CINCINNATI -- Samples early Thursday showed the West Virginia chemical spill was no longer detectable in the Ohio River in the Cincinnati area, public water officials said.
The Greater Cincinnati Water Works shut down river intakes late Tuesday night in anticipation of tainted water arriving from the Elk River spill. Monitoring initially showed levels well below what would have been considered unsafe, and officials said Thursday the latest tests showed the tainted water had passed through the area.
Tony Parrott, executive director of the water works and the Metropolitan Sewer District, said the chemical hadn't been detected in Ohio River samples since early Thursday morning. Officials said intakes would reopen Thursday afternoon.
The Water Works used water from a suburban Fairfield groundwater plant to avoid service disruptions for Cincinnati users.
Some 300,000 people in West Virginia were told not to drink, shower or wash clothes with tap water after the Jan. 9 Elk River spill of a chemical used in coal processing.
Water officials in Louisville, Ky., expected the plume from the chemical spill to reach there by Friday morning, but they said the chemical will dilute further and can be adequately treated by their facilities. They didn't expect to shut off intake valves.