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53 datasets

Federally Recognized Tribal Lands

Published by: California Energy Commission
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer represents the geographic areas 4 below. Category 1-3, census tracts, are in the other layer.In this designation, CalEPA formally designate...

Medical Service Study Areas

Published by: Department of Health Care Access and Information
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is the current Medical Service Study Area. California Medical Service Study Areas are created by the California Department of Health Care Access ...

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...

Low-Income or Disadvantaged Communities Designated by California

Published by: California Energy Commission
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer shows census tracts that meet the following definitions: Census tracts with median household incomes at or below 80 percent of the statewid...

Medical Service Study Area Data Dictionary

Published by: Department of Health Care Access and Information
Last updated: Friday, April 3, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Field Name Data Type Description Statefp Number US Census Bureau unique identifier of the state Countyfp Number US Census...

SB 535 Disadvantaged Communities 2022

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This map shows the 2022 disadvantaged communities designated by CalEPA for the purpose of SB 535. These areas represent: Highest scoring 25% of cen...

Rates of Preventable Hospitalizations (Age<18) for Selected Medical Conditions by County

Published by: Department of Health Care Access and Information
Last updated: Friday, April 3, 2026
File types: CSV, PDF, ZIP

The dataset currently contains hospitalization counts and rates, statewide and by county, for 4 conditions plus 3 composite measures. Hospitalization...

Rates of Preventable Hospitalizations for Selected Medical Conditions by County (LGHC Indicator)

Published by: Department of Health Care Access and Information
Last updated: Friday, April 3, 2026
File types: CSV, CHART, PDF, ZIP

The dataset contains hospitalization counts and rates, statewide and by county, for 10 ambulatory care sensitive conditions plus 4 composite measures....

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...

SB 535 Disadvantaged Communities (Additional Tribal Areas 2023 & 2024)

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This map shows the 2022 disadvantaged communities designated by CalEPA for the purpose of SB 535. These areas represent:Highest scoring 25% of census ...