The Tennessee Valley Authority's plan to cap, cover and monitor legacy power plant waste in three states is being challenged in court by environmental opponents.
North Carolina has issued the nation’s first National Pollutant Discharge Elimination System (NPDES) permit for the dewatering of power-plant coal-ash ponds in upland areas.
The North Carolina Dept. of Environmental Quality has proposed classifications for 32 coal-ash impoundments at 14 powerplant sites owned by Duke Energy.