Question

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.

Answer

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