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
421 datasets
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 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...
Dayflow
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: CSV, PDF, XLSX, DOCX
Dayflow is a computer program developed in 1978 as an accounting tool for determining historical Delta boundary hydrology. It presently provides the ...
DWR Community Groundwater Level Monitoring Program
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: PDF
The Community Groundwater Level Monitoring Program is a voluntary, locally driven effort designed to strengthen drought resilience and fill critical g...
Sustainable Groundwater Management Act (SGMA) Water Year Type Dataset
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: CSV, PDF
The following dataset has been developed to assist the Groundwater Sustainability Agencies (GSAs) in their water budget development per the Groundwate...
i08 B118 CA GroundwaterBasins
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resourc...
California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG)
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- 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...
2025 UWMP Reporting
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: PDF
This DWR Open Data Publication includes the necessary reporting materials to complete the 2025 Urban Water Management Plan (UWMP). Urban Water Managem...
DWR Enterprise Monitoring Well Network
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: CSV
The Department of Water Resources (DWR) Enterprise Monitoring Well Network dataset contains information regarding wells monitored by DWR. The wells in...
DWR Continuous Global Positioning System (CGPS) Sites
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: CSV
DWR Continuous Global Positioning System (CGPS) sites that are part of the network of CGPS stations that SOPAC/CSRC (http://sopac-csrc.ucsd.edu/) main...
CalSim 3.0 Release
- Published by: California Department of Water Resources
- Last updated: Monday, April 6, 2026
- File types: ZIP, PDF
CalSim 3.0 Release to the public...