Duke Energy announced it has finished actively cleaning coal ash from the Dan River, a little less than six months after a massive spill turned the water gray. The bulk of the ash will remain in the river.
Between 30,000 and 40,000 tons of ash, containing heavy metals including arsenic and lead, spilled into the river in February. It flowed down the Dan River, collecting in pockets on its banks and bottom.
Duke has dredged three main areas—next to the spill site, from the water treatment plants of cities downriver, and, the largest, near a dam outside the city of Danville.