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239 datasets

SGMA Climate Change Resources

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 2026
File types: CSV, ZIP, XLSX, PDF

This dataset includes processed climate change datasets related to climatology, hydrology, and water operations. The climatological data provided are ...

C2VSimCG Version 2025 - Draft

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 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...

Vegetation - Great Valley Compilation [ds3231]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, August 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Geodatabase feature class containing a map tile of vegetation within the Great Valley Ecoregion. The vegetation tile combines these datasets: Great Va...

C2VSimCG R374_rev

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 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...

2070 Extreme Climate Change Scenarios for Water Supply Planning

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 2026
File types: PDF, ZIP

DWR’s 2070 extreme climate change scenarios enable exploration of the vulnerability of and opportunities for water supply at the potential bounds of f...

Surface Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, August 18, 2026
File types: CSV, PDF

This data set lists active and historical enforcement actions records that are stored in the [California Integrated Water Quality System](https://www....

i08 C2VSimFG Small Watersheds

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The small watersheds are the minor unguaged rim watersheds that provides the additional surface water inflow into the stream network and subsurface in...

i12 Levee Breaks Historic

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Dataset was built over years based on a variety of sources and ongoing incidents during the period in which the dataset steward was in the Delta Levee...

DWR Technical Support Services (TSS)

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 2026
File types: CSV

(Webpage Under Development) The Department of Water Resources (DWR) provides Technical Support Services (TSS) to assist Groundwater Sustainability ...

WEAP Future Scenarios Model for Water Plan Update 2023

Published by: California Department of Water Resources
Last updated: Thursday, August 20, 2026
File types: ZIP, PDF, CSV

California Water Code Section 10004.6 requires the California Department of Water Resources (DWR) to quantify current and future water conditions in t...