Latest information on 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.

Información en español | Thông tin bằng tiếng Việt | 訊息中文版

For older updates, please view the Lower Duwamish listserv archives.

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Cleanup sites update available

We published a summary of the status of the formal cleanup sites along the Lower Duwamish in August, 2020.

2021 updates

State Environmental Policy Act (SEPA) checklist and Determination of Non-Significance (DNS) finalized for 8801 E Marginal Way S site

A SEPA checklist and DNS for the 8801 E Marginal Way S Site were finalized in February after holding a public comment period from Jan. 25–Feb. 9, 2021. We received no comments and deterimined that no changes to the document were needed.

The SEPA review was completed for an Interim Action (partial cleanup action) occurring at the site. The project will address upland contamination from historic industrial operations.

Agreed Order finalized for Precision Engineering Inc. site

The Agreed Order for the Precision Engineering site was finalized Dec. 18, 2020. The order requires the Potentially Liable Person (PLP) to investigate environmental conditions, develop a cleanup plan, and conduct an interim (partial) cleanup.

We held a public comment period for a draft Agreed Order for the site in November and December of 2020. The Agreed Order and other documents are on the Precision Engineering Inc Cleanup site webpage.

A response summary, which summarizes public comments received during the comment period, is available.

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.

Información en español

Sitios en el Lower Duwamish Waterway

Información sobre la limpieza ambiental del Duwamish: Si le gustaría obtener este documento en español, favor de comunicarse con Gretchen Newman al 360-407-6097 o preguntas@ecy.wa.gov.

Thông tin bằng tiếng Việt

Cập Nhật Thông Tin Tẩy Nhiễm Địa Điểm Lower Duwamish

Thông tin về công tác làm sạch môi trường Duwamish: Nếu quý vị muốn nhận tài liệu này bằng tiếng Việt hoặc cần thêm thông tin, xin liên hệ ông Liêm Nguyễn 360-407-6955, điện thư: Lngu461@ecy.wa.gov.

訊息中文版

Duwamish 河下游清理站點的新信息

Contact information

Rick Thomas
Toxics Cleanup Program Source Control Lead
Richard.Thomas@ecy.wa.gov
425-649-7208

Bob Warren
Toxics Cleanup Program Northwest Regional Section Manager
Bob.Warren@ecy.wa.gov
425-649-7054

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