Michael Wehner, MPA, was Assistant General Manager for Orange County Water District (OCWD) and has 40 years of experience in water quality control and water resources management.


Wehner spent 20 years with the Orange County Health Care Agency and began work at OCWD in 1991. He directly managed the Water Quality and Technology Group, including Laboratory, Water Quality, Research and Development, and Health and Regulatory Affairs Departments. He worked on the OCWD Groundwater Replenishment System (the nation’s largest IPR project), including providing technical guidance on treatment and quality, as well as managing monitoring programs for the purification facility and receiving groundwater. He managed OCWD’s eight-year Santa Ana River Water Quality and Health Study, which evaluated the effects of using effluent-dominated river water for groundwater recharge.


Wehner serves on the Advisory Group on Feasibility of Developing Criteria for Direct Potable Reuse for the California State Water Resources Control Board, as well as expert panels on groundwater replenishment projects for both the Los Angeles Department of Water and Power and Monterey Regional Water Pollution Control Agency.


He has a BS in Biological Sciences from the University of California, Irvine, and an MPA from California State University Long Beach.