Even without floods, multiple Ohio sites already have been found to have elevated contaminant levels in groundwater.
The pollution control board will hold additional public hearings to determine a remedy for the violations.
The legislation looks to provide more public participation and financial assurance than federal law requires.
North Carolina Gov. Roy Cooper has a chance to fundamentally reshape the state’s utility board with a series of appointments in the coming days.
Multiple coal ash sites in Illinois sit within or adjacent to flood plains, according to environmental watchdogs.