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4391 datasets

California Metropolitan Planning Organization (MPO)

Published by: Caltrans
Last updated: Wednesday, January 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset contains the geographic boundaries of Metropolitan Planning Organizations (MPO) and is intended for metropolitan area multimodal transpor...

Methodology for Flow and Salinity Estimates in the Sacramento-San Joaquin Delta and Suisun Marsh

Published by: California Department of Water Resources
Last updated: Wednesday, January 28, 2026
File types: PDF

Annual report submitted by the DWR's Delta Modeling Section...

DWC COVID-19 Claims Data

Published by: California Department of Industrial Relations
Last updated: Tuesday, August 12, 2025
File types: CSV

The Division of Workers’ Compensation (DWC), Workers’ Compensation Information System (WCIS) has been collecting First Reports of Injury (FROI) and Su...

CAL FIRE Fuels Reduction Projects - Main Application

Published by: CAL FIRE
Last updated: Wednesday, January 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This application was developed to provide public information about CAL FIRE Fuel Reduction Projects with work within the current and previous fiscal y...

California Bumble Bee Atlas Sampling Grids - 2022 [ds3004]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, January 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Bumble Bee Atlas sampling grid cell map for 2022. Trained volunteers participate in the atlas by adopting a grid cell to conduct at lea...

State Highway Network Lines

Published by: Caltrans
Last updated: Wednesday, January 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

StateHighways are state highways based upon the Caltrans Linear Referencing System. Each record in this layer represents a highway segment where the c...

State Highway Network Postmiles Tenth

Published by: Caltrans
Last updated: Wednesday, January 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Postmiles are valid postmile points at 0.1 (1/10th) mile intervals, based on the Caltrans Linear Referencing System. Exceptions that are included are ...

NCCP Gains & Losses - San Diego [ds892]

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, January 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

An NCCP identifies and provides for the regional protection of plants, animals, and their habitats, while allowing compatible and appropriate economic...

South Delta Studies Reference

Published by: California Department of Water Resources
Last updated: Wednesday, January 28, 2026
File types: ZIP, PDF, WMV, HTML

Studies done in the South Delta by various agencies...

Salmonid Population Monitoring Areas - California - CMP [ds3001] Extended Table

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, January 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Monitoring Plan (CMP) salmonid monitoring areas and associated population data are part of an ongoing effort to summarize existing and ...