Latest information on the Lower Duwamish
Two LDW cleanup sites open for comment.
Two Lower Duwamish Waterway cleanup sites are open for public comment this fall. Learn more by visiting each site's web page or joining us at our monthly community office hours.
- Boeing Development Center: An interim action work plan and public participation plan are available for review and comment from September 21–October 23.
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Dawn Food Products: A legal agreement, site study, cleanup options, and cleanup plan are available for review and comment from October 5–November 3.
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.
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 Augie Nuszer with questions.
South Park Neighborhood Association Meeting
6 p.m. Tuesday, October 13
South Park Neighborhood Center
8201 10th Ave S, #4, Seattle
Georgetown Community Council Meeting
7 p.m. Monday, October 19
Georgetown City Hall
6202 13th Ave S, Seattle
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 Augie Nuszer with questions.
South Park Neighborhood Association Meeting
6 p.m. Tuesday, November 10
South Park Neighborhood Center
8201 10th Ave S, Seattle
Georgetown Community Council Meeting
7 p.m. Monday, November 16
Georgetown City Hall
6202 13th Ave S, Seattle
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