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89 datasets

WellSTAR Underground Gas Storage: Project Boundaries

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map displays California’s active Underground Gas Storage (UGS) projects and wells associated to UGS projects. Project data and well data a...

WellSTAR Underground Gas Storage: Area of Review Wells

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map displays California’s active Underground Gas Storage (UGS) projects and wells associated to UGS projects. Project data and well data a...

WellSTAR Oil and Gas Facilities: Tanks

Published by: California Department of Conservation
Last updated: Friday, January 30, 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 tanks.CalGEM is the Geologic Energy Management Div...

Approved Notice of Intention/Permit

Published by: California Department of Conservation
Last updated: Friday, January 30, 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, ...

Submitted Notice of Intention

Published by: California Department of Conservation
Last updated: Friday, January 30, 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, ...

Well Stimulation Permit

Published by: California Department of Conservation
Last updated: Friday, January 30, 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, ...

Hydraulic Fracturing

Published by: California Department of Conservation
Last updated: Friday, January 30, 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, ...

RegMapsLinks 20251120

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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

California Important Farmland: Most Recent

Published by: California Department of Conservation
Last updated: Friday, January 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset may be a mix of two years and is updated as the data is released for each county. For example, one county may have data from 2014 while a...

Fault Activity Map of California (2010)

Published by: California Department of Conservation
Last updated: Thursday, January 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

"This digital database contains the faults shown on the Fault Activity Map of California by Charles W. Jennings and William A. Bryant published i...