Lower Duwamish Waterway

Regulatory timeline

1. December 1, 2000Proposed for the NPL
2. September 13, 2001Established on the NPL (final listing)

Projected reinspection cycle

CERCLA requires a five-year review while hazards remain on site. These dates are projected from this site's cleanup timeline — they are estimates, not EPA-published dates. Check the site progress profile for the actual review schedule.

1. September 13, 2021Projected five-year review (reinspection), cycle 4
2. September 13, 2026Projected five-year review (reinspection), cycle 5
3. September 13, 2031Projected five-year review (reinspection), cycle 6

Official EPA records