Water levels dropped Monday at California's Lake Oroville, stopping water from spilling over a massive dam's potentially hazardous emergency spillway after authorities ordered the evacuation of nearly 200,000 people from towns lying below the lake. KGO via AP
Water levels dropped Monday at California's Lake Oroville, stopping water from spilling over a massive dam's potentially hazardous emergency spillway after authorities ordered the evacuation of nearly 200,000 people from towns lying below the lake. KGO via AP

National

February 13, 2017 4:32 PM

Engineers have known for decades that Oroville’s backup spillway was unreliable

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