Sub Basin 23.2 Watercourse Stabilization

July 2025

Construction continued this week to improve approximately 300 feet of open watercourse channel located north of SE 44^th Street and west of West Mercer Way. The contractor has installed stream boulders, logs, and root wads to the stream to protect it from further downcutting and erosion. Stream bed work is planned to be substantially completed next week, with replanting and landscaping to occur in the fall.

March 2025

The project information was sent to registered Contractors on the MRSC Small Works Roster for Stream Restoration.  On March 27, PW staff hosted an on-site visit for prospective bidders to view the watercourse and ask questions about the proposed work.  Bids are due on April 7, 2025.  Construction of this project, located in the 4300 block of West Mercer Way, is expected in Summer 2025.

May 30, 2024
Due to the construction time-frame mandated by the regulatory permit, the construction schedule for this project has been shifted to the summer of 2025.  Future updates for this project page will be provided in early 2025 with the commencement of the bidding process for contractor selection.

October 2023

We have received the US Army Corps of Engineers permit for this project. All required permits are now complete. Construction is planned for July and August 2024.

April 2022 

The project is currently in the permit review phase with the following two agencies.

Washington Department of Fish and Wildlife since March 2022.

US Army Corps of Engineers since March 2021.

November 2021

The project is currently in permitting review with US Army Corps of Engineers (USACE). The agency has been requesting design-related clarifications and the design team has been responding accordingly.