ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

Search results

Search results

194 datasets

Toxicity Criteria Database

  • Published by: California Office of Environmental Health Hazard Assessment
  • Last updated: Tuesday, December 30, 2025
  • File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

Active Transportation Count Dataset

  • Published by: Caltrans
  • Last updated: Wednesday, February 18, 2026
  • File types: PDF, XLSX, CSV

The Pedestrian and Bicycle Count Dataset documents non motorized traffic on state highways, originating from Caltrans district pilots initiated in 202...

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...

COVID-19 Vaccine Progress Dashboard Data

  • Published by: California Department of Public Health
  • Last updated: Monday, May 18, 2026
  • 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...

Surface Water - Benthic Macroinvertebrate Results

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, April 14, 2026
  • File types: PDF, CSV, ZIP

Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...

Surgical Site Infections (SSIs) for Operative Procedures in California Hospitals

  • Published by: California Department of Public Health
  • Last updated: Monday, May 18, 2026
  • File types: CSV, ZIP

These datasets show surgical site infections (SSIs) reported by California hospitals to the California Department of Public Health (CDPH), Healthcare-...

California County Boundaries and Identifiers

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...

California County Boundaries and Identifiers with Coastal Buffers

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...

California City Boundaries and Identifiers

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...

California City Boundaries and Identifiers with Coastal Buffers

  • Published by: California Department of Technology
  • Last updated: Wednesday, October 1, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Note: The schema changed in February 2025 - please see below. We will post a roadmap of upcoming changes, but service URLs and schema are now stable. ...