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89 datasets

Setting

Published by: California Department of Conservation
Last updated: Sunday, April 12, 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: Oil and Gas Facilities

Published by: California Department of Conservation
Last updated: Sunday, April 12, 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...

Pit/Sump

Published by: California Department of Conservation
Last updated: Sunday, April 12, 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...

Tank

Published by: California Department of Conservation
Last updated: Sunday, April 12, 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...

Public Land Survey System (PLSS): Sections

Published by: California Department of Conservation
Last updated: Sunday, April 12, 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...

CGS Map Sheet 58: Deep-Seated Landslide Susceptibility

Published by: California Department of Conservation
Last updated: Sunday, April 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Susceptibility to Deep-Seated Landslides map covers the entire state of California and was originally published in May of 2011 as CGS Map Sheet 58...

Earthquake Zones of Required Investigation Maps and Reports

Published by: California Department of Conservation
Last updated: Sunday, April 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

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: 1984-2022

Published by: California Department of Conservation
Last updated: Sunday, April 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

Established in 1982, Government Code Section 65570 mandates FMMP to biennially report on the conversion of farmland and grazing land, and to provide m...

California Important Farmland: Most Recent

Published by: California Department of Conservation
Last updated: Sunday, April 12, 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...

WellSTAR: Oil and Gas Wells

Published by: California Department of Conservation
Last updated: Sunday, April 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This online map represents oil and gas wells in the CalGEM Well Statewide Tracking and Reporting System, or WellSTAR. Wells are displayed by well type...