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603 datasets

DWR Enterprise Monitoring Well Network

Published by: California Department of Water Resources
Last updated: Saturday, July 4, 2026
File types: CSV

The Department of Water Resources (DWR) Enterprise Monitoring Well Network dataset contains information regarding wells monitored by DWR. The wells in...

California All Public Roads Network

Published by: Caltrans
Last updated: Friday, July 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Caltrans All Roads Linear Referencing Services (LRS) dataset provides the base geometry for federally required Highway Performance Monitoring Syst...

Regional Transportation Planning Agencies

Published by: Caltrans
Last updated: Friday, July 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The RTPA polygon feature class provides California Regional Transportation Planning Agencies (RTPA) legislative boundaries, primarily for regional pla...

Indicators of Climate Change in California

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Friday, July 3, 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: Friday, July 3, 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: Friday, July 3, 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...

COVID-19 Variant Data (ARCHIVED)

Published by: California Department of Public Health
Last updated: Friday, July 3, 2026
File types: ZIP, CSV, XLSX

Note: This dataset is no longer being updated due to the end of the COVID-19 Public Health Emergency. The California Department of Public Health (C...

Wildland Urban Interface

Published by: CAL FIRE
Last updated: Friday, July 3, 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...

Medium and Heavy Duty Infrastructure

Published by: California Energy Commission
Last updated: Saturday, July 4, 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, July 4, 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...