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Two excavators move dirt during cleanup at Terminal 117.

Active Cleanup Projects

Learn more about the Port's active cleanup projects below. Contact information for each project is provided.

Soil and groundwater remediation system equipment at Terminal 30.

Completed Cleanup Projects

Learn more about the Port's completed cleanup projects below. Contact information for each project is provided.

View of the East Waterway looking north. The image shows the channel with a container terminal on each side that has shipping containers, cranes, and container ships docked.

Harbor Island & East Waterway Superfund Cleanup

The Harbor Island Superfund Site is one of the first Superfund sites in the country, listed on the National Priorities List in 1983.Harbor Island is a human-built, industrial island in Elliott Bay. Built in the early 1900s, the 42...

Contaminated Site Cleanup

As part of its Green Gateway strategy, the Port of Seattle is committed to environmental stewardship and reducing the environmental impact of our operations. One aspect of this effort involves cleaning up the property we own. Thes...

Duwamish Cleanup

The Duwamish is Seattle's only river. It provides important community assets, recreational fishing, and tribal cultural heritage resources, and is a critical estuarine environment for salmon and wildlife. The Duwamish ha...