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3899 datasets

DSM2 v8.2.1

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: ZIP, HTML

The current release DSM2 V8.2.1 differs from the previous release DSM2 V8.2.0 as follows: ==========================================================...

Estimates of Natural and Unimpaired Flows for the Central Valley of California: WY 1922-2014

Published by: California Department of Water Resources
Last updated: Saturday, May 23, 2026
File types: PDF

This report summarizes estimates of “natural” and “unimpaired” flows for all areas in the Central Valley tributary to the Sacramento – San Joaquin Del...

Public Land Survey System (PLSS): Township and Range

Published by: California Department of Conservation
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In support of new permitting workflows associated with anticipated WellSTAR needs, the CalGEM GIS unit extended the existing BLM PLSS Township & R...

WellSTAR Underground Gas Storage: Project Boundaries

Published by: California Department of Conservation
Last updated: Saturday, May 23, 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: Saturday, May 23, 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: Project Wells

Published by: California Department of Conservation
Last updated: Saturday, May 23, 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: Saturday, May 23, 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...

Well Stimulation Permit

Published by: California Department of Conservation
Last updated: Saturday, May 23, 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: Saturday, May 23, 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: Saturday, May 23, 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, ...