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423 datasets
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Sunday, May 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...
i03 Hydrologic Regions
- Published by: California Department of Water Resources
- Last updated: Sunday, May 24, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...
San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.1 (SUPERSEDED)
- Published by: California Department of Water Resources
- Last updated: Sunday, May 24, 2026
- File types: ZIP, PNG
This product is superseded by version 4.2. See: https://data.cnra.ca.gov/dataset/san-francisco-bay-and-sacramento-san-joaquin-delta-dem-for-modeling-...
DSM2 Georeferenced Model Grids
- Published by: California Department of Water Resources
- Last updated: Sunday, May 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...
IWFM and IDC Support Tools
- Published by: California Department of Water Resources
- Last updated: Sunday, May 24, 2026
- File types: ESRIADDIN FOR ARCMAP, MSI, ZIP
Software products to prepare input data for IWFM and IDC models and to import model results into Excel for further analysis and visualization...
DSM2 Input 2025-09-18 historical update
- Published by: California Department of Water Resources
- Last updated: Saturday, May 23, 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: ...
Estimated Subsidence in the San Joaquin Valley between 1949 – 2005
- Published by: California Department of Water Resources
- Last updated: Sunday, May 24, 2026
- File types: PDF
San Joaquin Valley Subsidence Analysis README. Written: Joel Dudas, 3/12/2017. Amended: Ben Brezing, 4/2/2019. DWR’s Division of Engineering Geodet...
DWR Airborne Electromagnetic (AEM) Surveys Data
- Published by: California Department of Water Resources
- Last updated: Sunday, May 24, 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...
DACs - Census
- Published by: California Department of Water Resources
- Last updated: Sunday, May 24, 2026
- File types: ZIP
The following data were used for the Department of Water Resources' (DWR) Disadvantaged Communities (DAC) Mapping Tool: https://gis.water.ca.gov/app/d...
Northern Sacramento Valley Groundwater Elevation Change Maps
- Published by: California Department of Water Resources
- Last updated: Sunday, May 24, 2026
- File types: ZIP
Groundwater Elevation Change Maps summarize the change in groundwater level measurements over time, collected from wells in the northern Sacramento Va...