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228 datasets

CGS Seismic Hazards Program: Unevaluated Areas

Published by: California Department of Conservation
Last updated: Wednesday, October 22, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This is a digital Seismic Hazard Zone Map presenting areas where liquefaction and landslides may occur during a strong earthquake. Three types of geol...

Senate Districts

Published by: California Department of Education
Last updated: Wednesday, October 22, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The legislative districts contain the geographically defined territories used for representation in the California State Assembly, California State Se...

Assembly Districts

Published by: California Department of Education
Last updated: Wednesday, October 22, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The legislative districts contain the geographically defined territories used for representation in the California State Assembly, California State Se...

US Congressional Districts

Published by: California Department of Education
Last updated: Wednesday, October 22, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The legislative districts contain the geographically defined territories used for representation in the California State Assembly, California State Se...

Ca. 4th Climate Change Assessment Regions (CaNAD83)

Published by: California Natural Resources Agency
Last updated: Friday, October 17, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Regional boundaries for use by CA Nature to support activities related to Executive Order N-82-20. These include California's 30x30 effort, Climate Sm...

Ca. 4th Climate Change Assessment Regions

Published by: California Natural Resources Agency
Last updated: Friday, October 17, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Regional boundaries for use by CA Nature to support activities related to Executive Order N-82-20. These include California's 30x30 effort, Climate Sm...

California Groundwater Elevation Monitoring (CASGEM) Program

Published by: California Department of Water Resources
Last updated: Wednesday, October 22, 2025
File types: PDF

Since 2009, the [California Statewide Groundwater Elevation Monitoring (CASGEM) Program](https://water.ca.gov/programs/groundwater-management/groundwa...

Eelgrass - R7 - CDFW [ds1503]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, October 22, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Zostera marina, or eelgrass, grows intertidally and in the shallow subtidal of estuaries, bays, and other protected coastal areas of the ecoregion. It...

CGS Information Warehouse: Regulatory Maps

Published by: California Department of Conservation
Last updated: Wednesday, October 22, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Alquist-Priolo Earthquake Fault Zoning Act (1972) and the Seismic Hazards Mapping Act (1990) direct the State Geologist to delineate regulatory "...

Red Bluff Diversion Dam Historical Monitoring Database

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, October 22, 2025
File types: XLSX, ZIP

The dataset contains an assortment of Excel analysis files and a Access database of fish information and trapping data from the fish ladder trap for y...