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107 datasets

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...

Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop

Published by: California State Water Resources Control Board
Last updated: Monday, November 10, 2025
File types: PDF, HTML, CSV, SHP, ZIP, PPTX

The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of th...

Medi-Cal Adult Full Scope Expansion Programs

Published by: California Department of Health Care Services
Last updated: Tuesday, April 21, 2026
File types: CSV, ZIP

This dataset contains data pertaining to the full scope expansion of the Adult Medi-Cal population, regardless of immigration status, within three (3)...

Surface Water - Aquatic Organism Tissue Sample Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, April 14, 2026
File types: PDF, ZIP, CSV

This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ced...

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...

Inland Fisheries - Length/Weight [ds195]

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 dataset is a subset of the Tuolumne Aquatic Resources Relational Inventory (TARRI) compiled by Brian Quelvog, California Department of Fish and G...

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...

2019 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: ZIP, XLSX, CSV, TXT

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...

Family Planning Methods by Effectiveness for Female Clients

Published by: California Department of Health Care Services
Last updated: Tuesday, April 21, 2026
File types: CSV, ZIP

This data file contains information on the number of female clients served with a contraceptive method or service based on effectiveness accessed thro...

Spatial and Economic Human Uses, California South Coast MPA Baseline Study, 1992 to 2012

Published by: California Ocean Protection Council
Last updated: Friday, April 17, 2026
File types: PDF, ZIP, CSV, XML

This study addresses the South Coast MPA Baseline Program objectives by describing human use patterns across the study region and establishing initial...