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State of California Open Data

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4358 datasets

Surface Water - Freshwater Harmful Algal Blooms

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, August 5, 2025
  • File types: PDF, CSV

Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...

SWAMP Data Dashboard

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, August 4, 2025
  • File types: CSV

The Surface Water Ambient Monitoring Program (SWAMP) mission is to provide resource managers, decision makers, and the public with timely, high-qualit...

CalHHS Dataset Catalog

  • Published by: California Health and Human Services Agency
  • Last updated: Tuesday, August 5, 2025
  • File types: ZIP

This dataset is a catalog of all the datasets available on the CalHHS Open Data Portal. Each item in the catalog represents a dataset and includes the...

California Public Schools 2024-25

  • Published by: California Department of Education
  • Last updated: Tuesday, August 5, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This layer serves as the authoritative geographic data source for California's K-12 public school locations during the 2024-25 academic year. Schools ...

Surface Water - Indicator Bacteria Results

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, August 4, 2025
  • File types: CSV, PDF

Indicator bacteria data from the California Environmental Data Exchange Network (CEDEN) and BeachWatch databases. Results include E. coli, enterococci...

COVID-19 Vaccine Progress Dashboard Data by ZIP Code

  • Published by: California Department of Public Health
  • Last updated: Monday, August 4, 2025
  • File types: XLSX, CSV, ZIP

Note: In these datasets, a person is defined as up to date if they have received at least one dose of an updated COVID-19 vaccine. The Centers for Dis...

COVID-19 Vaccine Progress Dashboard Data

  • Published by: California Department of Public Health
  • Last updated: Monday, August 4, 2025
  • File types: ZIP, CSV, XLSX

Note: In these datasets, a person is defined as up to date if they have received at least one dose of an updated COVID-19 vaccine. The Centers for Dis...

DIR Electrician Certification Unit (ECU)

  • Published by: California Department of Industrial Relations
  • Last updated: Monday, August 4, 2025
  • File types: CSV

This dataset contains California certified electricians and electrician trainees lists maintained by the Department of Industrial Relation's Electrici...

California WIC Authorized Product List

  • Published by: California Department of Public Health
  • Last updated: Monday, August 4, 2025
  • File types: ZIP, CSV

This dataset represents the list of CA WIC authorized food items identified by food category and subcategory. Each item is uniquely identified by a Un...

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

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, August 4, 2025
  • 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...

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