The California Garden Web, from the UC Master Gardener Program, have great links to "Drought: Gardening Tips" and "Drought: Irrigation Tips."
Replace your turf grass rebate program now closed:(
What is Xeriscaping? Creating Sustainable Landscapes
Insights: Water and Drought Online Seminar Series brings timely, relevant expertise on water and drought from around the UC system and beyond directly to interested communities.
California Major Reservoir Current Conditions and California Snow Survey and Snow Water Content- California Department of Water Resources
California Drought Monitor