Watertown takes in millions of gallons of landfill runoff. Environmental groups worry that’s bringing in toxic PFAS chemicals

Watertown takes in millions of gallons of landfill runoff. Environmental groups worry that’s bringing in toxic PFAS chemicals

WATERTOWN — Each year, thousands of trucks filled with the liquid runoff collected at major landfills across New York are driven into Watertown, taken to the city’s sewage treatment plant, processed and discharged into the Black River.