Bonneville Dam Juvenile Fish Bypass System Outfalls

Project started in 1998 - Project completed in 1999
Two juvenile fish bypass outfalls in the Columbia River downstream of Bonneville Dam were installed.

Ice Harbor Navigation Coffer Cells

Project started in 1996 - Project completed in 1997
Spillway deflectors were installed at eight of the Ice Harbor Dam's ten spillways.

John Day Dam Flow Deflectors

Project started in 1996 - Project completed in 1998
General Construction contract was to build 17 pier extensions and 18 flow deflectors 30 ft underwater along the spillway face of the dam.

Priest Rapids Dam Fish Bypass

Project started in September 2005 - Project completed in March 2006
General Construction modified two existing spillways for fish bypass.

Wanapum Dam Fish Bypass

June 2005 - Completed April 2008
General Construction constructed a new fish bypass spillway at Wanapum Dam, located on the Columbia River near Vantage, WA.