This map shows all of the major power plants with coal ash impoundments in Illinois.
Click on a site to zoom in and see a detailed map. Click Full Map to return to the statewide map.
Site information including documentation and resources such as NPDES discharge permits, impoundment dam stability, inundation maps, flood maps, and more will appear in this window.
Specific impoundment details including liner status, hazard risk, and breach maps, are available for each impoundment by clicking on any particular impoundment on the map.