Question

A new wastewater treatment plant opens in an area where raw sewage used to be dumped directly into a bay. What type of pollution will be reduced the most by the new plant?
a.
toxic
b.
sediment
c.
nutrient
d.
bacterial


Please select the best answer from the choices provided

A
B
C
D

Answer 1

D

Raw sewage is high in pathogens; wastewater treatment (especially disinfection) greatly reduces bacterial contamination. Nutrient removal requires advanced treatment, and sewage isn't a major source of sediment or most industrial toxics.