Superfund Site:

LOWER DUWAMISH WATERWAY
SEATTLE, WA

Superfund Site Profile

Site Contacts

Remedial Project Manager
Elly Hale
(206) 553-1215

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Site Location

Street Address:
RK 2.5 TO RK 10.8, SEATTLE, WA 98168

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Background

The Lower Duwamish Waterway (LDW) Superfund site is a five mile segment of Seattle’s only river, the Duwamish. The river flows between the neighborhoods Georgetown and South Park and through the industrial core of Seattle into Elliott Bay. The LDW has served as Seattle’s major industrial corridor since the early 1900s. This has caused the Waterway’s sediments (river bottom) to be contaminated with toxic chemicals from many sources, ranging from stormwater runoff, wastewater, and industrial practices. While environmental regulation and cleanup of older infrastructure, soils, sediments, and groundwater have helped reduce pollution sources, legacy contamination and ongoing sources continue to ...
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