Portland District Public Notices

Notice of Availability: Record of Decision for the Lower Columbia River (LCR) Channel Maintenance Plan (CMP) Final Dredged Material Management Plan (DMMP) - Environmental Impact Statement (EIS)

Press Operations — Thu, 04 Jun 2026 14:49:43 GMT

The U.S. Army Corps of Engineers, Portland District, announces the final Record of Decision (ROD) for the LCR CMP Final DMMP-EIS. The ROD formally approves the continued operations and maintenance (O&M) of the Lower Columbia River Federal Navigation Channel (FNC) for a minimum of 20 years by selecting Alternative 1 Refined - Maximize Placement as the Recommended Plan.

Notice of Availability: Final Supplemental Environmental Impact Statement for the Willamette Valley System Operations and Maintenance

Press Operations — Fri, 22 May 2026 15:53:49 GMT

The U.S. Army Corps of Engineers, Portland District (Corps) announces the availability of the Final Supplemental Environmental Impact Statement (Final SEIS) for the Willamette Valley System Operations. A formal Notice of Availability was published in the Federal Register on May 22, 2026.

Draft Site Management and Monitoring Plan for Yaquina Bay North and South Ocean Dredged Material Disposal Sites (Newport, Oregon)

Press Operations — Wed, 20 May 2026 18:43:13 GMT

The U.S. Environmental Protection Agency – Region 10 and the U.S. Army Corps of Engineers Portland District are jointly soliciting comments from the public regarding the 2026 Draft Site Management and Monitoring Plan for Yaquina Bay North and South Ocean Dredged Material Disposal Sites (Draft SMMP). The 2026 Draft SMMP replaces the August 2012 Yaquina Bay North and South Ocean Dredged Material Disposal Sites Site Management/Monitoring Plan.

Proposal to demolish, rebuild fire-damaged buildings at dredge fleet berthing and maintenance facility in Portland, Oregon

Press Operations — Thu, 14 May 2026 20:35:09 GMT

Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (USACE) proposes to demolish and rebuild buildings damaged during a major fire at the Dredge Fleet Berthing and Maintenance Facility (U.S. Moorings Facility) located inland on the west bank of the Willamette River in Multnomah, County, Oregon, within the City of Portland.

Public Notice of Proposed Discharges of Fill Material for the Miller-Sands Rice Island Pile Dike Repair in Washington State

Press Operations — Wed, 13 May 2026 23:27:00 GMT

Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (USACE) proposes to place fill material in order to perform repairs to the Miller Sands Rice Island Pile Dike System (MRPDS), located between river mile (RM) 22 and 26 of the Lower Columbia River (LCR) for the purpose of maintaining the congressionally authorized channel dimensions of the LCR Federal Navigation Channel (FNC), part of the Columbia and Lower Willamette Rivers (C&LW) Project.

Availability of Final Environmental Impact Statement (Final EIS) for the Lower Columbia River Channel Maintenance Plan and Final Integrated Dredged Material Management Plan (DMMP)

Press Operations — Fri, 01 May 2026 21:04:00 GMT

The U.S. Army Corps of Engineers, Portland District announces the availability of the Final Environmental Impact Statement (Final EIS) for the Lower Columbia River Channel Maintenance Plan and Final Integrated Dredged Material Management Plan (DMMP), prepared in accordance with the National Environmental Policy Act (NEPA). The Notice of Availability for the Final EIS is published in the Federal Register at: https://www.federalregister.gov/documents/2026/05/01/2026-08520/environmental-impact-statements-notice-of-availability . The Final EIS is available for public review on the USACE Portland District website at: https://www.nwp.usace.army.mil/lcrchannelmaintenance/ .

FONSI: Avian Dissuasion at Lower Columbia River, Federal Navigation Channel, Dredged Material Placement Sites

Press Operations — Fri, 13 Feb 2026 19:22:53 GMT

The U.S. Army Corps of Engineers, Portland District (USACE) has developed an environmental analysis in accordance with the National Environmental Policy Act of 1969, as amended.

USACE Posts the Willamette Valley Project National Historic Preservation Act Section 106 Programmatic Agreement Fiscal Year 2025 Annual Report

Press Operations — Wed, 11 Feb 2026 15:33:00 GMT

The United States Army Corps of Engineers (USACE), Portland District entered into a programmatic agreement with the Advisory Council on Historic Preservation and the Oregon State Historic Preservation Officer regarding compliance with Section 106 of the National Historic Preservation Act for undertakings related to the operations and maintenance of the Willamette Valley Project in Benton, Lane, Linn, and Marion Counties, Oregon.

