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434 datasets

Sustainable Groundwater Management Act (SGMA) Water Year Type Dataset

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 2026
File types: CSV, PDF

The following dataset has been developed to assist the Groundwater Sustainability Agencies (GSAs) in their water budget development per the Groundwate...

i08 B118 CA GroundwaterBasins

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resourc...

2025 UWMP Reporting

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 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...

CalSim 3.0 Release

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 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: Tuesday, July 7, 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: ...

C2VSimCG Version 2025 - Draft

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 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: Tuesday, July 7, 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...

i08 GroundwaterStations EnterpriseWaterManagement

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (he...

DSM2 Input 2025-05-28 historical update

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 2026
File types: ZIP, HTML, PDF

The following is a summary of the features from the DSM2 Monitoring Special Study (MSS) release that were merged into the DSM2 2023 Full Calibratio...

C2VSimCG R374_rev

Published by: California Department of Water Resources
Last updated: Tuesday, July 7, 2026
File types: PDF, ZIP, MSI, WMV

### A new version of the C2VSimCG model is available here (https://data.cnra.ca.gov/dataset/c2vsimcg-version-2025-draft) Revised version of the C2V...