Irrigation & Water

University of California

Biometeorology Group at UC Davis: conversions, biometerology, degree-days, evapotranspiration, frost protection, irrigation scheduling
UC Cooperative Extension Farm Water Quality Planning Program: Provides coursework and workshops pertaining to irrigation in agriculture
Irrigation and Water Resources: On-farm irrigation scheduling tools and groundwater management guidelines. Includes evapotranspiration estimates and rainfall during the current irrigation season for the following crops: olives, citrus, almonds, dried plum, walnuts: Alan Fulton, UC Cooperative Extension Tehama Co.
Natural Resource Projects Inventory: A statewide database of projects including watershed conservation and acquisition, restoration and weed eradication and scientific studies.
Water Resources Center Archives: UC Riverside Library collection of materials on all aspects of water resources

State of California

California Dept. of Water Resources: California Irrigation Management Information System (CIMIS): This program manages a network of over 120 automated weather stations in the state to assist irrigators in managing their water resources efficiently.
California Dept. of Water Resources: Office of Water Use Efficiency and Transfers: Agency which promotes and facilitates the energy efficient use of water

Other Resources

Center for Irrigation Testing: Center based at CSU Fresno, conducts irrigation equipment testing. Includes 'Watertight' - an interactive program that helps users develop site-specific irrigation schedules
The Irrigation Association: A non-government irrigation association promoting water and soil conservation through water management
Water Reuse Association: National non-government association to promote water recycling, conservation and desalination