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2179 datasets

CAL FIRE Administrative Units

Published by: CAL FIRE
Last updated: Wednesday, April 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Throughout the state, CAL FIRE has 21 operational units that are designed to address fire suppression over a certain geographic area. Each unit oper...

Nonindigenous Aquatic Species (NAS) - USGS [ds731]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, April 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This GIS dataset offers a link to the California portion of the Nonindigenous Aquatic Species (NAS) information resource for the United States Geologi...

Western Grebe - Avian Knowledge Network (AKN) [ds237]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, April 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set contains basic observation information on Western Grebes in California and is provided by the Avian Knowledge Network (AKN). AKN is a jo...

Northern Sacramento Valley Groundwater Elevation Change Maps

Published by: California Department of Water Resources
Last updated: Wednesday, April 22, 2026
File types: ZIP

Groundwater Elevation Change Maps summarize the change in groundwater level measurements over time, collected from wells in the northern Sacramento Va...

Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.

Published by: California Department of Water Resources
Last updated: Wednesday, April 22, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

2023 Crash Data on State Highway System

Published by: Caltrans
Last updated: Thursday, July 3, 2025
File types: CSV

The Crash Data On California State Highways Report is produced annually by the California Department of Transportation (Caltrans) to provide high leve...

2022 Crash Data on State Highway System

Published by: Caltrans
Last updated: Friday, November 15, 2024
File types: CSV

The Crash Data On California State Highways Report is produced annually by the California Department of Transportation (Caltrans) to provide high leve...

2021 Crash Data on State Highway System

Published by: Caltrans
Last updated: Tuesday, October 24, 2023
File types: CSV

The Crash Data On California State Highways Report is produced by the California Department of Transportation (Caltrans) to provide high level summari...

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Wednesday, April 22, 2026
File types: PDF, CSV

Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...

TRE ALTAMIRA InSAR Subsidence Data

Published by: California Department of Water Resources
Last updated: Wednesday, April 22, 2026
File types: PDF, HTML, ZIP

This dataset represents measurements of vertical ground surface displacement in more than 200 of the high-use and populated groundwater basins across ...