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107 datasets

Well Stimulation Permit

Published by: California Department of Conservation
Last updated: Friday, May 15, 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, ...

Acid Matrix

Published by: California Department of Conservation
Last updated: Friday, May 15, 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, ...

Acid Fracturing

Published by: California Department of Conservation
Last updated: Friday, May 15, 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, ...

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

Published by: California Department of Conservation
Last updated: Saturday, May 16, 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 Facilities

Published by: California Department of Conservation
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

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...

CGS Information Warehouse: Landslide Maps and Reports

Published by: California Department of Conservation
Last updated: Saturday, May 16, 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...

WellSTAR Oil and Gas Facilities: Boundaries

Published by: California Department of Conservation
Last updated: Saturday, May 16, 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...

Well Stimulation Permit By Type

Published by: California Department of Conservation
Last updated: Friday, May 15, 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, ...

Post Primacy Aquifer Exemptions

Published by: California Department of Conservation
Last updated: Saturday, May 16, 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, May 16, 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...