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
499 datasets
IWFM-IDC Users Group Meetings
- Published by: California Department of Water Resources
- Last updated: Sunday, April 26, 2026
- File types: ZIP, MP4
Presentations given in the previous IWFM-IDC Users Group Meetings. Bay-Delta Office of DWR develops, maintains and provides technical support on the I...
Drinking Water - Public Water System Operations Monthly Water Production and Conservation Information
- Published by: California State Water Resources Control Board
- Last updated: Thursday, December 11, 2025
- File types: PDF, CSV
**NOTE: This dataset is no longer being updated. For current water supply and conservation data, please use this dataset: [Urban Retail Water Supplier...
Water Plan Water Balance Data
- Published by: California Department of Water Resources
- Last updated: Sunday, April 26, 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: Sunday, April 26, 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: Sunday, April 26, 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: Sunday, April 26, 2026
- File types: PDF
A repository of Pilot-specific documents used for targeted Pilot outreach and implementation....
California's Groundwater Semi-Annual Conditions Updates
- Published by: California Department of Water Resources
- Last updated: Sunday, April 26, 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: Monday, April 27, 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, April 26, 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...