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DWR Flood-MAR Water Quality Sampling Pilot
- Published by: California Department of Water Resources
- Last updated: Monday, December 15, 2025
- File types: PDF
A repository of Pilot-specific documents used for targeted Pilot outreach and implementation....
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
- Published by: California State Water Resources Control Board
- Last updated: Friday, November 21, 2025
- File types: PDF, CSV, ZIP
One of California's biggest industries is tourism, and beaches are a significant tourist attraction as well as being an integral part of California’s ...
California's Groundwater Semi-Annual Conditions Updates
- Published by: California Department of Water Resources
- Last updated: Monday, December 15, 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...
Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop
- Published by: California State Water Resources Control Board
- Last updated: Monday, November 10, 2025
- File types: PDF, HTML, CSV, SHP, ZIP, PPTX
The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of th...
Data for Calculating Efficient Outdoor Water Uses
- Published by: California Department of Water Resources
- Last updated: Monday, December 15, 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 ...
California's Groundwater Update 2025 (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Monday, December 15, 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: Monday, December 15, 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: Monday, December 15, 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: Monday, December 15, 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: Monday, December 15, 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...