Michael P. Wehner

Assistant General Manager

Michael (Mike) P. Wehner is the Assistant General Manager at Orange County Water District and is directly responsible for managing Water Quality and Technology functions at the District. 

During his time with the District, Mike has implemented a proactive water quality program that includes a comprehensive monitoring protocol, use of outside expert water quality studies and independent advisory panels, and a water quality program for the county’s new water purification project – The Groundwater Replenishment (GWR) System. He has been with the District since 1991 when he was hired as the Health and Regulatory Director. Prior to OCWD, he spent 20 years with the Orange County Environmental Health Department where he was Water Quality Program Chief.

Mike is an internationally recognized expert in water quality and technology and has served on numerous advisory panels for the National Water Research Institute, the WateReuse Research Foundation, the National Academy of Science, the Water Research Foundation, the State Water Resources Control Board, the California Department of Public Health, US EPA, United Kingdom Water Industry Research, CSIRO in Australia and PUB in Singapore.

Mike earned his Bachelor’s degree in Biological Sciences from University of California, Irvine, and his Master’s in Public Works Administration from California State University, Long Beach.

Return to executive bios