All datasets

4406 datasets

California Crash Reporting System (CCRS)

Published by: California Highway Patrol
Last updated: Wednesday, April 15, 2026
File types: DOCX, CSV

Statistic crash records within State of California...

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Wednesday, April 15, 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...

Surface Water - Habitat Results

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

This data provides results from field analyses, from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). T...

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...

Surface Water - Chemistry Results

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

This data provides results from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN) for field and lab chemi...

Surface Water - Benthic Macroinvertebrate Results

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

Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, April 14, 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...

Surface Water - Sampling Location Information

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

Information about sampling locations for data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). Thi...

CalHHS Dataset Catalog

Published by: California Health and Human Services Agency
Last updated: Wednesday, April 15, 2026
File types: ZIP

This dataset is a catalog of all the datasets available on the CalHHS Open Data Portal. Each item in the catalog represents a dataset and includes the...

Surface Water - Water Quality Regulated Facility Information

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

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboar...