What is the difference between sewers and sewage?
Sewers are the networks of small and big pipes that carry wastewater.All sewers together form the sewerage. Sewers carry wastewater from home to the point of disposal, that is, the wastewater treatment plant. After treating wastewater, the clean water is released into nearby water bodies. Sewerage has manholes that can be used to clear blockages. Manholes are located at every 50 to 60 metres in the sewerage.
Sewage is liquid waste containing dissolved impurities called as contaminants. Contaminants are the harmful substances which can cause illness. It comprises of different types of impurities.There are various types of sewage, depending upon the colour and odour.