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753 datasets

Biodiversity Explorer User Guide

Published by: California Natural Resources Agency
Last updated: Saturday, May 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The Biodiversity Explorer is a set of maps and summary information on species, natural communities, and habitat types tracked by the California Depart...

Vegetation - Suisun Marsh - Change 1999 to 2000 [ds163]

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This vegetation mapping project of Suisun Marsh blends ground-based classification, aerial photo interpretation, and GIS editing and processing. The m...

State Highway System Intersection

Published by: Caltrans
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

As part of the Transportation System Network Replacement Project (TSNR), Highway Inventory module data migration, it was determined Caltrans would be ...

Vegetation - Proposed Tehachapi Pass High Speed Rail Corridor [ds1328]

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Geographical Information Center (GIC) at California State University, Chico, completed a vegetation map of the Proposed Tehachapi Pass High-Speed ...

RegMapsLinks 20251120

Published by: California Department of Conservation
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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

Regulatory Maps

Published by: California Department of Conservation
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

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

i12 Canals and Aqueducts local

Published by: California Department of Water Resources
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Dataset represents centerlines of major water project canals that are managed by local area government agencies or entities. This dataset does not con...

CalEnviroScreen 10th Anniversary

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

It has been 10 years since CalEPA and OEHHA released the first version of CalEnviroScreen, a groundbreaking environmental justice (EJ) mapping tool th...

Potential Riparian Connections - CEHC [ds622]

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

A product of the California Essential Habitat Connectivity Project - http://www.dfg.ca.gov/habcon/connectivity/, potential riparian connections were e...

Creel Surveys - Klamath River

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 29, 2026
File types: XLSX, ZIP

Annual field data from Klamath River Creel surveys. Field data collected from interviews with shore and boat based recreational anglers. Klamath River...