Tetra Tech partnered with the Colville Confederated Tribes to design the Chief Joseph Hatchery complex and apply advanced water treatment and hatchery technologies to increase Chinook salmon populations in the Columbia Basin. Challenge To restore native Chinook salmon populations in the Columbia River Basin, the Confederated Tribes of the Colville Reservation and the Bonneville Power […] The post Restoring Chinook Salmon Populations Through Innovative Hatchery Design in Washington appeared first on Tetra Tech .