dioxane

The Cape Fear River Basin is the source of drinking water for 1.5 million North Carolina residents. It is also where three municipal governments — Asheboro, Greensboro and Reidsville — are legally dumping dangerous levels of 1,4-dioxane, a colorless industrial solvent linked to cancer.

The city of Greensboro says a contractor is responsible for dumping a potentially carcinogenic chemical into the water supply in the Cape Fear River…