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784 datasets

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**NOTE: This dataset is no longer being updated.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...

Surface Water - Water Quality Regulated Facility Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, March 24, 2026
File types: CSV, XLSX, PDF

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboar...

State Water Project Routine Water Quality Monitoring

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: CSV, LINK, PDF

The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada ...

Drinking Water - Public Water Systems Rates Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 29, 2019
File types: CSV, PDF

Public Water Systems (PWS) submit their annual reports with rate information using the Electronic Annual Report (EAR) submission process on the Drinki...

Surface Water - 2017 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: ZIP

The California Water Boards’ Water Data Center is proud to present the CA Water Quality Status Report. This report is an annual data-driven snapshot ...

State Water Project Facilitated Non-Project Water Transfers

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: WEB APP

A [water transfer](https://water.ca.gov/Programs/State-Water-Project/Management/Water-Transfers) is a voluntary sale of water proposed and initiated b...

Water Balance to Water Budget Pilot Project Data

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: .XLSX

Workbook showing the mapping of the California Water Plan Water Supply and Balance data to the Water Budget Handbook's standardized accounting templat...

i07 Water Shortage Vulnerability Small Water Systems

Published by: California Department of Water Resources
Last updated: Monday, April 6, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using Small Water System boundaries pulled from the SWRCB (State Wate...

Surface Water - 2018 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 29, 2019
File types: CSV, ZIP

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This second editio...

Drinking Water - Public Water System Annually Reported Water Production and Delivery Information 2013-2022

Published by: California State Water Resources Control Board
Last updated: Wednesday, November 27, 2024
File types: PDF, ZIP, CSV, XLSX

Amount of water produced by month and by source and the water delivered by type of use and by month for every Public Water System (PWS) reporting. Pub...