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.

2023 update on cleanup sites

We published a summary of the status of the formal cleanup sites along the Lower Duwamish in July 2023. Document translations are available.

2021 updates

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.

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