The partial collapse of the Oroville Dam’s spillway in California triggered a state of emergency and exposed vulnerabilities ...

Construction crews have been working to rebuild the spillway at the Oroville Dam in Northern California since May 2017, and have restored its “full functionality,” said Joel Ledesma ...

OROVILLE, Calif. — An epic winter of rain and snow has refilled California’s reservoirs and pressed into service a spillway at the nation’s tallest dam Tuesday, a $1 billion structure that ...

Officials in Northern California released water down the reconstructed spillway of the nation's tallest dam on Tuesday, more than two years after it crumbled during heavy rains and forced ...

OROVILLE (AP) - California plans to shut the shattered main spillway of the Oroville Dam for the summer on Friday, launching an all-out race to get it operational again before the next rainy season.

OROVILLE, Calif. – The Latest on water flowing over the emergency spillway at the nation's tallest dam at Lake Oroville in Northern California (all times local): 1 p.m. Officials say water will ...

The clues that the main spillway at the Oroville Dam could fail were embedded deep in state records, but officials did not recognize the evidence before the structure broke apart in February ...

Unable to release enough water from the dam’s 3,000-foot main spillway, which split open Tuesday and continues to erode, the California Department of Water Resources announced that stormwaters ...

SACRAMENTO, Calif. — California water officials said Wednesday that the $1.1 billion spillway at the nation’s tallest dam will be in full working order if it’s needed this winter ...