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  • Oroville dam break would flood almost 200,000 California residents in 7 hours

    This animation details a worst-case scenario in Oroville, Calif.: dam failure. With 3.5 million acre feet of water held behind the dam, floodwaters would pour through a huge section of Northern California. Residents closest to the dam would have just minutes to evacuate.

This animation details a worst-case scenario in Oroville, Calif.: dam failure. With 3.5 million acre feet of water held behind the dam, floodwaters would pour through a huge section of Northern California. Residents closest to the dam would have just minutes to evacuate. Patrick Gleason McClatchy
This animation details a worst-case scenario in Oroville, Calif.: dam failure. With 3.5 million acre feet of water held behind the dam, floodwaters would pour through a huge section of Northern California. Residents closest to the dam would have just minutes to evacuate. Patrick Gleason McClatchy

Groups demand transparency on Oroville Dam spillway repairs

April 19, 2017 04:54 PM

UPDATED April 19, 2017 05:34 PM

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More Videos

See how Oroville dam spillway transformed from May-November in two minutes 2:16

See how Oroville dam spillway transformed from May-November in two minutes

The problem at Rollins Dam in Nevada County 1:30

The problem at Rollins Dam in Nevada County

Meet Ducky, the Sac SPCA's puppy with 'swimmer syndrome' 0:27

Meet Ducky, the Sac SPCA's puppy with 'swimmer syndrome'

'A lot to be excited about with 49ers future.' Analysts weigh in on team's direction 0:56

'A lot to be excited about with 49ers future.' Analysts weigh in on team's direction

See what firefighters are up against in battling the Thomas Fire 0:29

See what firefighters are up against in battling the Thomas Fire

Watch the Thomas Fire burn above Montecito 0:32

Watch the Thomas Fire burn above Montecito

Jones wins Alabama Senate race, issues challenge to future colleagues 2:29

Jones wins Alabama Senate race, issues challenge to future colleagues

'One Pill Can Kill': Raising prescription drug awareness 2:51

'One Pill Can Kill': Raising prescription drug awareness

Alex Padilla on sexual harassment allegations at the Capitol 0:33

Alex Padilla on sexual harassment allegations at the Capitol

Be careful with Christmas laser-light displays - pilots will thank you 0:27

Be careful with Christmas laser-light displays - pilots will thank you

  • The problem at Rollins Dam in Nevada County

    The dam at Rollins Reservoir hasn’t been able to demonstrate to state inspectors that one of its valves operates properly since 2014.