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416 datasets

i03 dwr region offices

Published by: California Department of Water Resources
Last updated: Monday, January 26, 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...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Monday, January 26, 2026
File types: PDF, ZIP, WEBSITE, ARCGIS GEOSERVICES REST API, CSV, WEB VIDEOS

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

Groundwater Basin Boundary Descriptions - San Francisco Region (2-XXX Basins)

Published by: California Department of Water Resources
Last updated: Monday, January 26, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

i03 Hydrologic Regions

Published by: California Department of Water Resources
Last updated: Monday, January 26, 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...

DSM2 Georeferenced Model Grid

Published by: California Department of Water Resources
Last updated: Monday, January 26, 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...

IWFM and IDC Support Tools

Published by: California Department of Water Resources
Last updated: Monday, January 26, 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...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.1 (SUPERSEDED)

Published by: California Department of Water Resources
Last updated: Monday, January 26, 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This product is superseded by version 4.2.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-...

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Monday, January 26, 2026
File types: BIN, .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...

DSM2 Input 2025-09-18 historical update

Published by: California Department of Water Resources
Last updated: Monday, January 26, 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: Monday, January 26, 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...