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84 datasets

Water Shortage Vulnerability Technical Methods

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PDF

These documents present the 2023 and 2024 updates to the Water Shortage Vulnerability scoring for both (and separately) rural communities as domestic ...

California's Groundwater Live Supporting Data

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: HTML, JPEG, PDF, DOCX, ZIP

This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly pl...

California's Groundwater Basin Boundary Descriptions

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types:

In conjunction with the release of [California’s Groundwater Update 2020](https://data.cnra.ca.gov/dataset/caglw_update2020), DWR has compiled a compr...

San Francisco Bay and Sacramento-San Joaquin Delta DEM for Modeling, Version 4.1 (SUPERSEDED)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, April 5, 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This product is superseded by version 4.2.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-...

2070 Extreme Climate Change Scenarios for Water Supply Planning

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 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...

DSM2 Input 2025-05-28 historical update

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 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...

Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: XLSX

September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data repo...

DSM2 v8.2.1

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP, HTML

The current release DSM2 V8.2.1 differs from the previous release DSM2 V8.2.0 as follows: ==========================================================...

Region Land Use Surveys

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP, SHP

This is collection of DWR Region Land Use Surveys. These include several county land use surveys, In addition, you may scroll the list below to down...

California Population Trends by Geography

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: CSV, WEBSITE

The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...