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258 datasets

California Snow Data

Published by: California Department of Water Resources
Last updated: Wednesday, August 12, 2026
File types: CSV, PDF, WEB APPLICATION

The California Snow Data page contains resources from the California Data Exchange Center (CDEC) in open and machine readable format. These resources ...

Proportion of High School Students Who Smoked Cigarettes in the Past 30 Days (LGHC Indicator)

Published by: California Department of Public Health
Last updated: Tuesday, August 11, 2026
File types: CSV, XLSX, CHART, ZIP

This is a source dataset for a Let's Get Healthy California indicator at https://letsgethealthy.ca.gov/. The California Tobacco Control Program coordi...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Wednesday, August 12, 2026
File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). CEDEN is the Californ...

Radiological Air Sample Quarterly Composites (ARCHIVED)

Published by: California Department of Public Health
Last updated: Tuesday, August 11, 2026
File types: CSV, PDF, ZIP

IMPORTANT: Please see the attached PDF for more context on this dataset. Per Health and Safety Code 114755 which mandates that "The department shall ...

Unemployment Insurance Weekly Claims Data for California

Published by: California Employment Development Department
Last updated: Tuesday, March 18, 2025
File types: CSV

The UI weekly claims data are used in current economic analysis of unemployment trends in the Nation, and in each State. Initial claims measure emergi...

i12 Salinity Transects SouthDelta

Published by: California Department of Water Resources
Last updated: Wednesday, August 12, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of high-frequency specific conductance and water temperature measurements at specific points in the South Delta. Specifi...

Lake Oroville Water Quality Assessment for the 2018 Camp Fire

Published by: California Department of Water Resources
Last updated: Wednesday, August 12, 2026
File types: PDF, CSV

In November 2018, the Camp Fire started near the town of Pulga, California north of Lake Oroville. The fire burned much of the Feather River’s North F...

Data Brief: Avoidable Emergency Department Visits Vary Widely Across California

Published by: Department of Health Care Access and Information
Last updated: Wednesday, August 12, 2026
File types: XLSX, PDF, ZIP

The data includes a broader range of geographic units of analysis than have previously been made available in HPD public reports, in addition to other...

Surface Water - Aquatic Organism Tissue Sample Results

Published by: California State Water Resources Control Board
Last updated: Wednesday, August 12, 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...

Surface Water - Chemistry Results - CEDEN Augmentation

Published by: California State Water Resources Control Board
Last updated: Friday, August 7, 2026
File types: CSV, PDF

This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.water...