Lake Oroville, California's second-largest reservoir, has experienced dramatic swings in water levels over recent years, reflecting broader challenges in the state's management of water resources.

After sitting near capacity for almost a month, Lake Oroville is beginning to slowly creep back down in water elevation as the California Department of Water Resources steadily increases outflows.

Officials have ordered thousands of residents near the Oroville Dam to evacuate the area, saying a "hazardous situation is developing" after an emergency spillway severely eroded.

A gaping hole in the spillway for the tallest dam in the United States has grown and authorities said they expect it will continue eroding as water washes over it but the Oroville Dam and the ...

The Oroville Recreation Advisory Committee convened on Wednesday, July 9 for the first time since the California Department of Water Resources initiated a watercraft inspection program at Lake ...

Golden Mussels Could Clog California’s Water System, Starting With Lake Oroville The invasive two-inch wide golden mussel showed up near the Port of Stockton last fall. Since then, it’s spread south, ...