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1256 datasets

Open Data User Guide

  • Published by: California Natural Resources Agency
  • Last updated: Saturday, April 4, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API

This guide will introduce the open data resources available in the CA Nature website and familiarize you with key features and capabilities of the sit...

CDPH-Wastewater Surveillance Data, California

  • Published by: California Department of Public Health
  • Last updated: Thursday, April 9, 2026
  • File types: CSV, XLSX, ZIP

The California Department of Public Health (CDPH) is coordinating with wastewater utilities, local health departments, academic researchers, and labor...

California's Groundwater Live Supporting Data

  • Published by: California Department of Water Resources
  • Last updated: Thursday, April 9, 2026
  • File types: HTML, JPEG, PDF, DOCX, ZIP

This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly pl...

COVID-19 Outbreak Data (ARCHIVED)

  • Published by: California Department of Public Health
  • Last updated: Thursday, April 9, 2026
  • File types: CSV, ZIP

Note: This dataset is no longer being updated as of June 2, 2025. This dataset contains numbers of COVID-19 outbreaks and associated cases, categor...

Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019

  • Published by: California Department of Water Resources
  • Last updated: Thursday, April 9, 2026
  • File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

DWC COVID-19 Claims Data

  • Published by: California Department of Industrial Relations
  • Last updated: Tuesday, August 12, 2025
  • File types: CSV

The Division of Workers’ Compensation (DWC), Workers’ Compensation Information System (WCIS) has been collecting First Reports of Injury (FROI) and Su...

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...

Horizontal Integration Bridge Data Report

  • Published by: California Department of Social Services
  • Last updated: Thursday, April 9, 2026
  • File types: XLSX, ZIP

The California Healthcare Eligibility, Enrollment, and Retention System (CalHEERS) is an automated system that serves as a consolidated system support...

CAL FIRE Damage Inspection (DINS) Data

  • Published by: CAL FIRE
  • Last updated: Friday, April 10, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This database represents structures impacted by wildland fire that are inside or within 100 meters of the fire perimeter. Information such as structur...

2010 Urban Water Management Plan (UWMP) Data

  • Published by: California Department of Water Resources
  • Last updated: Thursday, April 9, 2026
  • File types: XLS, XLSX, PNG

Numeric data gleaned from the 2010 UWMP reports as reported in the DOST database....