Roy Herndon, P.G., C.HG
Chief Hydrogeologist

Roy Herndon is the chief hydrogeologist at the Orange County Water District, and directs the activities of OCWD’s hydrogeology department, including numerical groundwater flow modeling, performance evaluation and improvement of two seawater intrusion barriers, basin-wide and local water level and water quality investigations, and the operation of a comprehensive water resources data management system.
A former director of the Groundwater Resources Association of California, Roy serves on the Santa Ana River Watermaster, Alamitos Seawater Barrier Joint Management Committee, MCAS El Toro Restoration Advisory Board, and Orange County Well Standards Advisory Board. He has advised the state Department of Water Resources on implementation of the Sustainable Groundwater Management Act and other state and local agencies.
Roy holds a bachelor’s degree in geology from Colorado College and a master’s degree in hydrology and water resources from the University of Arizona. Roy is a Professional Geologist and Certified Hydrogeologist in the state of California.