Lake Oroville and Oroville Dam, located in the Northern California town of Oroville, are part of a complex which includes Hyatt Powerplant, Thermalito Diversion Dam and Powerplant, the Feather River Fish Hatchery, Thermalito Power Canal, Thermalito Forebay, Thermalito Pumping- Generating Plant, and Thermalito Afterbay.
The Oroville- Thermalito Complex was designed as an efficient water and power system. It stores about 3.5 million acre-feet and generates power from releases made through Hyatt Powerplant and two other Thermalito generating plants.
At 770 ft. underground, Oroville Dam is the tallest dam in the nation.