OROVILLE, CA - FEBRUARY 9:  In this handout provided by the California Department of Water Resources (pixel.water.ca.gov), The California Department of Water Resources stopped the spillway flow on Thursday morning to allow engineers to evaluate the integrity of the structure after water had been released at 20,000 cubic feet per second (cfs) through the night  February 9, 2017 in Oroville, California. Almost 200,000 people were ordered to evacuate the northern California town after a hole in an emergency spillway in the Oroville Dam threatened to flood the surrounding area. (Photo by Kelly M. Grow/ California Department of Water Resources via Getty Images)