EDEN, N.C. - State environmental officials are investigating a spill of coal ash into the Dan River in Rockingham.
Duke Energy reported that the spill happened Sunday afternoon.
The Department of Environment and Natural Resources and local officials are working with the utility to prevent health hazards.
Barry Dunkley with Danville Utilities says it was able to treat the spill.
Meagan Musgrave with Duke says the coal ash and water were released from the Dan River Power Plant in Eden. Musgrave says a water quality monitoring team has been at the scene since the spill.
Rockingham County Emergency Management Director Johnny Bowles says there are no problems with the city's water supply.
The federal Environmental Protection Agency has been notified.