Here are some print books; relevant databases to search for newspaper, magazine, and journal articles; and websites.

Books

333.91 CAR Water and the California Dream: Choices for the New Millennium (2000) by David Carle

333.91 COM Comparing Futures for the Sacramento-San Joaquin Delta (2010) by Jay R. Lund et al.

333.91 FIS The Big Thirst: The Secret Life and Turbulent Future of Water (2011) by Charles Fishman

333.91 GLE Water Follies: Groundwater Pumping and the Fate of America's Fresh Waters (2002) by Robert Glennon

333.91 HOE The Water Footprint of Modern Consumer Society (2013) by Arjen Y. Hoekstra

333.91 MCC Water and the Shaping of California: A Literary, Political, and Technological Perspective on the Power of Water, and How the Effort to Control It has Transformed the State (2000) by Sue McClurg

333.91 WAT Water (2006) edited by Carrie Fredericks

333.91 WAT Water (2010) edited by Jacqueline Langwith

333.9104 MAR Groundwater Around the World: A Geographic Synopsis (2013) by Jean Margat and Jac van der Gun

333.912 SAL Drinking Water: A History (2012) by James Salzman

363.6 GLE Unquenchable: America's Water Crisis and What to Do About It (2009) by Robert Glennon

363.61 CAR Introduction to Water in California (2009) by David Carle

363.61 POW Dead Pool: Lake Powell, Global Warming, and the Future of Water in the West (2008) by James Lawrence Powell

363.61 WAT Water Supply (2008) edited by Richard Joseph Stein

553.7 ALT Water: No Longer Taken for Granted (2009) by Sandra M. Alters

553.7 SOL Water: The Epic Struggle for Wealth, Power, and Civilization (2010) by Steven Solomon

Databases
Academic Search Premier (through EBSCO)
Biological and Agricultural Index Plus (through EBSCO)
GreenFILE (through EBSCO)
OmniFile Full Text Select (through EBSCO)
Academic One File
CQ Researcher
LexisNexis Academic Universe
Newsbank
Newspaper Source Plus (through EBSCO)
Opposing Viewpoints
SIRS Researcher

Websites
California Depatment of Food and Agriculture, http://www.cdfa.ca.gov/drought/
Pacific Institute, http://www.californiadrought.org/
Public Policy Institute of California, http://www.ppic.org/
Save Our Water, http://saveourwater.com/
State of California, http://www.ca.gov/drought/
UC Davis California Drought Watch, http://drought.ucdavis.edu/
US Drought Monitor, http://droughtmonitor.unl.edu/
US Drought Portal, http://www.drought.gov/drought/area/ca
USGS California Water Science Center, http://ca.water.usgs.gov/