12th Class Geography Solved Paper - Geography 2014 Delhi Set-III

  • question_answer
    Explain with examples, how the industries are responsible for polluting water resources in India.


    The dumping of industrial waste into rivers leads to water pollution. Industries generate ordinary domestic sewage that can be treated by municipal facilities but those industries that generate waste water with high concentrations of conventional pollutants (e.g. oil and grease), toxic pollutants (e.g. heavy metals, volatile organic compounds) or other non-conventional pollutants such as ammonia are highly responsible for polluting the water resources. When these enter the water resources from- industries deteriorate the quality of water and render it unfit for human use. This in turn limits the availability of usable water resources. Most industries in India do not follow the norms and let the wastewater go into the rivers without the process of detoxification. For example - The Yamuna River is the most polluted river in the country between Delhi and Etawah. This is just because industries between these two cities do not detoxify their wastewater. Other severely polluted river is the Sabarmati at Ahmedabad.

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