Explore More in Clean Up

Active Cleanup Projects

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

Completed Cleanup Projects

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

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 land we own and water...

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...