OROVILLE, Calif. (AP) — The costs to repair the nation's tallest dam after a nearly catastrophic failure of the spillways will top $500 million, nearly double the original estimate of $275 million, a ...

In August and September of 2022, Oroville Reservoir reached its lowest point ever, just 22% full. For the first time since it ...

SAN FRANCISCO — Northern California is bracing for a major spring storm that is expected to dump several inches of rain on burn-scarred areas of wine country and could present the first test of the ...

What started as a local California story became national news over the weekend when over 180,000 people were told to evacuate the Oroville area (north of Sacramento) after damage was discovered in two ...

The number of dams in the United States at risk of overtopping is increasing, "threatening their structural integrity and downstream communities," according to a new study from Florida. About 250,000 ...

Around this time, 89 years ago, the Hoover Dam began supplying electricity to the city of Los Angeles.Finished in 1935 and located along the Nevada and Arizona state lines, the concrete arch structure ...

OROVILLE — State engineers on Thursday discovered new damage to the Oroville Dam spillway in Northern California, the tallest in the United States, though they said there is no harm to the nearby dam ...

OROVILLE, Calif. — Water started flowing over an emergency spillway at the nation’s tallest dam, on Lake Oroville, for the first time Saturday after erosion damaged the Northern California dam’s main ...