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.
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410 datasets
DWR Continuous Data Download Links
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
Stations and a table of download links for time-series data, from DWR's continuous environmental monitoring database. For more information, see DWR's...
Daily SWP Reservoir Elevation and Storage Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
This dataset contains the daily elevation and storage data for the State Water Project reservoirs....
Water Plan Water Balance Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF, .ZIP, ZIP
Department of Water Resources California Water Plan program computes applied, net, and depletion water balances for California. Water balances are sim...
Groundwater Sustainability Plan Annual Report Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA...
Periodic Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV, ZIP, TXT
The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resour...
GSP Monitoring Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...
Dry Well Reporting System Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
In California, water systems serving one (1) to 15 households are regulated at the county level. Counties vary in their practices, but rarely do count...
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
This dataset contains annual validated water loss audit reports submitted to the Department of Water Resources by California urban retail water suppli...
DSM2 Input 2025-09-18 historical update
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- 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: ...
DSM2
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: HTML, ZIP, APPLICATION/X-MSDOS-PROGRAM, PDF
DSM2 models, data, and other resources. The links are in chronological order, with most recent releases at the top. * The Delta Simulation Model I...