Latest information on the Lower Duwamish

Lower Duwamish cleanup sites update fact sheet

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.

group of people

Get involved by attending our community office hours in 2025.

Monthly community office hours in 2025

Join us in South Park and Georgetown once a month to learn more about the cleanup sites along the Lower Duwamish Waterway. We will be tabling at local businesses and in community spaces throughout 2025. Come connect with cleanup site managers, technical staff, and our outreach team in-person! We will post office hour locations three months in advance.

Thursday, February 6, 2025
4:00–6:00 p.m. 

At Uncle Eddie's, South Park
8601 14th Ave S, Seattle

We are back in South Park this month to partner with the Lower Duwamish Waterway Group! Connect with cleanup site managers, technical staff, and our outreach team in-person. Learn more about the sediment cleanup happening right now in the upper reach of the Duwamish Waterway.

Questions? Contact Augie Nuszer

Thursday, March 13
4:00–6:00 p.m. 
Georgetown Brewing

5200 Denver Ave S, Seattle

Join us this month in Georgetown to learn more about the cleanup of the Lower Duwamish Waterway. Connect with cleanup site managers, technical staff, and our outreach team in-person! Learn more about the Snopac cleanup site open for comment at this time. 

Questions? Contact Meredith Waldref

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. Contact Meredith Waldref with questions. 

South Park Neighborhood Association monthly meeting
Tuesday, April 8
6:00 p.m.
Duwamish River Community Hub
8600 14th Ave S, Seattle, WA 98108

Georgetown Community Council monthly meeting
Monday, April 21
7:00–9:00 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.

Translated content