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496 datasets

WellSTAR Notices and Permits: Submitted Notices of Intention

  • 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 provides the locations of submitted Notice of Intention (NOI) records from CalGEM’s Well Statewide Tracking and Reporting System (Well...

Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, November 10, 2025
  • File types: PDF, HTML, CSV, SHP, ZIP, PPTX

The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of th...

California High Hazard Zones (Tier 1)

  • Published by: CAL FIRE
  • Last updated: Thursday, May 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

On October 30, 2015 Governor Brown issued an emergency declaration requiring public agencies to identify areas of tree mortality that hold the greates...

Approved Notice of Intention/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, ...

Submitted Notice of Intention

  • 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, ...

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, ...

Hydraulic 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, ...

California Historical Wildland Fire Perimeters Exploratory Map

  • Published by: CAL FIRE
  • Last updated: Thursday, May 14, 2026
  • File types: HTML

CAL FIRE's Fire and Resource Assessment Program (FRAP) annually maintains and distributes an historical fire perimeter dataset from across public and ...

California Incorporated Cities

  • Published by: CAL FIRE
  • Last updated: Thursday, May 14, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Complete accounting of all incorporated cities, including the boundary and name of each individual city. From 2009 to 2022 CAL FIRE maintained this da...

Primary Spoken Language of Individuals Selecting Covered California Qualified Health Plan (QHP)

  • Published by: California Department of Health Care Services
  • Last updated: Thursday, May 14, 2026
  • File types: CSV, ZIP

This dataset includes the primary spoken language of eligible individuals who selected and enrolled in a Covered California Qualified Health Plan (QHP...