California Scales Back Golden Mussel Safeguards at Vital Reservoir, Alarming Experts

The state of California is walking back protections meant to keep destructive golden mussels out of Lake Oroville, one of the largest and most important reservoirs in the state.

The move follows a new state-funded risk assessment that the invasive species poses a lower risk to the lake, which water managers say changes the state’s calculus on costly and difficult measures aimed at keeping the invaders at bay.