Year: 2014 | Month: December | Volume 3 | Issue 4
Study on possibilities of low cost waste water management in urban India with special reference to Kolkata, West Bengal
Abstract:
Cities in India have been in under tremendous pressure of population growth as well as with huge production of wastewater. Wastewater treatment projects have found vulnerable due to various constraints. In result natural bodies around the cities have been used as disposal site hence contaminated severely. So, controlling pollution through managing the wastewater as well as resource recycling has gained increasing urgency in recent decades. An effort has been made in this paper to critically examine the status of wastewater generation in urban India, its possibility of management through recycling with a special attention to Kolkata. It has been observed that city wastewater has been used as revenue earning combination of agriculture and aquaculture in Kolkata. The entire system created and developed by the local people in the area is the unique of its kind and serve as a ‘Natural Kidney’ of the Megacity Kolkata where sustain resource recovery system in the form of vegetable farms, fish ponds and paddy fields. Despite of various constraints fisheries have been functioning successfully in this area with producing employment opportunity for two persons per hectare. Therefore, the study shows that disposal of waste water in other Indian cities as well as in other parts of Kolkata can be used as low cost resource recovery process for future sustenance.
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