With the evacuation situation at Oroville due to erosion of the auxiliary spillway, we have had several questions from Winters residents about the state of Berryessa.
The lake itself is located in Napa County, however law enforcement and emergency services who would be responding in affected areas in Napa County, Solano County, and Yolo County regularly train regarding different disaster scenarios.
Current conditions at Lake Berryessa are:
~ Lake conditions link– currently holding 1,531,850 acre-feet of water meaning the lake is holding at 95.7% of the total 1,600,000 acre-feet capacity
~The Solano County Water Agency link tracks levels for the Dam
~Dam and Glory Hole Spillway statistics link
Dam failure risk links are below:
~In 2014, the Davis Enterprise covered Dam failure risk questions in an article written by Margaret Burns. The article also featured a link to a worst case dam failure scenario computer simulation by research geophysicist Steven Ward.
~Worst case scenario computer simulation link