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Jason Dadakis is the Executive Director of Water Quality & Technical Resources for the Orange County Water District (OCWD) in Fountain Valley, California.  He is responsible for managing monitoring, permitting, regulatory compliance, and applied research activities supporting the district’s groundwater recharge activities, water quality programs, and water recycling projects. 


Jason led efforts to obtain regulatory approval for both the initial construction and final expansion of OCWD’s Groundwater Replenishment System project, the largest planned potable reuse project in the world.  He has managed and participated in studies of recycled water recharge/injection geochemistry, subsurface retention time, soil-aquifer treatment, fate and transport of contaminants of emerging concern, artificial tracer studies, numerical groundwater flow and transport modeling, and advanced water treatment technologies.

Jason is a Professional Geologist and Certified Hydrogeologist in California. He has a BA in Earth Sciences from Dartmouth College and an MS in Hydrology from the University of Arizona.

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