Many Long Island residents fear toxic chemicals are seeping into the fragile water supply.
Experts say the drinking water is threatened by the unregulated and highly toxic man-made chemical 1,4-dioxane. It is found in detergents, manufacturing solvents and firefighting foam.
MORE: Lawmakers Call For Legislation To Get Chemicals Out Of Long Island Water
Demands have come from homeowners and environmentalists that the federal government do something to regulate use of poly-fluoro-alkyl substances, stop their spread and help pay for the cleanup have gone unheeded.
