An anticipated lower than average rainfall in the Columbia River basin led the interagency Technical Management Team to reduce the tailwater elevation requirement put in place to protect spawning chum salmon downstream of Bonneville Dam by 0.2 feet.
An anticipated lower than average rainfall in the Columbia River basin led the interagency Technical Management Team to reduce the tailwater elevation requirement put in place to protect spawning chum salmon downstream of Bonneville Dam by 0.2 feet.