Green River Geographic Response Plans (GRPs)

Google Earth screenshot of GRD & UGR planning areas

Visit the Green River/Duwamish (GRD) Web Page (Waters above the City of Tukwila)

Visit the Upper Green River (UGR) Web Page (Waters above the Howard A. Hanson Dam)

How to Comment

If you have any questions, suggestions for improvement, or find errors in this document, submit comments online at, email to Ecology at, or forward your comments via U.S. Mail to the following agencies:

U.S. Environmental Protection Agency
Region 10
Office of Environmental Cleanup
1200 Sixth Avenue
Room ECL-116
Seattle, WA 98101

Washington State Department of Ecology
Spill Prevention, Preparedness, and Response (GRPs)
P.O. ox 47600
Olympia, WA 98504-7600