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49 datasets

California's Groundwater Update 2025 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: PDF, XLS, URL, .ZIP

California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater r...

1D Subsidence Modeling Files for the Central Valley

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

Model files and technical memorandum for one-dimensional subsidence models that are discussed in DWR's DRAFT subsidence best management practices (BMP...

Integrated Water Flow Model (IWFM) - Version 3.02.193

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

IWFM (Integrated Water Flow Model) - Version 3.02.193 (released April 16, 2018)...

WEAP Future Scenarios Model for Water Plan Update 2023

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

i08 C2VSimFG Elements

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

There is a total of 32, 537 elements within the C2VSimFG model, which make-up the finite grid mesh of the model. The elements are subdivided into 21 s...

2070 Extreme Climate Change Scenarios for Water Supply Planning

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

IWFM and IDC Support Tools

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

i07 Water Shortage Social Vulnerability BlockGroups

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage social vulnerability analysis performed by DWR using Census 2021 block groups as the unit of analysis. This f...

2019 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: ZIP, XLSX, CSV, TXT

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...

i07 Water Shortage Vulnerability Sections

Published by: California Department of Water Resources
Last updated: Saturday, April 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using modified PLSS sections pulled from the Well Completion Report P...