What is wastewater?
Wastewater is the water that has been used and produced after domestic, commercial, and industrial usage.
The composition of wastewater is highly variable and is mainly 99.9% water and 0.1 % solids. These solids are comprised of various organic, inorganic, and artificial compounds, and pathogenic and non-pathogenic microorganisms.
Wastewater also contains stormwater run offs from various domestic and urban areas which may add other harmful substances to it.