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  • Public Comment Period Open for Long Tom Channel Improvement Project

    Expiration date: 6/30/2023

    The Corps is proposing modifications to the Long Tom Channel Improvement Project in Benton County, OR. The Recommended Plan, total removal of the Monroe Drop Structure, would restore approximately 43 acres of aquatic and floodplain habitat, enhance connectivity to a historic meander through installation of a larger culvert and engineered pool and riffle structure, and armoring of the OR-99 bridge piers to prevent scour caused by increased velocities upstream of the drop structure.

  • Finding of No Significant Impact - Temporary Storage of Dredged Material

    A Finding of No Significant Impacts (FONSI) was based on the environmental assessment to address the project purpose to provide an in-water holding area for temporary storage of dredged material from the lower Columbia River (LCR) federal navigation channel (FNC) and then re-dredge the material and deposit it permanently in an existing upland placement site.

  • Seeking Public Comments: Maintenance Dredging Lower Columbia River

    Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (Corps) proposes to perform advance maintenance dredging at the mouth of the Cowlitz River near Longview, Washington.

  • Environmental Assessment of Dexter Fish Facility Upgrades Open for Public Comment

    The purpose of the Corps’ Proposed Action is to make improvements to the Dexter Fish Facility by May 31, 2026 to reduce stress and injury to adult Upper Willamette River spring Chinook salmon during collection and release of fish during their upstream migration in the Middle Fork Willamette Sub basin.

  • Corps seeks comment on Environmental Assessment of Tillamook S. Jetty Repairs

    This Draft Environmental Assessment (EA) documents the potential environmental impacts associated with the Tillamook South Jetty Repairs Project (i.e., the “Proposed Action”) South Jetty.