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

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

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Expert Solution

Sewage:- Wastewater produced from different sources containing various contaminations that have detoriated the quality of water both physically and chemically is called a sewage. the various sources includes industrial waste water, household waste water, community waste water etc. because of the contaminations it becomes main source of bacterial growth and thus physically appers in different colours like black or grey in some cases when this water remains static develop very bad smell.

Sewage is harmful to use because it contains bacterias viruses and orher microbial agents which are the main cause of diseases for example a waste water produced from toilet wastes are the main causes of bowel diseases.

the sewage discharged into marine bodies cause effects like eutrophication (increased nutrient content) thus becomes the heaven land for bacterias and viruses which grow exponentially and if such water is used can lead to epidemic in the community. also the sewage discharge to water bodies cause high threat to fishes and can cause biomagnefication.

sewage also contains various chemicals such as nitrates, phosphates,medical wastes, pharmaceuticals which can cause heavy damage to health of an individual.

gladiator answered 1 year ago

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