415 ILCS 5/3.143
Current through Public Acts 103-1 through 103-587, 103-589, and 103-590
"CCR surface impoundment" means a natural topographic depression, man-made excavation, or diked area, which is designed to hold an accumulation of CCR and liquids, and the unit treats, stores, or disposes of CCR.
415 ILCS 5/3.143