Anderson Dam Tunnel Project Update

The construction of the Diversion Outlet Structure slabs and walls was successfully completed in April 2024 and the construction of the Diversion Outlet Structure roofs was completed in June 2024.

In February 2024, Valley Water achieved a signification project construction milestone with the completion of the excavation of the 24-foot diameter Low-Level Outlet Tunnel. In August 2024, an 8-foot diameter Micro-Tunnel Boring Machine was launched to advance the lake tap for the stage 1 diversion, completing the tunneling operations for the Anderson Dam Tunnel Project.