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4458 datasets

Hazardous Waste Id Numbers

Published by: California Department of Toxic Substances Control
Last updated: Wednesday, June 3, 2026
File types: CSV

Hazardous waste identification (ID) numbers are issued by the U.S. Environmental Protection Agency (Federal EPA ID number) or by the Department of Tox...

California Crash Reporting System (CCRS)

Published by: California Highway Patrol
Last updated: Wednesday, June 3, 2026
File types: DOCX, CSV

Statistic crash records within State of California...

Power Outage Incidents

Published by: California Office of Emergency Services
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The power outages in this layer are pulled directly from the utility public power outage maps and is automatically updated every 15 minutes. This data...

Power Outage Areas

Published by: California Office of Emergency Services
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The power outages in this layer are pulled directly from the utility public power outage maps and is automatically updated every 15 minutes. This data...

Power Outages by County

Published by: California Office of Emergency Services
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The power outages in this layer are pulled directly from the utility public power outage maps and is automatically updated every 15 minutes. This data...

California Evacuation Aggregation Layer

Published by: California Office of Emergency Services
Last updated: Wednesday, June 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This feature service is an aggregation of multiple California County Evacuation Zone services that are being refreshed every 10 minutes. The schema us...

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Wednesday, June 3, 2026
File types: PDF, CSV

Attention: Please note that the Freshwater Harmful Algal Bloom resources on the California Open Data Portal will not be updated from June 3 through Ju...

Surface Water - Fecal Indicator Bacteria Monitoring Results

Published by: California State Water Resources Control Board
Last updated: Wednesday, June 3, 2026
File types: CSV, PDF

Attention: Please note that the Safe to Swim map and its associated resources on California Open Data Portal will not be updated between June 3 to Jun...

Well Completion Reports

Published by: California Department of Water Resources
Last updated: Wednesday, June 3, 2026
File types: CSV, XLSX

This Well Completion Report dataset represents an index of records from the California Department of Water Resources' (DWR) Online System for Well Com...

California Public Schools 2025-26

Published by: California Department of Education
Last updated: Wednesday, June 3, 2026
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 TK/K-12 public school locations for the 2025-26 academic year. Schools ...