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350 datasets

2005 Urban Water Management Plans (UWMPs) Historic Information

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PDF

2005 Urban Water Management Plans (UWMPs) Historic Information...

Urban Retail Water Supplier - Water Conservation, Supply, and Demand (June 2014 onwards)

Published by: California State Water Resources Control Board
Last updated: Monday, March 16, 2026
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...

2019 California Water Quality Status Report

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

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

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...

California Water Rights Water Use Reported

Published by: California State Water Resources Control Board
Last updated: Wednesday, April 1, 2026
File types: XLSX, ZIP, CSV, 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 - 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 ...

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 Number of Service Connections Metered and Unmetered by Service Connection Type

Published by: California State Water Resources Control Board
Last updated: Thursday, May 8, 2025
File types: PDF, CSV, ZIP

This dataset includes the number of service connections, categorized by type and metering status, as submitted by public water systems via the electro...

California Water Rights Measurement Devices (Reported in Annual Report)

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOCX, PDF

This list includes detail information about the measurement devices and measurement methods associated with the diversion and storage of water as repo...

WEAP Future Scenarios Model for Water Plan Update 2023

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP, PDF, CSV

California Water Code Section 10004.6 requires the California Department of Water Resources (DWR) to quantify current and future water conditions in t...