<P> A $7.5 billion water bond was approved in November 2014 with a 2 to 1 ratio . The bond - financing has been contentiously debated by the legislature and Governor Jerry Brown for the past few years, was said to improve the water quality, supply and infrastructure, if passed by voters . </P> <Ul> <Li> 1917--21 </Li> <Li> 1922--26 </Li> <Li> 1928--37 </Li> <Li> 1943--51 </Li> <Li> 1959--62 </Li> <Li> 1976--77 </Li> <Li> 1987--92 </Li> <Li> 2007--09 </Li> <Li> 2012--15 </Li> </Ul> <Li> 1917--21 </Li> <Li> 1922--26 </Li>

Where is the greatest amount of fresh water found