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1065 datasets

Earthquake Zones of Required Investigation Maps and Reports

Published by: California Department of Conservation
Last updated: Thursday, January 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory &q...

Vegetation - Santa Lucia Preserve [ds2924]

Published by: California Department of Fish and Wildlife
Last updated: Friday, January 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Aerial Information Systems, Inc (AIS) was contracted to create both a baseline vegetation map derived from 1990s-era imagery and an updated 2010 veget...

i03 Adjudicated Areas

Published by: California Department of Water Resources
Last updated: Thursday, January 1, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Adjudication is a form of groundwater management in California through the courts. When groundwater resources do not meet water demands in an area, la...

Rail Lines BNSF, UPRR

Published by: Caltrans
Last updated: Friday, January 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The objective is to delineate potential crude by rail routes across California, focusing on a subset of the Caltrans "California Rail Network" dataset...

CGS Information Warehouse: Mineral Land Classification Maps (SMARA Study Areas)

Published by: California Department of Conservation
Last updated: Friday, January 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq...

CGS Information Warehouse: Mineral Land Classification Maps (SMARA Petitions)

Published by: California Department of Conservation
Last updated: Friday, January 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Mineral Land Classification studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq...

CNDDB-tracked Elements by Quad [ds2853] Extended Table

Published by: California Department of Fish and Wildlife
Last updated: Friday, January 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset provides basic California Natural Diversity Database (CNDDB) information at the USGS 7.5 minute topographic quad level....

Barred Owl Observations by PLSS Section [ds2873]

Published by: California Department of Fish and Wildlife
Last updated: Friday, January 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This public dataset is a summary of the information contained in the Barred Owl Observations Database (BDOWDB, [ds8], secured). The BDOWDB provides po...

CGS Liquefaction Zones

Published by: California Department of Conservation
Last updated: Friday, January 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This is a digital Seismic Hazard Zone Map presenting areas where liquefaction may occur during a strong earthquake. Developers of properties falling w...

Department of Child Support Services Distributed Collections By Assistance Type FFY 2015 - FFY 2024

Published by: California Department of Child Support Services
Last updated: Monday, December 29, 2025
File types: CSV, DOCX, ZIP

This data table provides distributed collection data for California child support cases. The data is sorted by counties and categorized as Current or ...