25 Apr 2022

Portland Metro Levee System Flood Management Study Finding of No Significant Impact Signed

Expiration date: 4/1/2023

On April 13, 2022, the commander of Portland District Corps of Engineers signed a Finding of No Significant Impact for Portland Metro Levee System Feasibility Study, Integrated Feasibility Report and Environmental Assessment.

20 Apr 2022

Finding of No Significant Impact - Federal Navigation Channel Maintenance Dredging

Expiration date: 4/1/2023

USACE developed this final Environmental Assessment (EA) to address the environmental impacts of maintenance dredging by Portland District and/or its contractor at two federal navigation channels (FNC) located at side channels off of the Lower Columbia River.

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).