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90 datasets

WellSTAR Underground Gas Storage: Project Boundaries

  • Published by: California Department of Conservation
  • Last updated: Sunday, January 18, 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...

Setting

  • Published by: California Department of Conservation
  • Last updated: Sunday, January 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: 1. All facility types in separate layers including tank, tan...

WellSTAR: Well Stimulations

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

This online map provides the locations of wells that have been stimulated under an approved Well Stimulation Permit. The map display also provides inf...

DMR All Mines

  • Published by: California Department of Conservation
  • Last updated: Sunday, January 18, 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...

WellSTAR Notices and Permits: Well Permits

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

This online map provides the locations of submitted Well Permit records from CalGEM’s Well Statewide Tracking and Reporting System (WellSTAR) database...

CalGEM TR26: Onshore Seeps

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

This dataset is a digital version of the California Department of Conservation, Geologic Energy Management Division Publication No. TR26, Onshore Oil ...

CGS Mineral Hazards: Indoor Radon Potential Study Areas

  • Published by: California Department of Conservation
  • Last updated: Sunday, January 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....

Well Stimulation Permit

  • Published by: California Department of Conservation
  • Last updated: Sunday, January 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, ...

Hydraulic Fracturing

  • Published by: California Department of Conservation
  • Last updated: Sunday, January 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: Tanks

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