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image:filtered light in the forest

Toxics Cleanup Program

Photo:  Lower Duwamish Waterway
 

Map of cleanup sites on the LDW - click on map to view larger size.
                        Lower Duwamish Cleanup Sites                              Click on map to enlarge
Ecology is leading the effort to clean up sources of pollution from the land area (watershed) surrounding the Lower Duwamish Waterway (LDW) Superfund Site. See our Latest Information page to find out what’s going on right now!

The LDW Superfund Site is an approximately 5 mile portion of the Duwamish River which flows northward into Elliott Bay. The U.S. Environmental Protection Agency (EPA) added the LDW to the Superfund National Priorities List in 2001. Ecology added the site to the Washington Hazardous Sites List in 2002.

The sediments (mud) in the river contain a wide range of contaminants due to decades of industrial activity and runoff from urban areas. Contaminants in the soil and groundwater in the land area around the river can find their way into the sediments through storm runoff and other pathways.

EPA will clean up the river sediments, while Ecology is responsible for controlling sources of pollution from the surrounding land area in order to minimize re-contamination of the river. Click on the links at the left to find out more about source control.



This page last updated January 12, 2017


Photo:  Lower Duwamish Waterway

Contacts

Bob Warren
Toxics Cleanup Program
Regional Section Manager
(425) 649-7054

Ron Timm
Toxics Cleanup Program Aquatics Unit Supervisor
(425) 649-7185

Rick Thomas
Source Control Lead
(425) 649-7208

Amelia (Amy) White,
Public Involvement Coordinator
(425) 649-7052