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802 datasets

Drinking Water - Public Water System Information

Published by: California State Water Resources Control Board
Last updated: Thursday, August 22, 2024
File types: PDF, CSV

The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton fo...

California Water Rights Water Use Reported

Published by: California State Water Resources Control Board
Last updated: Tuesday, August 26, 2025
File types: ZIP, CSV, XLSX, DOCX, PDF

This list includes detail information for WATER USE as reported annually under each water right as stored in the State Water Resources Control Board...

Surface Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, September 30, 2025
File types: CSV, PDF

This data set lists active and historical enforcement actions records that are stored in the [California Integrated Water Quality System](https://www....

Ground Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, September 2, 2025
File types: CSV

GeoTracker is the Water Boards' data management system for sites that impact, or have the potential to impact, water quality in California, with empha...

Drinking Water - Public Water System Operations Monthly Water Production and Conservation Information

Published by: California State Water Resources Control Board
Last updated: Monday, July 17, 2023
File types: PDF, CSV

Monthly reports of the larger urban water suppliers in California on water production and conservation activities, from the California State Water Res...

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 - Water Quality Regulated Facility Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, September 30, 2025
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 Facilitated Non-Project Water Transfers

Published by: California Department of Water Resources
Last updated: Thursday, October 9, 2025
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...

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 ...

Water Balance to Water Budget Pilot Project Data

Published by: California Department of Water Resources
Last updated: Thursday, October 9, 2025
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...