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CalEnviroScreen 3.0

In January 2017, The California Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA) released the latest version of CalEnviroScreen.  Below is a brief description from their website.  On their website you will be able to view the data with interactive maps, read the report in detail, and download GIS data:


“CalEnviroScreen is a screening methodology that can be used to help identify California communities that are disproportionately burdened by multiple sources of pollution. This version updates CalEnviroScreen in a variety of ways. The updates are described in more detail in the New in CalEnviroScreen 3.0 document below.

Major changes include:

  • More recent data for all indicators.
  • The addition of two new indicators reflecting health and socioeconomic vulnerability to pollution.
  • Improvements in the way some indicators are calculated to better reflect environmental conditions or a community’s vulnerability to pollution.
  • Additional information on pollution along the California-Mexico border.
  • The removal of the “children and elderly” age indicator, and replacement with an analysis of age.
  • A change in overall scoring methodology that enables each of the four categories of indicators to make a clearer contribution to a census tract’s overall CalEnviroScreen score.”

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Using GIS Data on this site

GIS Data downloaded from this site generally requires GIS software to view. Click here for a list of GIS Data Viewers

GIS data available on this website is provided AS IS - please read the GIS Data Portal Terms of Use

Data Field Descriptions

GIS Source Information
Database Name:
Feature Class Name:
Feature Dataset Name (if applicable):
Reference Date:
Accuracy: Other
Update Frequency: Other
Access Constraints:None

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