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435 datasets

TRE ALTAMIRA InSAR Subsidence Data

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: PDF, HTML, GEOTIFF, ZIP

This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across ...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: WEBSITE, ARCGIS GEOSERVICES REST API, PDF, ZIP, CSV

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

County SB 552 Status Dashboard Data and Drought Resilience Plans

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: CSV

This dataset supports the County SB 552 Progress Dashboard, which is published on DWR’s [County Drought Resilience Planning webpage](https://water.ca....

Spatial CIMIS ETo maps — Daily Reference Evapotranspiration for California

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: GEOTIFF, TXT

🔔 Full-year 2025 data now available — Complete daily ETo for January–December 2025 has been published, replacing the partial-year v1 file. See the Ch...

Water Shortage Vulnerability Analysis Archive

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: FILE GEODATABASE, ZIP, EXCEL (XLSX)

This page is meant to act as an archival repository for previous Water Shortage Vulnerability analyses, which includes the Water Shortage Vulnerabilit...

DSM2 Georeferenced Model Grids

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: ZIP, PDF, ARCGIS DESKTOP MAP PACKAGE, ARCGIS PRO MAP PACKAGE

ArcGIS and QGIS map packages, with ESRI shapefiles for DSM2 Model Grids. These are not finalized products. Locations in these shapefiles are approxima...

DSM2 Input 2026-04-16 historical update

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: ZIP

Version "DSM2 Input 2026-04-16 historical update" is based on version "DSM2 Input 2025-09-18 historical update" (which incorporates the changes from ...

California's Groundwater Semi-Annual Conditions Updates

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: PDF

Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the...

Hydrography Presentations

Published by: California Department of Water Resources
Last updated: Friday, July 24, 2026
File types: PDF, WEB VIDEOS

Slides, handouts, and recordings that have been presented at various conferences, workshops, and webinars by the California National Hydrography Stewa...