The largest dam in the United States was under the threat of a breakthrough. Video

On the territory of three districts of the state of California introduced a state of emergency.

Authorities in Northern California said that at least 130 thousand inhabitants of the region, where the largest U.S. hydroelectric dam, had to leave their houses because of the threat of dam failure.

The evacuation started with the city of Oroville and nearby areas. It was here, on 11 February, heavy snow and rain has damaged the spillway structure.

Experts do not exclude that can collapse a concrete wall and cause a massive discharge of water from the reservoir Oroville.

After the order to evacuate hundreds of cars stuck in long traffic jams.

The Department of water resources California said that the threat of dam failure is reduced, but the officials, as before, urged residents to leave the area.

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