Bad Design, Construction Caused Dangers at Oroville Dam, Nation's Tallest: Experts - NBC Connecticut
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Bad Design, Construction Caused Dangers at Oroville Dam, Nation's Tallest: Experts

Nearly 200,000 people were ordered to evacuate in February after both spillways at the dam collapsed

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    NEWSLETTERS

    An Associated Press examination has revealed a series of questionable decisions and misjudgments before and during a crisis at the nation’s tallest dam in February. (Published Wednesday, April 19, 2017)

    An independent team of dam experts says bad design and construction led to a disastrous spillway collapse at the nation's tallest dam.

    Dam safety experts investigating February's spillway failures at California's Oroville Dam say the state probably could have detected the problems if dam managers had reviewed the original flaws in the half-century-old dam, using modern engineering standards.

    Authorities ordered nearly 200,000 people to evacuate in February after both spillways at Oroville Dam collapsed and they fear an uncontrolled release of water.

    An independent team of national dam safety experts cites a series of flaws in the main spillway's design and construction in a preliminary report released Tuesday.

    RAW: Water Rushes From Two Spillways at Oroville Dam

    [NATL-BAY] RAW: Water Rushes From Two Spillways at Oroville Dam

    Evacuations have been ordered for low levels of Oroville, California, and several areas downstream from Lake Oroville because of erosion on the Oroville Dam's auxiliary spillway, according to the Butte County Sheriff's Office.

    (Published Sunday, Feb. 12, 2017)

    State Department of Natural Resources spokeswoman Erin Mellon says officials are reviewing the report.