Question

why should we not drink the water from a shallow tubewell?
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Answer 1

Answer:

Drinking water from shallow tubewells that are intermittently contaminated with enteric pathogens contributes importantly to diarrhea among children in rural Bangladesh.

Answer 2

Answer:

Shallow tube wells are not suitable for provisioning drinking water as the water is closer to the surface and human activities. It might be full of bacterial contaminants.

Explanation:

• Shallow tube wells are  those with a depth of 30 m or less.
• They are closer to human population and therefore closer to sewage systems and bacterial contamination.
• Also, as water slowly seeps through the different layers of the soil, it gets filtered. In case of shallow tube wells, the water hasn't gone through enough filtration to clarify it. It will still have impurities present in it.
• Shallow tube wells will also run dry quickly as population and demand for water increases.