19 Oct 2022

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.

9 Sep 2022

Corps to Host Public Meeting for Bradford Island Superfund Project

The United States Army Corps of Engineers (USACE), Portland District, hereby notifies interested parties that a public meeting will be held on October 19, 2022, from 5:30-8:00 p.m. to present information on the Bradford Island Superfund project located in Cascade Locks, Ore. The meeting will be both in person and via Zoom.

7 Apr 2022

Open house events for Lower Columbia River Federal Navigation Channel Maintenance Plan Dredge Material Management Plan

The Corps and the Columbia River non-federal Sponsors Ports are hosting five information sessions April 26-28 to update the public on the Lower Columbia River Channel Maintenance Plan (LCR CMP) Dredge Material Management Plan (DMMP).

14 Oct 2021

Seeking public comments for Maintenance Dredging at Tongue Point and Oregon Slough

Expiration date: 10/28/2021

The U.S. Army Corps of Engineers, Portland District (Corps) proposes to perform maintenance dredging of two federal navigation channels in Oregon State: Tongue Point and Oregon Slough. The purpose of the proposed action is to facilitate safe and reliable navigation. Congress has authorized construction and maintenance of the two navigation channels at various times.

8 Sep 2017

The Corps and Columbia River Ports jointly preparing an environmental impact statement (EIS) for The Lower Columbia River Federal Navigation Channel Maintenance Plan

Interested parties and tribes are hereby notified that the Portland District of the Corps and the Sponsor Ports are preparing a joint Environmental Impact Statement (EIS) for The Lower Columbia River Federal Navigation Channel Maintenance Plan (Plan) and are seeking public input during an extended scoping period, from September 8 through November 16, 2017.

25 Jul 2016

Final EA and FONSI: Columbia Stock Ranch

The final environmental assessment for the Columbia Stock Ranch Section 536 Ecosystem Restoration Project and the U.S. Army Corps of Engineers, Portland District’s Finding of No Significant Impact is available.

12 Jul 2016

Columbia Stock Ranch Ecosystem Restoration Project

The U.S. Army Corps of Engineers and Bonneville Power Administration are preparing to construct an ecosystem restoration project on the Columbia Stock Ranch to restore structure and function of floodplains to improve juvenile fish habitat. The Corps and BPA are meeting with members of the Deer Island Drainage Improvement Company, some of whom expressed concerns about the CSR project and its potential impacts. Meetings will take place in the Armstrong Room of the St. Helens Public Library, 375 S. 18th St., St. Helens, Oregon.

23 Feb 2016

Portland District 2016 annual maintenance navigation lock closure

The U.S. Army Corps of Engineers will close navigation locks at dams on the lower Columbia River in March to conduct routine annual inspections and preventative maintenance.

2 Dec 2014

Columbia River locks to close March 7 - 21, 2015

Navigation locks at Bonneville, The Dalles and John Day dams will be closed for annual inspection, maintenance and repair from March 7 to 21, 2015.

4 Apr 2014

Draft EA: Columbia River federal navigation channel operations and maintenance dredging

We are seeking public comments on a draft Environmental Assessment for Columbia River federal navigation channel operations and maintenance dredging; responses should include the public notice number CENWP-PM-E-14-05 and be postmarked by May 4, 2014.