Butyl acrylate was believed to have seeped into the Ohio River.
Utilities in Cincinnati and Northern Kentucky shut Ohio River water intake valves early Sunday morning over concerns about contamination by hazardous materials from a train that derailed in East Palestine, Ohio.
The two utilities, Greater Cincinnati Water Works (GCWW) and Northern Kentucky Water District (NKWD), said they are taking precautions as testing found at least low levels of chemicals from the toxic spill in some places at intakes along the waterway amid reports of fish dying en masse in local waterways and East Palestine residents reporting ailments such as headaches and rashes.
After the Norfolk Southern freight train derailment on February 3, crews executed what authorities said was a controlled burn of hazardous chemicals from cars that were in danger of exploding, prompting temporary evacuations and a large plume of smoke over the small town on the Pennsylvania border.