Data and Databases
- California Integrated Water Quality System (CIWQS)
- California Land Use Planning Information Network
- California Spatial Information Library
- California Watershed Portal
- California Wetlands Information System
- Data Maps (Areas of Special Biological Significance, Sanitary Sewer Overflows)
- Discharger Data Downloads
- Electronic Water Rights Information Managment System (eWRIMS)
- GeoTracker
- Groundwater Ambient Monitoring & Assessment Program (GAMA)
- U.S. Maps and Data on geodata.gov
- Ocean and Coastal Environmental Access Network
- Prop 40/50 Awards
- Resources Agency Digital Atlas
- Storm Water Program Data Bases
- USGS - NWISWeb