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. Â Emergency evacuations have been issued. Â 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