What is sewage? explain why it is harmful to discharge untreated sewage into rivers or seas
Answers
It is harmful to discharge untreated sewage into rivers or seas because it can pollute the whole sources of water. Sewage contains harmful substances and disease causing organisms. It is therefore dangerous to release untreated sewage in water.
Explanation:
sewage
ˈसूइज्
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noun
the waste material from people’s bodies that is carried away from their homes in water in large underground pipes (sewers)
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Sewage contains various contaminants including disease-causing bacteria and other microbes. ... If this contaminated water is used for drinking, then it can cause diseases such as cholera, typhoid, dysentery, etc. which may lead to death. That is why it is harmful to discharge untreated sewage into rivers or seas.