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  2. EPA in Illinois

Environmental Issues in Illinois' Cahokia Heights and Metro-East Neighborhoods

The Metro-East Region is an area in southern Illinois, east of St. Louis, Missouri. The area includes the cities of East St. Louis, Cahokia Heights, Caseyville, and Village of Sauget and others.

The community expressed the following environmental challenges:

  • Sanitary sewer overflows.
  • Flooding issues.
  • Threats to drinking water.
  • Air pollution.
  • Historical contamination.

On this page:

  • Latest News
  • Cahokia Heights/Metro-East Coordinator Position
  • Metro-East Infrastructure Project Matrix
  • Reporting Sewage or Drinking Water Emergencies
  • Upcoming Meetings
  • Flooding Resources
  • General Community Resources
  • Other Active Projects or Actions
  • Completed Projects

Latest News

Justice Department and EPA Announce Settlement with City of Cahokia Heights, Illinois to Reduce Sanitary Sewer Discharges that Endanger Human Health and the Environment

Cahokia Heights/Metro-East Coordinator Position

Representative Budzinski’s requests:

  • Budzinski Secures the EPA’s Commitment to Appoint Cahokia Heights Response Coordinator
  • Budzinski Secures Appointment of the EPA Coordinator for Cahokia Heights Flooding and Sewage

The EPA appointed the first coordinator in October of 2023. The coordinator works with residents, community organizations, and agencies to provide information on wastewater, drinking water and flooding in the area.

Metro-East Infrastructure Project Matrix

Betsy worked closely with more than 35 organizations to develop, for the first-time, a summary of area:

  • Infrastructure projects.
  • Funding needs.
  • Funding opportunities.
  • Funding use.

This summary is called the Matrix and the Matrix was released for the first time in May 2024. For more information see The EPA Announces Funding Update for Drinking Water, Wastewater and Flood Prevention in Cahokia Heights/Metro East, Illinois.

To request a copy of the Matrix, email Coordinator Betsy Nighingale (Nightingale.Elizabeth@epa.gov).

Public Meetings for Matrix Explanation and Intended Use

In June 2024, EPA held three public meetings to show how to use the Matrix and answer community questions. EPA recorded one of the meetings as a reference for anyone who could not make one of the meetings. 

Recording of the June 11, 2024 meeting

Reporting Sewage or Drinking Water Emergencies

Report Drinking Water Emergencies (pdf) (189.09 KB)

Report Sewage Emergencies (pdf) (187.19 KB)

Upcoming Meetings

Cahokia Heights Illinois Environmental Protection Agency Grant Meetings

  • Cahokia Heights Illinois Environmental Protection Agency Grant Meeting, December 19, 2024

Flooding Resources

  • The EPA - Flooding information
  • Federal Emergency Management Agency - Flooding Information
  • Illinois Department of Natural Resources - Flooding Information
  • Illinois Department of Public Health - Flood Cleanup Resources
  • Illinois Emergency Management Agency - Recovery
  • National Weather Service - Homepage
  • National Weather Service Central Region Headquarters
  • Saint Clair County, Illinois
    • Disaster Preparedness Resources
    • July 16, 2024, Flood Disaster Page

General Community Resources

  • Cahokia Heights Sewer Project
  • City of Cahokia Heights
  • City of East St. Louis
  • East Side Health District
  • Heartlands Conservancy - Prairie Dupont Watershed Plan
  • Illinois Dept. of Natural Resources - Prairie Du Pont Watershed Storm Sewer Survey Information Viewer
  • Illinois Environmental Protection Agency - Cahokia Heights Financial Assistance Projects
  • St. Clair County, IL
  • The U.S. Army Corps of Engineers, St. Louis District Cahokia Heights Support Homepage
  • U.S. Representative Nikki Budzinski 

Other Active Projects or Actions

EPA staff work with residents, community organizations, private companies, and governmental agencies on other projects in the Metro-East area.

Air

  • EPA Announces Settlement with Gulfstream Aerospace Services Corp. in Cahokia, Illinois, for Alleged Clean Air Act Violations
  • Veolia Sauget Air Permitting

Resource Conservation and Recovery Act

  • Solutia Inc. Facility

Superfund

  • Jennison-Wright Corporation Superfund Site
  • NL Industries/Taracorp Lead Smelter Superfund Site 
  • North Alcoa Site
  • Old American Zinc Superfund Site
  • Sauget Area 1 Superfund Site    
  • Sauget Area 2 Superfund Site    

Water

  • Cahokia Heights Drinking Water    
  • Cahokia Heights and East St. Louis Sanitary Sewer Overflows    

Technical Assistance

  • EPA Recommended Mapping Tools
  • Water Technical Assistance    

Completed Projects

Drinking Water - Unilateral Administrative Order

  • Cahokia Heights Drinking Water -  Illinois American Water Unilateral Administrative Order

Contact

Cahokia Heights Metro East Coordinator

Betsy Nightingale (Nightingale.elizabeth@epa.gov)
312-886-6294 or 800-621-8431, ext. 66163

Highlight

United States and State of Illinois File Complaint Against City of East St. Louis for Unlawful Discharges of Untreated Sewage

Related Information

  • Cahokia Heights Drinking Water
  • Communities in the East St. Louis Area and Sanitary Sewer Overflows

EPA in Illinois

  • Hot Topics in Illinois
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  • Air Standards Delegations in Illinois
    • Illinois (Part 60) Emission Guidelines and (Part 62) State/Federal Plans (Section 111d/129) Delegations
  • EPA at Work in Chicago, IL
  • S.H. Bell Chicago Facility
    • S.H. Bell Chicago Air Monitoring Data
  • Watco Terminal and Port Services
  • Sims Metal Management
  • Chicago Lead in Drinking Water Study
    • Advice to Chicago Residents About Lead in Drinking Water
Contact Us About EPA in Illinois
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 21, 2025
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