Emergency Evacuation Issued for Oroville Dam, CA Area Due to Potential Emergency Spillway Failure | “THIS IS NOT A DRILL” video of the emergency spillway at Oroville Dam, CA yesterday at 11am Butte County, CA officials fear that the Oroville dam emergency spillway is going to fail today. Emergency evacuations have been issued. This is not a drill. The California Department of Water Resources issued this evacuation advisory at approximately 4:40pm PST today just 4 hours after holding press conference […] SnowBrains | February 12, 2017 2 Comments