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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423 datasets
DWR Continuous Data Download Links
- Published by: California Department of Water Resources
- Last updated: Saturday, June 6, 2026
- 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...
Well Completion Reports
- Published by: California Department of Water Resources
- Last updated: Saturday, June 6, 2026
- File types: CSV, XLSX
This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Com...
Spatial CIMIS ETo maps — Daily Reference Evapotranspiration for California
- Published by: California Department of Water Resources
- Last updated: Saturday, June 6, 2026
- File types: GEOTIFF, TXT
🔔 Full-year 2025 data now available — Complete daily ETo for January–December 2025 has been published, replacing the partial-year v1 file. See the Ch...
Groundwater Sustainability Plan Annual Report Data
- Published by: California Department of Water Resources
- Last updated: Saturday, June 6, 2026
- File types: CSV
The Groundwater Sustainability Plan (GSP) Annual Report (AR) datasets contain the following data submitted by Groundwater Sustainability Agencies (GSA...
GSP Monitoring Data
- Published by: California Department of Water Resources
- Last updated: Saturday, June 6, 2026
- 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, June 6, 2026
- 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, June 6, 2026
- 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...
Water Shortage Vulnerability Analysis Archive
- Published by: California Department of Water Resources
- Last updated: Friday, June 5, 2026
- File types: FILE GEODATABASE, ZIP, EXCEL (XLSX)
This page is meant to act as an archival repository for previous Water Shortage Vulnerability analyses, which includes the Water Shortage Vulnerabilit...
DWR Telemetered Wells
- Published by: California Department of Water Resources
- Last updated: Saturday, June 6, 2026
- File types: CSV
The Department of Water Resources Telemetered Wells dataset contains information regarding wells within the DWR monitoring network that have telemetry...
DWR Technical Support Services (TSS)
- Published by: California Department of Water Resources
- Last updated: Saturday, June 6, 2026
- File types: CSV
(Webpage Under Development) The Department of Water Resources (DWR) provides Technical Support Services (TSS) to assist Groundwater Sustainability ...