California State Water Resources Control Board
Website: https://www.waterboards.ca.gov/
To preserve, enhance, and restore the quality of California’s water resources and drinking water for the protection of the environment, public health, and all beneficial uses, and to ensure proper water resource allocation and efficient use, for the benefit of present and future generations.
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55 datasets
Urban Retail Water Supplier - Water Conservation, Supply, and Demand (June 2014 onwards)
- Published by: California State Water Resources Control Board
- Last updated: Monday, March 17, 2025
- File types: PDF, CSV, XLSX
Monthly reports of water use and conservation activities by urban retail water suppliers, which are generally defined as agencies serving over 3,000 s...
California Water Rights Annual Reports (Detail Summary List)
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, March 12, 2025
- File types: CSV, XLSX, DOC, PDF
This list includes detail information as reported annually under each water right as stored in the State Water Resources Control Board's "Electronic W...
Surface Water Chemistry Results – CEDEN Augmentation
- Published by: California State Water Resources Control Board
- Last updated: Monday, March 3, 2025
- File types: CSV, PDF
These field and lab chemistry data are consistent with other CEDEN data found on this site and through the CEDEN query tool but they have not yet been...
Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop
- Published by: California State Water Resources Control Board
- Last updated: Monday, February 3, 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...
Wastewater User Charge Survey Data for FY 2012-13, FY 2014-15, FY 2016-17 and CY 2018
- Published by: California State Water Resources Control Board
- Last updated: Friday, December 20, 2024
- File types: CSV, XLSX, PDF
The State Water Resources Control Board (State Water Board) conducts regular surveys of sewer rates and connection (capacity) fees charged by wastewat...
Volumetric Annual Report of Wastewater and Recycled Water
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, December 17, 2024
- File types: PDF, CSV
The Water Quality Control Policy for Recycled Water (Recycled Water Policy) requires wastewater and recycled water dischargers (including dischargers ...
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...
Drinking Water - Results of Lead Sampling of Drinking Water in California Schools
- Published by: California State Water Resources Control Board
- Last updated: Monday, September 30, 2024
- File types: CSV
The Division of Drinking Water (DDW), in collaboration with the California Department of Education, has taken the initiative to begin testing for lead...
COVID-19 Wastewater Surveillance Data. California
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, September 10, 2024
- File types: CSV, DOCX, XLSX
NOTICE: As of September 6, 2024, the wastewater surveillance dataset will now be hosted on: https://data.chhs.ca.gov/dataset/wastewater-surveillance-d...
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...