Sign In

Columbia Estuary Ecosystem Restoration Program
Clatsop, Columbia, Multnomah counties, Oregon and
Pacific, Wahkiakum, Cowlitz, Clark, and Skamania counties, Washington

The Columbia Estuary Ecosystem Restoration Program Environmental Assessment (EA) was completed to support more efficient environmental review of site-specific estuary restoration actions and projects.  The estuary restoration program was developed to satisfy obligations and commitments under the Northwest Power Act, Water Resources Development Act, and Biological Opinions for the operation of the Federal Columbia River Power System.   Typical estuary restoration projects include the conservation and restoration of riparian areas, off-channel habitats, and estuarine wetlands and floodplains through levee modification and breaching; tidal channel creation; tide gate and culvert removal or modification; and invasive species control. The EA describes the estuary restoration program, discusses the environmental impacts of actions and projects implemented under the program, and lists mitigation measures that help lessen those impacts. The agencies will tier environmental analysis for site-specific projects to this EA.

The Columbia River estuary includes all of the tidally-influenced portions of the Columbia River and its tributaries and extends from the mouth of the Pacific Ocean upstream to Bonneville Dam. It encompasses all low-lying areas that are currently or were historically tidally-influenced along the Columbia River and its tributaries in portions of Clatsop, Columbia, and Multnomah counties in Oregon, and Pacific, Wahkiakum, Cowlitz, Clark, and Skamania counties in Washington.

To understand the potential environmental impacts of this proposal, BPA, in cooperation with the Army Corps of Engineers, prepared an environmental assessment (EA) to help determine the potential impacts the project would have on the human environment. BPA released the draft EA for public review and comment in April 2016 and received comments from five entities. BPA prepared a final EA that provides responses to comments received and includes revisions to that analysis based on those comments. Based on the EA analysis and mitigation measures to help lessen impacts, BPA found that the proposed action will not cause any significant impacts, and issued a finding of no significant impact (FONSI) on July 7, 2016.

Scoping comment period
Draft EA available for public comment 
Final EA
Finding of No Significant Impact (if warranted)

            October 5, 2015 through November 4, 2015
            April 15, 2016 through May 23, 2016 
            July 7, 2016
            July 7, 2016

For environmental information, contact:                                   Toll-free: 800-622-4519


SA - 11                    (03/29/2021)

Public Letter                               (07/22/2016)
Final EA                                     (07/07/2016)
FONSI / Mitigation Action Plan        (07/07/2016)


Draft EA comments received      
Public Letter             (04/15/2016)
Draft EA                   (April 2016)
Comment Form        (04/15/2016)

Scoping comments received
Public Letter           (10/05/2015)
Project Map            (08/25/2015)
Comment Form      (09/23/2015)


Lower Elochoman III Floodplain Restoration Project
Palensky Wildlife Area Restoration Project
Woodland Islands Habitat Restoration Project
John Day Crossing Tidal Restoration Project
West Sand Island Tidal Restoration Project
Government Island Restoration Project
South Bachelor Island Restoration
McCarthy Creek Phase II Restoration Project
Sturgeon Lake Restoration Project
Lower Elochoman Estuary Restoration
Wallacut River Confluence Estuary Restoration
Kerry Island Estuary Restoration