Draft Cultural Resources Assessment for the Port Of Seattle Industrial Wastewater Treatment Plant Project, King County, Washington

This July 2025 draft cultural resources assessment, prepared by Stell for WSP USA and the Port of Seattle, evaluates potential cultural and archaeological impacts associated with a proposed Industrial Wastewater Treatment Plant project in King County, Washington. The 10.6-acre study area is located near Des Moines and covers sections in Townships 22N and 23N. The assessment found no archaeological sites, isolates, or traditional cultural properties within the project area.

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Draft cultural resources assessment prepared by Stell (Kelsi Stroebel and Geri Knight-Iske) for WSP USA Inc. and submitted to Port Of Seattle for the Industrial Wastewater Treatment Plant Project in King County, Washington. The study covers 10.6 acres in Sections 32, 33, and 4, Townships 23N/22N, Range 4E, Des Moines quad. DAHP cover sheet indicates no archaeological sites/isolates found or amended, no TCPs found, no human remains found, no Historic Property Inventory Forms for online approval, and no DAHP Archaeological Excavation Permit requirement satisfied.

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