Bob has a B.A. in history from Fresno State College and a Master of Science in soil science from UC-Davis. From 1973 to 2001 he worked in vineyard management, viticultural research, and viticultural consulting. From 2001 to 2011 he was agricultural engineer (civil) at the Santa Clara Valley Water District with responsibilities in recycled water application, agricultural water use efficiency, and evapotranspiration estimation.


Bob is a past member of the California Department of Water Resources Agricultural Stakeholder Advisory Committee for the implementation of California Water Conservation Requirements (SBX7 7).


He is presently a member of the Department’s California Water Plan Update Citizens' Advisory Committee and a board member of the Carmel Area Wastewater District.

Bob Sigfried
Natural Heritage
and Cultural Heritage