A consistent methodology for monitoring groundwater on a statewide basis would help address a critical need. Groundwater is an important source of freshwater, but knowledge of the groundwater level is not uniformly available.
Sierra Nevada Snowpack
Having an accurate read on snowpack volume is vital for making allocation decisions and forecasts.
Regional Climate Models
California water managers are required to forecast a host of factors that involve considerable uncertainties, but water agencies may lack funding for model development.
Islands that inhibit saltwater intrusion in the Sacramento-San Joaquin Delta are gradually sinking.