Lake Oroville completely full for 2nd year in a row Lake Oroville is the second largest reservoir in the state, and it holds 3.5 million acre-feet of water. Lake Oroville at 100% capacity as CA ...

More than 100,000 people have been evacuated in California after fears a dam spillway is in danger of collapsing. The Oroville dam is 770 feet high and it is the tallest one in the US.