Question

In more rural areas domestic sewage and wastewater is pumped underground in a settling tank and broken down by bacteria it is then released to the soil this waste is treated by using

Answer 1

A septic tank.

Step-by-step explanation:

Answer 2

A drainfield is used to treat the waste in the water that is released into soil.

Step-by-step explanation:

• The wastewater enters the drainfiled via the underground tanks.

• This drainfield is usually constructed in an unsaturated soil. The wastewater on being discharged onto the porous soil gets filtered.

• In this process, the soil treats, accepts and disperses water. The water then percolates into the soil where it gets treated naturally to remove all harmful coliform bacteria, viruses and nutrients.