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 in Illinois
- Cahokia Heights Drinking Water
- Communities in the East St. Louis Area and Sanitary Sewer Overflows
- Ethylene Oxide in Lake County
- Environmental Issues in Southeast Chicago
- Chicago Lead in Drinking Water Study
- Environmental Issues in Little Village & Pilsen
- Veolia Sauget Air Permitting
- All Hot Topics in Illinois
Comments & Meetings
Environmental Info
Federal & State Contacts
- EPA Regional Office
- EPA Hotlines
- Report Environmental Violations
- Illinois EPA
- Illnois EPA Citizen Pollution Complaint Form
- Illinois Pollution Control Board
- Illinois Department of Natural Resources
- Illinois Small Business Environmental Assistance Program Department of Commerce and Economic Opportunity (DCEO)
- Other IL Agencies
