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Projects
Find information about current and planned future Mouth of Duwamish Wet Weather Facilities projects.
October 2024
Reporting back on summer 2024 community input
Between June 1 and August 31, 2024, King County hosted several online and in-person events to share information about the Mouth of Duwamish Wet Weather Facilities and gather input from the community. Thank you to everyone who contributed!
Read our summer 2024 community engagement report summary to learn what we heard and how we will use your input as we progress through planning, design, and construction.
There will be more opportunities to connect with us! In early 2025, King County will identify the best solution to reduce combined sewer overflows (CSOs) at the five outfalls near the mouth of the Duwamish Waterway. At that time, we will be reaching out to share more information.
Build your sustainable future: Fall Job Fair and Workforce Training Symposium
You’re invited to learn about jobs and paid training opportunities in clean water, sustainable building, and construction! Participate in hands-on “day in the life” job demonstrations, career networking, resume help, and other job-seeking activities. Meet employers who are hiring now and in the near future. This event is free and open to the public, including people in all stages of careers and education.
When: Wednesday, October 23rd, 2024 from 4-7pm
Where: South Seattle College Georgetown Campus: 6737 Corson Avenue South, Seattle, WA 98108
Stay connected!
As we progress through planning, design, and construction, we will continue to provide opportunities for you to ask questions and share thoughts and concerns. For project updates, join our email list using the link in the “stay informed” section of this webpage or by scanning the QR code below.
Can’t make it to one of our virtual or in-person events? Contact Bibiana Ocheke-Ameh at bibiana.ocheke-ameh@kingcounty.gov or 206-477-5604 with questions or to request a briefing for your organization.
Project description
King County is currently evaluating methods to reduce overflows from 5 combined sewer outfalls (shown on the map below) in accordance with Washington State law and the federal consent decree. These methods may include storage, treatment, or conveyance and will result in a variety of future projects.
During the planning phase, the project team will recommend an approach to control CSOs that considers a number of factors including regulatory, cost, environmental, and community priorities. King County’s regulators will review and approve plans before the projects move into design and construction.
We anticipate planning to end in fall 2025, with design and construction of projects associated with the Mouth of Duwamish Wet Weather Facilities to immediately follow.
King County is seeking to understand the feasible options to control pollution from these outfalls and meet regulatory and environmental requirements.
Community outreach
For information about community outreach, visit the Mouth of Duwamish Wet Weather Facilities public engagement webpage.