Oroville Dam News

California Spillway Repair Work Begins

Construction crews in California have begun demolishing the destroyed portion of the main spillway at Oroville Dam as they race to repair the structure in time for the next rainy season, state water officials and construction managers said Wednesday. Using …

Former California Governor’s Ambitions Paved Way to Dam Crisis

Historical records reveal the late Gov. Pat Brown misled voters about the cost of building the nation’s tallest dam, ignored recommendations to delay construction and dismissed allegations that substandard materials were used to build the ambitious project. Sixty years before …

California Water Chief Says Oroville Dam Emergency Spillway Worked

The head of California’s water agency on Tuesday repeated his assertion that an emergency spillway at the Oroville Dam worked, drawing an incredulous response from a state lawmaker who represents tens of thousands of people ordered to evacuate when it …

California Oroville Dam Power Plant Restarted

Crews began restarting a power plant Friday at the base of Oroville Dam, allowing them to release water from the Northern California lake without having to send it over a badly damaged spillway, officials said. The move is a major …

California Governor Says $437M Needed for Flood Control Prevention

California Gov. Jerry Brown on Friday called for a boost in spending on water and transportation infrastructure as the waterlogged state grapples with an emergency dam repair, frantic levee fixes and catastrophic road damage caused by storms. The Democratic governor …

Two Dams Reveal Challenge in Maintaining Older Designs

Twelve years ago, widespread destruction from Hurricane Katrina on the Gulf Coast helped compel federal engineers 2,000 miles away in California to remake a 1950s-era dam by constructing a massive steel-and-concrete gutter that would manage surging waters in times of …

California Dam Putting More Than 50,000 Homes at Risk

Days after thousands of people were allowed to return to their homes near Lake Oroville, Calif., more than 50,000 homes remain at risk of flood damage, according to analysis released last week by CoreLogic. If all of the homes located …

California Dam Managers Dismissed Flood Concern 12 Years Ago

Environmental activists and local government officials warned more than a decade ago about the risk of catastrophic flooding below a major Northern California dam – the very scenario that threatened to unfold over the weekend, prompting evacuation orders for nearly …

Oroville Dam Earthquake Study Recommended

California officials should conduct an earthquake safety assessment of a Northern California dam that is the linchpin of a major drinking water system in the state, according to a federal inspection obtained by a newspaper. The Oroville Dam, the tallest …