The major aim of wastewater treatment is to remove as much of the suspended solids as possible before the remaining water, called effluent, is discharged back to the environment. As solid material decays, it uses up oxygen, which is needed by the plants and animals living in the water.
How Wastewater Treatment Works? - Choice Water Solutions
The aim of wastewater treatment is to remove as much of the suspended solids as possible before the effluent is discharged back to the environment, according to USGS.
