Lessons from Oroville

Oroville Dam gained worldwide attention in February 2017 when crumbling spillways at the nation’s tallest dam triggered one of the largest evacuations in California history. The near catastrophe remains a socioeconomic blow to downstream communities. It will require substantial ecological remediation, as more than 1.7 million cubic yards of sediment washed into the Feather River below Oroville Dam—enough to cover a football field 80 stories high. Read the Executive Summary