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
Well Completion Reports
Surface Water - Fecal Indicator Bacteria Monitoring Results
Search Water datasets
502 datasets
Water Plan Water Balance Data
- Published by: California Department of Water Resources
- Last updated: Thursday, June 18, 2026
- File types: PDF, .ZIP, ZIP
Department of Water Resources California Water Plan program computes applied, net, and depletion water balances for California. Water balances are sim...
i03 WaterDistricts
- Published by: California Department of Water Resources
- Last updated: Thursday, June 18, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset represents polygon boundaries of all public water agencies in California including public water systems, agricultural water districts, ur...
California Groundwater Elevation Monitoring (CASGEM) Program
- Published by: California Department of Water Resources
- Last updated: Thursday, June 18, 2026
- File types: PDF
Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...
DWR Flood-MAR Water Quality Sampling Pilot
- Published by: California Department of Water Resources
- Last updated: Thursday, June 18, 2026
- File types: PDF
A repository of Pilot-specific documents used for targeted Pilot outreach and implementation....
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: Thursday, June 18, 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 ...
CalSIP Stream Gages
- Published by: California Department of Water Resources
- Last updated: Thursday, June 18, 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: Thursday, June 18, 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: Thursday, June 18, 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: Thursday, June 18, 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...