California Department of Water Resources
Website: https://water.ca.gov/
The Department of Water Resources (DWR) is responsible for managing and protecting California’s water resources. DWR works with other agencies to benefit the State’s people and to protect, restore and enhance the natural and human environments.
Search California Department of Water Resources datasets
421 datasets
2025 UWMP Reporting
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: PDF
This DWR Open Data Publication includes the necessary reporting materials to complete the 2025 Urban Water Management Plan (UWMP). Urban Water Managem...
DWR Continuous Global Positioning System (CGPS) Sites
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: CSV
DWR Continuous Global Positioning System (CGPS) sites that are part of the network of CGPS stations that SOPAC/CSRC (http://sopac-csrc.ucsd.edu/) main...
CalSim 3.0 Release
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: ZIP, PDF
CalSim 3.0 Release to the public...
DSM2 Input 2025-09-18 historical update
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: ZIP, HTML
Version "DSM2 Input 2025-09-18 historical update" is based on version "DSM2 Input 2025-07-03 historical update", and includes the following changes: ...
DSM2 Georeferenced Model Grid
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: ZIP, PDF, ARCGIS DESKTOP MAP PACKAGE, ARCGIS PRO MAP PACKAGE
ArcGIS and QGIS map packages, with ESRI shapefiles for the DSM2 Model Grid. These are not finalized products. Locations in these shapefiles are approx...
DWR Airborne Electromagnetic (AEM) Surveys Data
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: PDF, AGOL, ZIP, FILE GEODATABASE OR SHAPEFILE, SHP
#Statewide AEM Surveys Project Overview The Department of Water Resources’ (DWR’s) Statewide Airborne Electromagnetic (AEM) Surveys Project is funded...
California Snow Data
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: CSV, PDF, WEB APPLICATION
The California Snow Data page contains resources from the California Data Exchange Center (CDEC) in open and machine readable format. These resources ...
Spatial CIMIS ETo maps — Daily Reference Evapotranspiration for California
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: ASCII, GEOTIFF
🔔 **Data now available in Cloud-Optimized GeoTIFF format for faster access!** ### Summary This dataset contains daily grass-reference evapotransp...
C2VSimCG Version 2025 - Draft
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: ZIP
Draft Coarse Grid California Central Valley Groundwater-Surface Water Simulation Model (released January 1, 2026). C2VSimCG v2025 is a computer progra...
i12 Delta Salinity Contours
- Published by: California Department of Water Resources
- Last updated: Saturday, April 11, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Data represents maximum up-estuary intrusion of the 1 ppt salinity contour. The lines represent 1000 ppt chloride per million, measured 1½ hours after...