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718 datasets

CalEnviroScreen 2.0

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: CSV, XLSX, PDF

The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...

BOE CityCounty

Published by: California Department of Tax and Fee Administration
Last updated: Monday, June 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This map includes change areas for city and county boundaries filed in accordance with Government Code 54900. The initial dataset was first published ...

BOE CityAnx2027

Published by: California Department of Tax and Fee Administration
Last updated: Monday, June 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This map includes change areas for city and county boundaries filed in accordance with Government Code 54900. The initial dataset was first published ...

Vegetation - Death Valley National Park [ds3305]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, June 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Death Valley National Park (DEVA) is a very large, 3.4-million-acre (1.4 hectares) unit of the National Park Service (NPS) located in California on th...

California Medicaid Eligibility Groups by Medi-Cal Aid Code

Published by: California Department of Health Care Services
Last updated: Sunday, June 21, 2026
File types: CSV, ZIP

This dataset identifies California’s eligibility groups by aid code. California uses aid codes to account for eligibility group populations and the e...

Polycyclic Aromatic Hydrocarbon Samples - 2011-2024 - OSPR [ds714]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, June 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds found in the environment associated with natural and anthropogenic activities...

Vegetation - Tijuana River [ds3033]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, June 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In 2016, Debbie Waldecker from California State Parks (CSP) led a team in a strongly field-based update of the Western San Diego County Vegetation dat...

i07 Habitat Delta 1977

Published by: California Department of Water Resources
Last updated: Sunday, June 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

1977 Delta Habitat Types were made digital by heads up digitizing registered scanned pages from 1979 Delta Environmental Atlas, produced by USACE. &qu...

Aspen Characteristics - Sequoia National Forest [ds377]

Published by: California Department of Fish and Wildlife
Last updated: Sunday, June 21, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The database represents point locations and associated stand assessment data collected within aspen stands in the Cannell Meadows Ranger District, Seq...

California School District Areas 2023-24

Published by: California Department of Education
Last updated: Sunday, June 21, 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 all school district area boundaries in California. School districts are single purpo...