Which of the Following Must Obtain a National Pollution Discharge

Multiple Choice

Which of the following must obtain a National Pollution Discharge Elimination System (NPDES) permit?

A) A manufacturing firm buries its hazardous waste materials in a special dump.
B) A factory discharges industrial wastewater from a point source into a river.
C) An apartment building discharges domestic sewage to a publicly owned treatment works.
D) A chemical plant discharges wastewater to a publicly owned treatment works.