Could industrial waste threaten Houma-Thibodaux's drinking water? Here's what's being proposed
Could industrial waste threaten Houma-Thibodaux's drinking water? Here's what's being proposed David Mitchell GEISMAR — A Louisiana fertilizer plant says it can treat contaminated and highly acidic wastewater to drinking-water standards and wants a state permit to discharge it into the Mississippi River — the drinking water source for Houma-Thibodaux, New Orleans and other downriver communities. Since the 1960s, fertilizer manufacturer PCS Nitrogen and its predecessors have piled up a 180-foot-tall mound of a chalky white chemical waste byproduct known as phosphogypsum on a remote high...