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It is observed that most economical way in treating the drinking water for humans with coagulation treatment cost is Rs.1.25 per litre calculated in case of open surface water but only Rs.0.15 cost for ground and water storage tanks samples, after treatment it is sure water is safe for drinking purpose. But boiling treatment of drinking water is not economical as compare to coagulation treatment because it covers the Rs. 2.5 to Rs. 1.0 it depends on nature of water quality to treat. This costdoi:10.22161/ijeab/1.3.37 fatcat:zztmbuahk5c7fpf7sqd3lstl6q