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106 datasets

CGS Information Warehouse: Landslide Maps and Reports

Published by: California Department of Conservation
Last updated: Friday, June 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stabili...

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

Published by: California Department of Conservation
Last updated: Friday, June 19, 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...

Well Stimulation Permit By Type

Published by: California Department of Conservation
Last updated: Thursday, June 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map locates the wells that have NOI records in the CalGEM WellSTAR database, and provides well NOI information including operator, lease, ...

WellSTAR Oil and Gas Facilities: Boundaries

Published by: California Department of Conservation
Last updated: Friday, June 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map displays facility sites in group or by facility types in separate layers: Facility Boundary layer digitized by CalGEM to show the area...

Post Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Friday, June 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This post primacy aquifer exemption data depicts areas exempted by the US EPA for Class II injection after the March 14, 1983 Primacy agreement betwee...

CGS Mineral Hazards: Indoor Radon Potential Study Areas

Published by: California Department of Conservation
Last updated: Thursday, June 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Study area boundaries for indoor radon potential conducted by the California Geological Survey....

CalGEM: Geothermal Wells

Published by: California Department of Conservation
Last updated: Thursday, June 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map represents geothermal wells regulated by the Geologic Energy Management Division. CalGEM is the Geologic Energy Management Division of...

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

Published by: California Department of Conservation
Last updated: Friday, June 19, 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...

WellSTAR: Oil and Gas Wells

Published by: California Department of Conservation
Last updated: Thursday, June 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map represents oil and gas wells in the CalGEM Well Statewide Tracking and Reporting System, or WellSTAR. Wells are displayed by well type...

WellSTAR Oil and Gas Facilities: Tank Settings

Published by: California Department of Conservation
Last updated: Thursday, June 18, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map displays facility sites in group or by facility types in separate layers: including tank settings.CalGEM is the Geologic Energy Manage...