How can contamination of drinking water occur from sewage even in a covered drainage system?

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Solution

In areas where drinking water pipe and sewage line are close, damages and leaks in the water pipe joints can sometimes lead to contamination of drinking water.

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Similar questions

Q. No contamination of drinking water can occur if closed pipes are used for drainage of sewage. Is this always true? Explain.

(i) Cholera can be caused by eating or drinking water contaminated by faeces of an infected person.

(ii) Cholera can be spread rapidly in areas where there is inadequate treatment of sewage & drinking water.

Choose the correct options.

Appu lives in an area where there is heavy rainfall. To prevent flooding of his village, the village has a parallel drainage system that collects rain water along with another drainage system that collects sewage. What is the drainage system that collects rainwater called?

Which of the following disease cannot be caused by drinking of river water contaminated with untreated sewage?

(a) cholera

(b) typhoid

(d) diarrhoea

Which of the following diseases can a person suffer from by drinking contaminated water?

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