At least 188 thousand people were evacuated from several countries Northern California after damage to the spillway of the dam.
The dam is not damaged. But emergency spillway, which helps to ensure that water does not spill over through the top of the dam when levels are high, damaged. There are fears that it could endanger the communities living downstream and it was decided to evacuate in the lake "Oroville".
California Governor Jerry brown also issued an emergency order of the state to help local authorities in emergencies and evacuation.
About 3 p.m. local time (6 p.m. Eastern time), the authorities learned that the spillway of the dam - which has been in use, damaged. It is possible that the damage could have been prevented, however, the California Department of water resources reported that erosion "is not progressing as fast as they thought." Was hired helicopters to drop stones into a crevice on top of the erosion, which would plug the hole.
As of 6:30 p.m. (9:30 p.m. et), about 2 inches of water left by the overflow from when the government first issued the evacuation orders. The Department "Sacramento" warned residents that failure of the spillway can have adverse effects, including flash floods.
sections: Accidents, World News