Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Beach Advisories (Postings and Closures) and Beach Water Quality Monitoring
Surface Water - Fecal Indicator Bacteria Monitoring Results
Well Completion Reports
Search Water datasets
497 datasets
California's Groundwater Semi-Annual Conditions Updates
- Published by: California Department of Water Resources
- Last updated: Sunday, March 22, 2026
- 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: Sunday, March 22, 2026
- 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 ...
Clifton Court Forebay Predation Study - (LEG) - Fish Sampling v2
- Published by: California Department of Water Resources
- Last updated: Sunday, March 22, 2026
- 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: Sunday, March 22, 2026
- 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...
DSM2 Cross-Section Development Program (CSDP)
- Published by: California Department of Water Resources
- Last updated: Sunday, March 22, 2026
- File types: ZIP, HTML
The CSDP is used to create geometry for DSM2. The latest version of the CSDP is v20251013....
California Groundwater Recharge Information
- Published by: California Department of Water Resources
- Last updated: Sunday, March 22, 2026
- File types: HTML, PDF
The following information is to support groundwater recharge efforts coordinated by the California Department of Water Resources, State Water Resource...
Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)
- Published by: California Department of Water Resources
- Last updated: Sunday, March 22, 2026
- File types: XLSX
September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data repo...
i06 Bathy NCRO 20230720 MiddleRiverSouth
- Published by: California Department of Water Resources
- Last updated: Sunday, March 22, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Depar...
i06 Bathy NCRO 20240521 GrantLine FabianBell Canal
- Published by: California Department of Water Resources
- Last updated: Sunday, March 22, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Depar...