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3600 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...

Drinking Water - Laboratory Water Quality Results

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

The Division of Drinking Water requires laboratories to submit water quality data directly. The data is received, and published twice monthly on the D...

California Water Rights Points of Diversion LIST (Detail Summary List)

Published by: California State Water Resources Control Board
Last updated: Tuesday, August 26, 2025
File types: CSV, XCL

This list includes detail information about every Point of Diversion water rights record in the State Water Resources Control Board's "Electronic Wate...

DCP Water Quality and Temperature

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

The DCP Water Quality and Temperature Study is one of many relicensing documents for the Devil Canyon Project (DCP) Hydropower Project Number 14797. T...

SSWP Water Quality and Temperature

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

The SSWP Water Quality and Temperature Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The Califor...

i07 Water Shortage Social Vulnerability BlockGroups

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 social vulnerability analysis performed by DWR using Census 2021 block groups as the unit of analysis. This f...

i07 Water Shortage Vulnerability Sections

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using modified PLSS sections pulled from the Well Completion Report P...

Water Quality Data

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

The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...

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...

Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)

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

September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data repo...