Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
Surface Water - Fecal Indicator Bacteria Monitoring Results
Search Water datasets
501 datasets
California Groundwater Elevation Monitoring (CASGEM) Program
- Published by: California Department of Water Resources
- Last updated: Thursday, May 21, 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, May 21, 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, May 21, 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, May 21, 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, May 21, 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, May 21, 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, May 21, 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...
California's Groundwater (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Thursday, May 21, 2026
- File types: PDF
California’s Groundwater (Bulletin 118) is the State’s official publication on the occurrence and nature of groundwater in California. The latest vers...
Integrated Water Flow Model (IWFM)
- Published by: California Department of Water Resources
- Last updated: Thursday, May 21, 2026
- File types: PDF, ZIP
Publicly available versions of the Integrated Water Flow Model (IWFM)...