California Natural Resources Agency

The California Natural Resource Agency Open Data Platform has been developed to provide data to State of California citizens, agencies, and interested stakeholders in a transparent and useful manner. The Open Data Platform supports the CNRA organizations’ and programs’ missions by providing an environment to publish and share useful data that can be effectively utilized by all.

California Data Exchange Center screenshot

California Data Exchange Center website - California Data Exchange Center (CDEC) provides real-time hydrologic updates. From water supply, water quality, precipitation, flood forecasting, and more.

Dayflow program logo

Dayflow program website - The Dayflow program provides flow data for the Sacramento- San Joaquin Delta. The Dayflow program is managed by DWR's Environmental Planning and Information Branch Dayflow Program.

California Environmental Data Exchange Network website logo

California Environmental Data Exchange Network website - California Environmental Data Exchange Network (CEDEN) is the State Water Board's data system for surface water quality in California. Water Quality data is available from various programs, agencies, and studies.

California water quality monitoring council logo

My Water Quality Web Portal - Provides web portals presenting California water quality and aquatic ecosystems.

Visit ca delta website screenshot

To view the Visit CA Delta website. Visit CA Delta is a partnership of Delta businesses, Chambers of Commerce, Visitor Bureaus, and locals seeking to spread awareness of the California Delta as a world-class tourism destination and as a place for people, homes, and businesses, filled with human history, cultural richness, and diversity.

View our Delta Tourism Performance Measure.