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18 datasets

CNRA Open Data Platform Metadata Schema

Published by: California Natural Resources Agency
Last updated: Saturday, February 21, 2026
File types: EXCEL (XLSX), HTML, GEOJSON

included in this dataset are helpful links and files on the metadata schema for the CNRA Open Data Platform...

CGS Mineral Hazards: Indoor Radon Potential Study Areas

Published by: California Department of Conservation
Last updated: Saturday, February 28, 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....

CGS Liquefaction Zones

Published by: California Department of Conservation
Last updated: Friday, February 27, 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...

Post Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Saturday, February 28, 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...

Post Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Saturday, February 28, 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 Alquist Priolo Fault Zones

Published by: California Department of Conservation
Last updated: Friday, February 27, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This data set contains the Alquist-Priolo Earthquake Fault Zones as shown on the Official Alquist-Priolo Earthquake Fault Zones Maps. The dataset is c...

CGS Mineral Hazards: Indoor Radon Potential Zones

Published by: California Department of Conservation
Last updated: Saturday, February 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This digital layer contains polygons (vector format) of portions of California designated as having high, moderate, low, or unknown potential for home...

CGS SHZ Unevaluated Areas

Published by: California Department of Conservation
Last updated: Friday, February 27, 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 and landslides may occur during a strong earthquake. Three types of geol...

Geologic Map of California (2010)

Published by: California Department of Conservation
Last updated: Friday, February 27, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This edition of the Geologic Map of California was prepared in recognition of the California Geological Survey's 150th Anniversary. It is an all-digit...

DMR All Mines

Published by: California Department of Conservation
Last updated: Saturday, February 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, OGC WFS, CSV, ZIP, GEOJSON, KML

This service presents location, status, and other information regarding mining operations regulated under the Surface Mining and Reclamation Act of 1...