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600 datasets

Indicators of Climate Change in California

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

An introduction to the 2022 Indicators of Climate Change in California Report. The Indicators of Climate Change in California report documents observe...

National Highway System

Published by: Caltrans
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The National Highway System consists of a network of roads important to the economy, defense and mobility. On October 1, 2012 the existing National Hi...

Highway Rail Crossing

Published by: Caltrans
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The PUC data contains a [grade] attribute that allows for the isolation of at-grade crossings. There are 10,478 at-grade records in the most recent PU...

California Land Ownership

Published by: CAL FIRE
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset was updated May, 2025.This ownership dataset was generated primarily from CPAD data, which already tracks the majority of ownership infor...

Medium and Heavy Duty Infrastructure

Published by: California Energy Commission
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Medium- and heavy-duty (MDHD) zero-emission vehicle (ZEV) hydrogen refueling and charging station data was collected from the following agencies: Cali...

Suction Dredge Special Regulations - 2020 [ds788]

Published by: California Department of Fish and Wildlife
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset was created as published December 8, 2020, as an aid to CDFW, the State Water Resources Control Board, and the public following the enact...

Automated Weather Observation System

Published by: Caltrans
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer was created from the California Aviation System Plan list of Automated Weather Observation Systems. The upgrades and distribution of Automa...

Wildland Urban Interface

Published by: CAL FIRE
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The current dataset is appropriate for displaying the overall pattern of WUI development at the county level, and comparing counties in terms of devel...

i03 SystemwidePA 20101007

Published by: California Department of Water Resources
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This feature class represents the Systemwide Planning Area. It is one of the three Central Valley Flood Protection Plan (CVFPP) Planning Areas. It is ...

i03 Groundwater Sustainability Agencies

Published by: California Department of Water Resources
Last updated: Saturday, June 13, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...