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Coal Combustion Residual (CCR) Surface Facilities

The Illinois EPA recognizes 72 Coal Combustion Residual (CCR) Surface Impoundments across 23 power plants located across the state. The Illinois EPA has created an interactive map which you can view below or by clicking here, where you can view the locations for the CCR impoundments in Illinois. 

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Facility Specific Information

Ameren Energy Generating Company, Hutsonville Power Station

  • Location: Hutsonville
  • Website: Ameren CCR  
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (Ash Pond A)

Ameren Energy Generating Company, Meredosia Power Station

  • Location: Meredosia
  • Website: Ameren CCR 
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (Fly Ash Pond)
    • Operating Permit Application received on 10/29/2021 (Bottom Ash Pond)

City of Springfield, CWLP

  • Location: Springfield
  • Website: CWLP CCR
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/28/2021 (Lakeside and Dallman Ash Ponds)
    • Construction Permit Application received on 02/01/2022 (Lakeside and Dallman Ash Ponds)

CTI Development, Wood River Power Station

  • Location: Alton
  • Website:  Wood River Compliance Data and Information
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 11/01/2021 (Primary East Ash Pond)
    • Operating Permit Application received on 11/01/2021 (West Ash Pond System – Pond 1)
    • Operating Permit Application received on 11/01/2021 (West Ash Pond System – Pond 2E)
    • Operating Permit Application received on 11/01/2021 (West Ash Pond System – Pond 2W)
    • Closure Construction Permit Application received on 03/10/2026 (Primary East Ash Pond)
    • Closure Construction Permit Application received on 03/10/2026 (West Ash Pond System - Pond 1)
    • Closure Construction Permit Application received on 03/10/2026 (West Ash Pond System - Pond 2E)
    • Closure Construction Permit Application received on 03/10/2026 (West Ash Pond System - Pond 2W)

Finch Development LLC, Havana Power Station

  • Location: Havana
  • Website: Havana Compliance Data and Information
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 11/01/2021 (East Ash Pond Cells 1-3)
    • Closure Construction Permit Application received on 12/22/2022 (East Ash Pond Cells 1-3)
    • Closure Construction Permit Application (resubmittal) received on 03/04/2026 (East Ash Pond Cells 1-3)

Grand Tower Energy Center

NRG, Joliet 29

NRG, Joliet 9 (Lincoln Stone Quarry)

NRG, Powerton Generating Station

  • Location: Pekin
  • Website: Midwest Generation Illinois CCR Rule Compliance Data         
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 11/03/2021 (Ash Surge Basin)
    • Operating Permit Application received on 11/03/2021 (Ash Bypass Basin)
    • Operating Permit Application received on 11/03/2021 (Former Ash Basin)
    • Operating Permit Application received on 04/01/2021 (Metal Cleaning Basin)
    • Retrofit Construction Permit Application received on 07/20/2022 (Ash Bypass Basin)
    • Closure Construction Permit Application received on 10/31/2022 (Former Ash Basin)
    • Retrofit Construction Permit Application received on 07/31/2023 (Ash Surge Basin)
    • Retrofit Construction Permit Application received on 07/20/2023 (Metal Cleaning Basin)
    • Corrective Action Construction Permit Application received on 08/11/2026 (Ash Surge Basin)
    • Corrective Action Construction Permit Application received on 08/11/2026 (Metal Cleaning Basin)

NRG, Waukegan Generating Station

  • Location: Waukegan
  • Website: Midwest Generation Illinois CCR Rule Compliance Data
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 11/03/2021 (East Ash Pond)
    • Operating Permit Application received on 11/03/2021 (West Ash Pond)
    • Construction Permit Application received on 02/01/2022 (East Ash Pond)
    • Construction Permit Application received on 02/01/2022 (West Ash Pond)

NRG, Will County Generating Station

  • Location: Romeoville
  • Website:  Midwest Generation Illinois CCR Rule Compliance Data 
  • Illinois EPA Received Permit Applications 
    • Operating Permit Application received on 11/03/2021 (Pond 2S)
    • Operating Permit Application received on 11/03/2021 (Pond 3S)
    • ​Operating Permit Application received on 04/01/2022 (Pond 1N)
    • Operating Permit Application received on 04/01/2022 (Pond 1S)
    • Closure Construction Permit Application received on 08/02/2023 (Pond 2S)
    • Closure Construction Permit Application received on 08/02/2023 (Pond 3S)
    • Closure Construction Permit Application received on 08/02/2023 (Pond 1N)
    • Closure Construction Permit Application received on 08/02/2023 (Pond 1S)

Prairie Power, Prairie Power Inc.

