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What is sewage? In which way can sewage ...

What is sewage? In which way can sewage be harmful to us?

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Sewage is the municipal waste matter that is carried away in sewards and drains. It includes both liquid and solid wastes, rich in organic matter and microbes. Many of these microbes are pathogenic and can cause several water borne diseases. Sewage water is a major cause of polluting drinking water. hence it is essential that sewage water is properly collected, treated and disposed.
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