Cost Economics Involved in Water Sector in India The cost incurred for the treatment of water & waste water depends upon various factors such as type of technology used, quality of the existing treatment facilities , potential for economies of scale, building or augmentation of water/waste water/sewage collection network. Presently in India very few states have achieved 100 % sewage collection and Chennai is one of those few states. However since the investment requirement for the network depends crucially on the size and density of the city, the cost of sewage collection is hard to generalize. Exhibit 01 displays the estimated range of costs records for producing secondary level sewage treatment of some of the sewage treatment plants in India. As far as Urban local bodies are concerned many of them are not obligated to treat their sewage beyond the secondary level. But unlikely to this the Bangalore Water Supply & Sewage Board provides tertiary level treatment to the sewage collected. Currently 4-5 sewage treatment plants under the BWSSB provides tertiary level treatment. Their reported production cost marginally high. The production cost 60 MLD Vrishabhavati Valley Sewage Treatment Plant is somewhere between 10-12 /KL. In the absence of tertiary treated
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*The views expressed in this article are solely those of enincon perspectives and do not necessarily represent those of Enincon LLP.