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191 datasets

Urban Water Data - Drought Planning and Management

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: CSV, PDF

This data package aims to pilot an approach for providing usable data for analyses related to drought planning and management for urban water supplier...

COVID-19 Dashboard (ARCHIVED)

Published by: California Department of Public Health
Last updated: Saturday, July 4, 2026
File types: CSV, ZIP

Note: This dataset is no longer being updated as of September 20, 2025. The dashboard is updated each Friday. Laboratory surveillance data: Cali...

State Water Project Facilitated Non-Project Water Transfers

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
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...

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...

Environmental Monitoring Program: Discrete Water Quality Data

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: CSV, PDF

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) was initiated in compliance with the Water Right Decision D-1379 (no...

Paleo-Dendrochronological "Tree-Ring" Hydroclimatic Reconstructions for Northern and Southern California River Basins

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: PDF, CSV, ZIP

### Background Tree-ring chronologies allow assessment of hydrologic variability over centuries to millennia, gives historic context for assessing re...

Gridded Weather Generator Perturbations of Historical Detrended and Stochastically Generated Temperature and Precipitation for the State of CA and HUC8s

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: TXT, JPEG, XLSX, CSV, NETCDF

The Weather Generator Gridded Data consists of two products: [1] statistically perturbed gridded 100-year historic daily weather data including pre...

Patient Origin/Market Share (Pivot Profile)–Inpatient, Emergency Department, and Ambulatory Surgery

Published by: Department of Health Care Access and Information
Last updated: Saturday, July 4, 2026
File types: .XLSX, XLSX, ZIP

This dataset contains annual Excel pivot tables that identify where a facility’s patients come from (Patient Origin) and where patients from a specifi...

Western Grebe - Avian Knowledge Network (AKN) [ds237]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, July 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set contains basic observation information on Western Grebes in California and is provided by the Avian Knowledge Network (AKN). AKN is a jo...

Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems

Published by: California State Water Resources Control Board
Last updated: Saturday, July 4, 2026
File types: PDF, EXCEL (XLSX), CSV

The Division of Drinking Water (DDW) identifies Failing and At-Risk community water systems and K-12 non-transient, non-community schools. This inform...