Reporting from OROVILLE — Capping days of tense planning at the nation’s tallest dam, water flowed down an emergency spillway Saturday at Oroville Dam for the first time after the dam’s main ...

An aerial view of the water flowing out of the Oroville Dam main spillway, in Oroville, Calif., on Tuesday, February 21, 2017. (Marcus Yam / Los Angeles Times) 2 / 66 ...

OROVILLE, Calif. --Water could pour over an emergency spillway at Lake Oroville for the first time ever, a last-ditch alternative that California officials said they had been hoping to avoid.

How did a giant, gaping hole tear through the massive Oroville Dam’s main concrete spillway last week, setting in motion the chain of events that could have led to one of America’s deadliest ...

Two years after the main spillway at Oroville Dam failed, causing the evacuation of 188,000 people, state water officials said Tuesday that they are planning to allow water to run down the rebuilt ...

California water officials have stopped the flow of water down Oroville Dam's main concrete spillway, in part so they can assess damage to it and areas around it that have eroded. Use of the ...

OROVILLE The operators of Oroville Dam acknowledged Monday they might not be able to permanently repair the dam’s battered main spillway in time for the next rainy season, but said they’re ...

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

onsider a couple of scenarios for big trouble at Oroville Dam: First: The facility's main concrete spillway suffers serious damage, resulting in erosion of the rock beneath it -- and potentially ...

Officials needed to investigate erosion of the concrete on the bottom of the spillway. Oroville Lake, which serves as a reservoir, can hold 3.5 million acre-feet of water, reaching up to 901 feet ...

Thursday marks the third day of engineers and water officials assessing damage and a possible solution for the continued erosion at the Oroville Dam Spillway, but a constant onslaught of rain isn ...

In addition to the erosion issues, the forensic team hired by DWR to investigate the Oroville emergency found that the main spillway was designed by an inexperienced engineer, plagued by a ...