete box culvert following Washington Department of Fish and Wildlife (WDFW) stream simulation design guidelines to ensure natural stream functions and fish passage through the structure.