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).

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.

20 Aug 2014

Draft SEIS: Mount St. Helens Long-Term Sediment Management Plan

We are seeking public comment on the Mount St. Helens Sediment Management Plan Supplemental Environmental Impact Statement. Comments must be received via email, or via traditional mail, must be postmarked by Oct. 6, 2014.

14 Sep 2012

Regional Sediment Evaluation Team meeting Oct. 17

The U.S. Army Corps of Engineers, Northwestern Division, and the U.S. Environmental Protection Agency-Region 10 will host the Regional Sediment Evaluation Team meeting on Oct. 17, 2012, in the Galaxy Conference Room at the Corps’ Seattle District, 4735 E. Marginal Way S., Seattle, WA 98124(Federal Center South).