EPA in Illinois

U.S. EPA's work in Illinois is managed from our Region 5 office in Chicago. Learn more about EPA Region 5.

• Hot Topics

  

  From the latest drinking water safety study to sole source designations, learn more about the latest updates in your state. 

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• Environmental Information

  

  Environmental information on air, water, land, and other subjects important to Illinoisans. 

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• Events and Public Notices

  

  All the information you need about events and public notices in your state.

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