Author(s): Priyanka Kotoky, Bibhash Sarma
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Volume. 6 - Issue. 05 , May - 2017
All foreign material added to a natural water body is considered contamination. Overloading a natural water body beyond its reserve or recuperative capacities with contaminants is a very serious matter that can cause health and environmental problems. The aim of a water treatment plant is to reduce the level of contaminants in raw water before use for various consumer needs. In this study, Panbazar water treatment plant (GMC), Satpukhuri water treatment plant (GMC), Kamakhya water treatment plant (GMC), Panbazar water treatment plant (PHED), Jalukbari water treatment plant (PHED and Zoo Road water treatment plant (AUWSSB) of Guwahati city of the state Assam, India have been selected to assess the water treatment efficiencies in terms of reduction of the water quality parameters that are present in higher levels in untreated raw river water. Brahmaputra river water is the source of raw water for these water treatment plants. For this study, untreated (raw) water samples and treated water samples were collected from the selected 6 water treatment plants. The samples were analyzed for fluoride, iron, manganese, nitrate, hydrogen-ion concentration, turbidity, total dissolved solids, alkalinity, chloride, total hardness, sulphate, arsenic, lead, residual chlorine and bacteriological parameter using appropriate analytical methods and sophisticated instruments and compared with the standards set by Bureau of Indian Standards. As these water treatment plants treat the raw river Brahmaputra water for drinking purpose (consumer needs), it is very important to assess the water quality parameters in treated water and thus to know their treatment efficiencies in terms of reduction in the levels of the parameters.
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