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731 datasets

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...

Draft Terrestrial Landscape Intactness for 2026-2027 IRP

Published by: California Energy Commission
Last updated: Tuesday, June 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This category of planning priorities provides an estimate of terrestrial landscape condition based on the extent to which human impacts such as agricu...

SVSim: Sacramento Valley Groundwater-Surface Water Simulation Model

Published by: California Department of Water Resources
Last updated: Tuesday, June 23, 2026
File types: ZIP, PDF, CSV, XLSX, .ZIP

The Department of Water Resources (DWR) has developed a new model, the Sacramento Valley Groundwater-Surface Water Simulation Model (SVSim). This new ...

California's Groundwater Update 2025 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Tuesday, June 23, 2026
File types: PDF, XLS, URL, .ZIP

California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater r...

Data for Calculating Efficient Outdoor Water Uses

Published by: California Department of Water Resources
Last updated: Tuesday, June 23, 2026
File types: CSV, XLS, XLSX

October 31, 2025 (Final DWR Data) The 2018 Legislation required DWR to provide or otherwise identify data regarding the unique local conditions to ...

California Land Ownership

Published by: CAL FIRE
Last updated: Tuesday, June 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset was updated May, 2025.This ownership dataset was generated primarily from CPAD data, which already tracks the majority of ownership infor...

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...

Surface Water - Flow Targets for Southern California Streams

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

Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physic...

Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop

Published by: California State Water Resources Control Board
Last updated: Monday, November 10, 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...

Water Shortage Vulnerability Analysis Archive

Published by: California Department of Water Resources
Last updated: Tuesday, June 23, 2026
File types: FILE GEODATABASE, ZIP, EXCEL (XLSX)

This page is meant to act as an archival repository for previous Water Shortage Vulnerability analyses, which includes the Water Shortage Vulnerabilit...