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The ground water quality status of waste disposal site in the eastern part of Kolkata - a case study

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conference contribution
posted on 12.02.2018, 15:08 by P.B. Maity, T. Saha, P.B. Ghosh, D. Chatterjee
Untreated disposal of wastes, both solid and liquid created by various human activities, causes contamination of ground water through the processes of leaching, and percolation through soil. The leachate containing soluble nitrogen, phosphorus and sulfur compounds including toxic metals, originated from the untreated waste percolates through the soil and loads the ground water with these compounds. Such loading may make the ground water unsuitable for drinking purpose. The problem is supposed to be more acute in areas like Dhapa and Bantala situated at the eastern part of the city of Kolkata. This area is not only the main disposal ground of the Kolkata Municipal solid waste but also crisscrossed with untreated city sewage carrying channels and fisheries, fed with this sewage: A detail study of 16 parameters regarding quality of 23 water samples (from 8 villages) drawn from tube wells around the Dhapa waste dumping ground, 12 water samples of tube wells (6 from 3 villages and 6 from nearby 6 bheries) from areas around fisheries of Bantala and 5 water samples of tubewells from normal field of different parts of KMC area have been assessed. The assessment results have been compared with the values obtained from tube wells of normal field of KlvIC area and for the same parameters (available) of standard drinking water. The findings have been presented in tabular form showing the departure of the quality of water samples from those of the standard drinking water in a qualitative way.



  • Architecture, Building and Civil Engineering

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  • Water, Engineering and Development Centre (WEDC)

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MAITY, P.B. ... et al, 2002. The ground water quality status of waste disposal site in the eastern part of Kolkata - a case study. IN: Reed, B. (ed). Sustainable environmental sanitation and water services: Proceedings of the 28th WEDC International Conference, Kolkata (Calcutta), India, 18-22 November 2002, 3p.p.


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