View our collection of documents, maps, photos, videos, and more.

Modeling & Analysis

We develop a number of state-of-the-art models and analytical tools that describe how water flows, flood risk, and water quality in California’s rivers groundwater basins and the Sacramento-San Joaquin Delta.


View reports, publications, and more in our document library.

Educational Materials

We offer activity books, videos, worksheets, and more for use by teachers, parents, and other educators who teach about water.


Our web-based photo library, Pixel, features a vast collection of images of California’s natural landscapes, waterways, and other features of interest, available for free download.


View our YouTube channel for videos featuring our projects, facilities, latest news, and more.

Other DWR Portals

DWR maintains several additional web portals containing data and maps. These portals remain unchanged.