Risks Soar, Bills Come Due as 20th-Century Dams Crumble

First part of a series. For nearly 50 years, Oroville Dam has been the linchpin of a sprawling state plumbing system that draws water from wet Northern California to 25 million people and thousands of acres of farmland in the arid south. That changed Feb. 7 when a...

Riverbanks Collapse after Oroville Dam Spillway Shut Off

When state water officials scaled back their mass dumping of water from the damaged Oroville Dam this week, they knew the riverbed below would dry up enough to allow the removal of vast piles of debris from the fractured main spillway. But they apparently did not...