The spillways at three dams located near densely populated communities around San Jose have structural problems that are similar to the flaws that led to the failure of the main spillway at ...

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 (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.

After years of silence, the massive dam spillway finally opens, and what follows is nothing short of jaw-dropping. In this ...

As officials scramble to repair a deteriorating emergency spillway at Oroville Dam in Northern California, documents show environmental groups pleaded with federal officials to reinforce the ...

The damaged Oroville Dam main spillway in 2017. Photo by Elijah Nouvelage/Getty Images Months of heavy rain across Northern California—and more to come this week—have Lake Oroville reservoir ...

California officials have ordered owners of 93 dams to reinspect their flood-control spillways after the Oroville Dam crisis, saying the spillways need a closer look after a preliminary review.

Inspections conducted in the past year identified erosion and holes in dams, improperly working water pipes, timber clogging spillways and dense vegetation on the earthen structures, according to ...

CORONA, California – To get a first-hand look at Prado Dam and better understand upcoming modifications to its spillway, the U.S. Army Corps of Engineers’ senior Dam and Levee Safety Branch ...

PIERRE -- Officials say steps are being taken to channel the water if the Oahe Dam's emergency spillway has to be used to move floodwater out of the massive reservoir behind the South Dakota dam.