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477 datasets

CA Zip Code Boundaries

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This feature service is derived from the Esri "United States Zip Code Boundaries" layer, queried to only CA data.For the original data see: ...

C-2, Tax Liability Computations All Corporations

Published by: California Franchise Tax Board
Last updated: Tuesday, October 15, 2024
File types: CSV, PDF

This dataset contains statistics on tax liabilities for corporate tax returns....

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

Published by: California Ocean Protection Council
Last updated: Friday, May 22, 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...

SGMA Climate Change Resources

Published by: California Department of Water Resources
Last updated: Monday, May 25, 2026
File types: CSV, ZIP, XLSX, PDF

This dataset includes processed climate change datasets related to climatology, hydrology, and water operations. The climatological data provided are ...

B-4A, Adjusted Gross Income Class Comparison, All Filing Statuses

Published by: California Franchise Tax Board
Last updated: Tuesday, October 15, 2024
File types: CSV, PDF

Adjusted gross income class statistics combined for all filing statuses for California residents personal income tax return data....

Toxicity Criteria Database

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Tuesday, December 30, 2025
File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

CalEnviroScreen 2.0

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: CSV, XLSX, PDF

The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...

Offshore Oil Leases

Published by: California State Lands Commission
Last updated: Friday, May 22, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The polygons in this layer show the position of Offshore Oil Leases as documented by former State Lands Senior Boundary Determination Officer, Cris N....

CalEnviroScreen 3.0 Results

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: PDF, CSV, SHP

CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...

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...