FINDING OF NO SIGNIFICANT IMPACT - Columbia River Turning Basin Improvements

Press Operations — Fri, 23 Jan 2026 20:04:00 GMT

FINDING OF NO SIGNIFICANT IMPACT Columbia River Turning Basin Improvements Integrated Feasibility Report and Environmental Assessment Ports of Kalama and Longview, Washington

Emergency Permit for Port of Camas-Washougal Fishing Dock Emergency Pile Replacement

Press Operations — Thu, 15 Jan 2026 18:38:57 GMT

Kinsey Friesen is the Regulatory point-of-contact for this Public Notice for emergency special processing procedures for the Port of Camas-Washougal fishing dock emergency pile replacement.

Reissuance of 2026 Nationwide Permits

Press Operations — Fri, 09 Jan 2026 19:32:59 GMT

The U.S. Army Corps of Engineers has published a final action announcing the reissuance of 56 existing nationwide permits (NWPs) and one new NWP, as well as the reissuance of NWP general conditions and definitions with some modifications as described in the attached public notice.

Avian Dissuasion at Lower Columbia River Federal Navigation Channel Dredged Material Placement Sites Draft Supplemental Environmental Assessment (DSEA)

Press Operations — Thu, 08 Jan 2026 23:11:00 GMT

Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (Corps) is seeking public comment on its Avian Dissuasion at Lower Columbia River Federal Navigation Channel Dredged Material Placement Sites Draft Supplemental Environmental Assessment (DSEA).

Public Notice: Cotttonwood Pile Dikes Environmental Assessment

Press Operations — Wed, 07 Jan 2026 17:44:00 GMT

Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (USACE) proposes to repair to the Columbia River (CR) Federal Navigation Channel (FNC) pile dikes on Cottonwood Island between River Miles (RM) 68-72 in Cowlitz County, Washington, near the town of Longview.

Bonneville Dam Navigation Lock 1 (NL1) Maintenance Dredging and In Water Sediment Placement

Press Operations — Thu, 31 Jul 2025 20:15:00 GMT

Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (USACE) is providing public notification of a proposed discharge of dredged material as required by the provisions of section 401 and 404 of the Clean Water Act (CWA) via the Bonneville Dam Nav Lock 1 Maintenance Dredging and Placement, CWA Section 404(b)(1) Evaluation. The Preferred Alternative is a temporary project that would address the need for the replacement of steel stoplogs with new precast, pre-stressed concrete stoplogs to meet current USACE guidance, at Bonneville Dam in the Columbia River.

Feasibility Study for Navigation Improvements at the Port of Newport Commercial Marina Public Comment Period Open

Press Operations — Tue, 15 Jul 2025 21:25:00 GMT

Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (Corps) is releasing for public comment the DRAFT Integrated Feasibility Report and Environmental Assessment for navigation improvements at the Port of Newport’s Commercial Marina, located on Yaquina Bay at approximately river mile 2 of the Yaquina River in Newport, Oregon.

Public Notice Availability of Draft Integrated Feasibility Report and Environmental Assessment for the Charleston Marina Navigation Improvements Coos County, Oregon Section 107 of the Continuing Authorities Program

Press Operations — Thu, 10 Jul 2025 18:01:00 GMT

Interested parties are hereby notified that the U.S. Army Corps of Engineers, Portland District (Corps) is seeking public comment on its Charleston Marina Navigation Improvements Coos County, OR Draft Integrated Feasibility Report and Environmental Assessment (IFR/EA) and draft Finding of No significant Impact. Thus, an Environmental Impact Statement (EIS) will not be prepared for this project.

Public Notice Availability of Draft Integrated Feasibility Report and Environmental Assessment for the Charleston Marina Navigation Improvements Coos County, Oregon Section 107 of the Continuing Authorities Program

Press Operations — Thu, 10 Jul 2025 18:01:00 GMT

PUBLIC NOTICE – RECORD OF DECISION FOR INTERIM OPERATIONS: WILLAMETTE VALLEY SYSTEM OF DAMS

Press Operations — Fri, 16 May 2025 13:05:00 GMT

The U.S. Army Corps of Engineers (USACE), Portland District, is providing notice that the Record of Decision (ROD) under the National Environmental Policy Act for the Willamette Valley System Operations and Maintenance Environmental Impact Statement (EIS) is published.

Bradford Island Restoration Advisory Board Meeting scheduled for April 08, 2025

Press Operations — Tue, 25 Mar 2025 21:18:17 GMT

The next Restoration Advisory Board (RAB) meeting for the Bradford Island National Priority List (NPL) Site is scheduled for April 08, 2025 from 5:00 – 7:00 p.m. This meeting will be virtual only.

Corps Posts the Willamette Valley Project National Historic Preservation Act Section 106 Programmatic Agreement Fiscal Year 2024 Annual Report

Press Operations — Tue, 11 Feb 2025 17:03:00 GMT