About CalEnviroScreen

What is CalEnviroScreen?

  • CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are often especially vulnerable to pollution’s effects.
  • CalEnviroScreen uses environmental, health, and socioeconomic information to produce scores for every census tract in the state.
  • The scores are mapped so that different communities can be compared. An area with a high score is one that experiences a much higher pollution burden than areas with low scores.
  • CalEnviroScreen ranks communities based on data that are available from state and federal government sources.

Click to play the CalEnviroScreen 3.0 training videos or visit our visit our Training Video Page.

What are cumulative impacts?

  • “Cumulative impacts” means exposures and public health or environmental effects from all sources of pollution in a geographic area.
  • Cumulative impacts also take into account groups of people that are especially sensitive to pollution’s effects, such as young children and people with asthma, and socioeconomic factors, such as poverty, race and ethnicity, and education.
  • For CalEPA’s definition of cumulative impacts, see the CalEnviroScreen 3.0 report.

What is Environmental Justice?

  • State law defines environmental justice to mean “the fair treatment of people of all races, cultures, and incomes with respect to the development, adoption, implementation and enforcement of environmental laws, regulations, and policies.”
  • Environmental justice principles are an important part of CalEPA’s goal to restore, protect and improve the environment, and to ensure the health of people, the environment and the economy.
  • CalEPA asked OEHHA to develop CalEnviroScreen to identify communities suffering from cumulative impacts of multiple pollutants and people who are vulnerable to pollution’s effects.
  • Visit CalEPA’s Environmental Justice Program page here.

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Reports, Notices, Documents

Aug 16, 2016: Oakland CalEnviroScreen Workshop
September 20th workshop at which OEHHA will share the proposed updates to the CalEnviroScreen 3.0 draft tool, answer questions, and take public comment.
Aug 16, 2016: Sacramento CalEnviroScreen Workshop
September 21st workshop at which OEHHA will share the proposed updates to the CalEnviroScreen 3.0 draft tool, answer questions, and take public comment.
Aug 16, 2016: Fresno CalEnviroScreen Workshop
September 22nd workshop at which OEHHA will share the proposed updates to the CalEnviroScreen 3.0 draft tool, answer questions, and take public comment.
Jun 2, 2016: CalEnviroScreen Update
OEHHA intends to update its California Communities Environmental Health Screening Tool (CalEnviroScreen) in 2016.
Feb 29, 2016: Scoring & Model
Information on how CalEnviroscreen uses pollution burden and population characteristics to calculate the CalEnviroscreen score.
Feb 26, 2016: CalEnviroScreen FAQs
Questions and answers about CalEnviroScreen, a screening tool that evaluates the burden of pollution from multiple sources in communities while accounting for potential vulnerability to the adverse effects of pollution.
Feb 21, 2016: Indicators Overview
General infomation about the indicators that make up CalEnviroScreen.
Feb 1, 2016: Drinking Water
The drinking water indicator combines information about 10 contaminants and 2 types of water quality violations that are sometimes found when drinking water samples are tested.

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