constituent Maven July 29, 2013 0 22 « Back to Glossary IndexA constituent is a chemical or biological substance that can be measured by an analytical method. Related Articles: Maven’s Minutes: Water storage, part 2: A look at California’s successful groundwater management and banking programsState Water Resources Control Board to develop a new regulatory tool for monitoring water qualityMetropolitan’s Groundwater Banking ProgramsTHIS JUST IN … Governor Newsom announces appointments and reappointments of several of the state’s top water and wildlife policy officialsGlossary: bromide« Back to Glossary Index