A report based on coal companies’ own self-reported data shows widespread contamination of ground and surface water.
Environmental activists want more testing and accountability following coal ash breaches at two Duke Energy sites during Hurricane Florence.
State investigators arrived on the scene over the weekend and plan to release testing results later this week.
Environmental groups say the rush to let states regulate coal ash has lacked transparency or public input.
Chicago-area residents worry a former stone quarry will become a destination for coal ash now stored near four NRG power plants.