 2 powerplant was also built in 1958 to increase the total project generating capacity.In 1962, the Canyon Dam was raised again, enlarging the lake to its present capacity of .Six years later, in 1968, the giant Oroville Dam was completed on the Feather River as part of the California State Water Project, forming Lake Oroville, which flooded out most of the lower North Fork, including Big Bend Powerhouse and the Big Bend Dam.