USACE issues Chittenden Locks Scour Repair Notice of Preparation

Published June 5, 2020

The U.S. Army Corps of Engineers, Seattle District, issued today notice of plans to prepare, pursuant to the National Environmental Policy Act, an environmental assessment (EA) for proposed urgent interim repairs to the Hiram M. Chittenden Locks (Locks) stilling basin apron, spillway ogee, and the fish ladder, located in the Lake Washington Ship Canal (LWSC) in the City of Seattle, King County, Washington. The purpose of this Public Notice is to solicit comments from interested persons, groups and agencies on the environmental impact of the proposal and issues for consideration in the EA.

The Corps has posted the above referenced NOP for your review and comment at: under “Hiram M. Chittenden Locks Urgent Interim Scour Repair Notice of Preparation of Environmental Assessment."

Written comments may be submitted to ATTN:  CENWS-PMP, P.O. Box 3755, Seattle, WA, 98124-3755, or at The Corps will consider all submissions received in the public comment period through June 25, 2020.

Dallas Edwards

Release no. 20-024