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Watch drought conditions spread across California 0:47

Watch drought conditions spread across California

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Marking one year since Oroville evacuations 1:01

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Watch the flood that could have happened if the Oroville spillway failed 0:37

Watch the flood that could have happened if the Oroville spillway failed

Flyover the proposed site for Sites Reservoir in Northern California 0:53

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Sierra snowpack stays below average despite gains 1:30

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Get closeup view of latest work at Oroville Dam spillway 1:37

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Take a captivating aerial tour of California's massive water system

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What is a high pressure system?

New video shows water coming down Oroville Dam's main spillway on March 21, 2017. The dam’s main spillway fractured Feb. 7, 2017, prompting a temporary shutdown of the structure as a big storm rolled in. On Wednesday, more than a month after a near-catastrophe at Oroville Dam sparked mass evacuations, Butte County’s sheriff Wednesday lifted an evacuation warning that had been in place for thousands of downstream residents. Department of Water Resources
New video shows water coming down Oroville Dam's main spillway on March 21, 2017. The dam’s main spillway fractured Feb. 7, 2017, prompting a temporary shutdown of the structure as a big storm rolled in. On Wednesday, more than a month after a near-catastrophe at Oroville Dam sparked mass evacuations, Butte County’s sheriff Wednesday lifted an evacuation warning that had been in place for thousands of downstream residents. Department of Water Resources

Why Oroville Dam’s woes could cut into California water supplies

March 31, 2017 02:37 PM

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