Latest information on the Lower Duwamish
Get the latest on the cleanups we oversee in the Lower Duwamish.
Ecology, the Environmental Protection Agency (EPA), King County, and the City of Seattle work continuously to control sources of contamination to the Lower Duwamish Waterway (LDW). We post the latest source control information on this page, including reports and updates on work underway.
Get involved by attending our community office hours in 2025.
Join us for Community Office Hours on June 3!
We are hosting our monthly Lower Duwamish Community Office Hours at the new South Park Playground. Stop by anytime between 4 and 6 p.m. to learn more about our cleanup work, chat with project staff, and make a sun print. Phone interpretation available. All ages welcome.
Wednesday, June 3
4–6 p.m.
South Park Playground
738 S Sullivan St., Seattle, WA 98108
Do you have a question about the cleanup of the Lower Duwamish Waterway? Meet us this month at a neighborhood meeting in Georgetown or South Park. Learn about our open comment periods and upcoming work. Contact Meredith Waldref with questions.
South Park Neighborhood Association Meeting
Tuesday, May 12
6 p.m.
Duwamish River Community Hub
8600 14th Ave S, Seattle
Georgetown Community Council Meeting
Monday, May 18
7–9 p.m.
Georgetown City Hall
6202 13th Ave S, Seattle, WA 98108
2024 update on cleanup sites
We have recently completed and published a summary of the status of the formal cleanup sites along the Lower Duwamish in July 2024.
EPA's Lower Duwamish Waterway work
You can learn about the federal government's work on the EPA Lower Duwamish Waterway Superfund webpage, where you can subscribe to their email listserv for periodic updates.
Related links
Contact information
LDW Email
LDW@ecy.wa.gov
Brett Carp
Aquatics Unit Supervisor
Brett.Carp@ecy.wa.gov
206-496-7007
Ryan Gardiner
Source Control Project Manager
Ryan.Gardiner@ecy.wa.gov
425-681-5543
Kim Wooten, Ph.D.
Toxics Cleanup Program Regional Section Manager
Kim.Wooten@ecy.wa.gov
425-324-1658