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
416 datasets
Well Completion Reports
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 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...
California Population Trends by Geography
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- File types: CSV, WEBSITE
This dataset provides population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed...
GSP Monitoring Data
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- File types: CSV
The Groundwater Sustainability Plan (GSP) Monitoring dataset contains the monitoring sites and associated groundwater level, subsidence or streamflow ...
Groundwater Sustainability Plan Annual Report Data
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- 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: Thursday, January 29, 2026
- 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...
Dry Well Reporting System Data
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 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...
Water Quality Data
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- File types: CSV
The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 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...
CalSim 3.0 Release
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- File types: ZIP, PDF
CalSim 3.0 Release to the public...
WDL Ground Surface Displacement - Land Subsidence Monitoring
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- File types: CSV
Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bott...