  • Location: Pearl
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 11/01/2021 (Inactive Pearl Ash Pond)

SIPCO, Southern Illinois Power Co-op, Marion Station

UE/Ameren Missouri, Venice Station

  • Location: Venice
  • Website: Ameren CCR 
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (North Ash Pond)
    • Operating Permit Application received on 10/29/2021 (South Ash Pond)

Vistra - DBA Dynegy Midwest Generation LLC, Baldwin Energy Center

  • Location: Baldwin
  • Website: Luminant Illinois CCR 
  • Illinois EPA Received Permit Applications  
    • Operating Permit Application received on 10/29/2021 (Fly Ash Pond System)
    • Operating Permit Application received on 10/29/2021 (Bottom Ash Pond System)
    • Closure Construction Permit Application received on 07/31/2023 (Bottom Ash Pond)
    • Corrective Action Permit Application received on 04/24/2025 (Fly Ash Pond System)

Vistra - DBA Dynegy Midwest Generation LLC, Edwards Station

  • Location: Bartonville
  • Website: Luminant Illinois CCR 
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (Ash Pond)
    • Construction Permit Application received on 07/01/2022 (Ash Pond)
    • Corrective Action Permit Application received on 06/03/2025 (Ash Pond)

Vistra - DBA Dynegy Midwest Generation LLC, Hennepin Station

  • Location: Hennepin
  • Website: Luminant Illinois CCR 
  • Illinois EPA Received Permit Applications 
    • Operating Permit Application received on 10/29/2021 (Ash Pond No. 2 and No. 4)
    • Operating Permit Application received on 10/29/2021 (East Ash Pond)
    • Operating Permit Application received on 10/29/2021 (Old West Ash Pond No. 1 and No. 3; Old West Ash Polishing Pond)
    • Construction Permit Application received on 02/01/2022 (East Ash Pond)
    • Corrective Action Permit Application received on 05/08/2025 (Old West Ash Pond No. 1 and No. 3; Old West Ash Polishing Pond)

Vistra - DBA Dynegy Midwest Generation LLC, Newton Station         

  • Location: Newton
  • Website: Luminant Illinois CCR 
  • Illinois EPA Received Permit Applications 
    • Operating Permit Application received on 10/29/2021 (Primary Ash Pond)
    • Construction Permit Application received on 07/29/2022 (Primary Ash Pond)

Vistra - DBA Dynegy Midwest Generation LLC, Vermilion Station

  • Location: Oakwood
  • Website: Luminant Illinois CCR 
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/28/2021 (North Ash Pond/Old Ash Pond)
    • Operating Permit Application received on 10/28/2021 (New East Ash Pond)
    • Construction Permit Application received on 01/31/2022 (North Ash Pond/Old Ash Pond)
    • Construction Permit Application received on 01/31/2022 (New East Ash Pond)

Vistra - DBA Electric Energy Inc., Joppa Station

  • Location: Joppa
  • Website: Luminant Illinois CCR
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (East Ash Pond)
    • Construction Permit Application received on 07/29/2022 (East Ash Pond)
    • Corrective Action Permit Application received on 04/17/2025 (East Ash Pond)
    • Operating Permit Application received on 06/24/2026 (West Ash Pond)

Vistra - DBA Illinois Power Generating Company, Coffeen Station

  • Location: Coffeen
  • Website: Luminant Illinois CCR
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (Ash Pond No. 1) 
    • Operating Permit Application received on 10/29/2021 (Ash Pond No. 2)
    • Operating Permit Application received on 10/29/2021 (GMF Gypsum Stack Pond)
    • Operating Permit Application received on 10/29/2021 (GMF Recycle Pond)
    • Construction Permit Application received on 08/01/2022 (Ash Pond No. 1) 
    • Construction Permit Application received on 08/01/2022 (GMF Gypsum Stack Pond)
    • Construction Operating Permit Application received on 08/05/2022 (GMF Recycle Pond)
    • Corrective Action Permit Application received on 06/11/2025 (Ash Pond No. 2)

Vistra - DBA Illinois Power Resource Generating LLC, Duck Creek Station

  • Location: Canton
  • Website: Luminant Illinois CCR  
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (Pond No. 1 & Pond No. 2)
    • Operating Permit Application received on 10/29/2021 (Bottom Ash Basin)
    • Operating Permit Application received on 10/29/2021 (GMF Pond)
    • Construction Permit Application received on 02/01/2022 (Bottom Ash Basin)
    • Construction Permit Application received on 02/01/2022 (GMF Pond)

Vistra - DBA Kincaid Generating LLC, Kincaid Generation

  • Location: Kincaid
  • Website: Luminant Illinois CCR 
  • Illinois EPA Received Permit Applications
    • Operating Permit Application received on 10/29/2021 (Ash Pond)
    • Construction Permit Application received on 07/29/2022 (Ash Pond)