We closed Diversion Tunnel 2 , pumped out the water, and recovered and released fish back into the river. | June 2023

The inlet gate for Diversion Tunnel 2 is closed in order for crews to do tunnel conversion work. | June 2023

One of four large constriction rings will be installed here inside Diversion Tunnel 2 to prepare for reservoir filling. | June 2023

Crews install one of four large rings inside Diversion Tunnel 2. These rings will help reduce the water flow when we re-open the tunnel to prepare for reservoir filling.| July 2023

Inside the diversion tunnel, the ring segments have been lifted into position and welded. | July 2023

Segments of the ring are hoisted into position and welded. Crews will complete the welds to the embedded steel in the tunnel walls. | July 2023