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
424 datasets
Water Plan Water Balance Data
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- 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...
i03 WaterDistricts
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset represents polygon boundaries of all public water agencies in California including public water systems, agricultural water districts, ur...
California Groundwater Elevation Monitoring (CASGEM) Program
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: PDF
Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...
DWR Flood-MAR Water Quality Sampling Pilot
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: PDF
A repository of Pilot-specific documents used for targeted Pilot outreach and implementation....
Data for Calculating Efficient Outdoor Water Uses
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: CSV, XLS, XLSX
October 31, 2025 (Final DWR Data) The 2018 Legislation required DWR to provide or otherwise identify data regarding the unique local conditions to ...
CalSIP Stream Gages
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: ARCGIS GEOSERVICES REST API, CSV
### More information can be found at the CA DWR California Stream Improvement Program webpage at https://water.ca.gov/Work-With-Us/Technical-Assistanc...
DSM2 Cross-Section Development Program (CSDP)
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: ZIP, HTML
The CSDP is used to create geometry for DSM2. The latest version of the CSDP is v20251013....
California Groundwater Recharge Information
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: HTML, PDF
The following information is to support groundwater recharge efforts coordinated by the California Department of Water Resources, State Water Resource...
Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 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...
California's Groundwater (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Sunday, June 14, 2026
- File types: PDF
California’s Groundwater (Bulletin 118) is the State’s official publication on the occurrence and nature of groundwater in California. The latest vers...