MISSION: WATER HEADLINE 26 SURFACE WATER An aerial view of the damaged Oroville Dam spillway as the California Department of Water Resources gradually reduced the outflow from the spillway from 50,000 cubic feet per second (cfs) to zero on February 27, 2017. The reduction allowed work to begin to remove debris at the spillway’s base and reduce water surface elevation in the diversion pool. Photo taken February 27, 2017. Dale Kolke, California Department of Water