Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Surface Water - Fecal Indicator Bacteria Monitoring Results
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
Search Water datasets
494 datasets
Water Plan Water Balance Data
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 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, January 29, 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...
DSM2
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- File types: HTML, ZIP, APPLICATION/X-MSDOS-PROGRAM, PDF
DSM2 models, data, and other resources. The links are in chronological order, with most recent releases at the top. * The Delta Simulation Model I...
California Groundwater Elevation Monitoring (CASGEM) Program
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 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, January 29, 2026
- 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: Thursday, January 29, 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: Thursday, January 29, 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 ...
California's Groundwater Update 2025 (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Thursday, January 29, 2026
- File types: PDF
California's Groundwater: Bulletin 118 Updates (CalGW Updates) are California's foremost technical publications on groundwater in the state. The Depar...