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 Flood-MAR Water Quality Sampling Pilot
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
A repository of Pilot-specific documents used for targeted Pilot outreach and implementation....
California's Groundwater Semi-Annual Conditions Updates
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the...
DWR Telemetered Wells
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: CSV
The Department of Water Resources Telemetered Wells dataset contains information regarding wells within the DWR monitoring network that have telemetry...
Data for Calculating Efficient Outdoor Water Uses
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- 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 ...
Well Completion Reports
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- 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's Groundwater Update 2025 (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
California's Groundwater: Bulletin 118 Updates (CalGW Updates) are California's foremost technical publications on groundwater in the state. The Depar...
Clifton Court Forebay Predation Study - (LEG) - Fish Sampling v2
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types:
This dataset contains data on predatory fish which were collected during the 2013-2018 CCFPS studies. Fish were captured using hook and line or gillne...
CalSIP Stream Gages
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- 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...
California Population Trends by Geography
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- 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...
1D Subsidence Modeling Files for the Central Valley
- Published by: California Department of Water Resources
- Last updated: Saturday, December 6, 2025
- File types: PDF
Model files and technical memorandum for one-dimensional subsidence models that are discussed in DWR's DRAFT subsidence best management practices (BMP...