California Department of Water Resources
Website: https://water.ca.gov/
The Department of Water Resources (DWR) is responsible for managing and protecting California’s water resources. DWR works with other agencies to benefit the State’s people and to protect, restore and enhance the natural and human environments.
Search California Department of Water Resources datasets
411 datasets
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- 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...
Environmental Monitoring Program: Discrete Water Quality Data
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: CSV, PDF
The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) was initiated in compliance with the Water Right Decision D-1379 (no...
Urban Water Data - Drought Planning and Management
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: CSV, PDF
This data package aims to pilot an approach for providing usable data for analyses related to drought planning and management for urban water supplier...
CDEC Water Year Type Dataset
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: XLSX
URL: https://data.cnra.ca.gov/dataset/8f7c9792-652a-4f5e-95ad-707961dfc3f5/resource/da64051a-7751-48e1-ab59-39c73a3ea52d/download/cdec-water-year-type...
DSM2 Input 2025-05-28 historical update
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- 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...
CSDP Bathymetry Files
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: HTML
Bathymetry data files used by CSDP...
CSDP Bathymetry Files version 2025-05-28
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: CDP
Bathymetry files used for CSDP...
California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG)
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: ZIP, PDF
(Released on June 6, 2025) Version 1.5 of the California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG) is a major u...
CSDP Version 2025-06-11_#d0d0f0c
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: ZIP, HTML
This release includes a number of improvements, including output location creation...
Integrated Water Flow Model (IWFM) Workshops
- Published by: California Department of Water Resources
- Last updated: Tuesday, December 23, 2025
- File types: ZIP
Materials for past training workshops for IWFM. Each workshop material includes slides used during the workshop, complete and incomplete input data fi...