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
418 datasets
California Population Trends by Geography
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 2026
- File types: CSV, WEBSITE
The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...
State Water Project Routine Water Quality Monitoring
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 2026
- File types: CSV, LINK, PDF
The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada ...
DWR's Basin Characterization Program
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 2026
- File types: .ZIP, ZIP, FILE GEODATABASE, PDF
DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...
Periodic Groundwater Level Measurements
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 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...
CA Urban Retail Water System Water Loss Annual Loss Audit Data
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 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...
DWR Continuous Data Download Links
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 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...
California's Groundwater Live Supporting Data
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 2026
- File types: HTML, JPEG, PDF, DOCX, ZIP
This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly pl...
DWR Telemetered Wells
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 2026
- File types: CSV
The Department of Water Resources Telemetered Wells dataset contains information regarding wells within the DWR monitoring network that have telemetry...
Water Shortage Vulnerability Datasets
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 2026
- File types: HTML
This is the landing page for navigating to all of the water shortage vulnerability datasets provided by California Department of Water Resources. Plea...
Suisun Marsh Monitoring Program Channel Water Salinity Report
- Published by: California Department of Water Resources
- Last updated: Thursday, March 12, 2026
- File types: PDF
Monthly salinity reports for the Suisun Marsh from October through May of each year....