Submit a Comment on the Delta Tunnel

If you would like to provide comment on the Draft Environmental Impacts Statement, please send them to the following email address: DLL-DCP-EIS@usace.army.mil.

Comments must be submitted on or before March 16, 2023. You can also send questions to the above address or call the Corps' project manager, Zachary Simmons, at (415) 503-2951.