WATER QUALITY ANALYSIS OF RIVER TUNGABHADRA NEAR HARIHAR

civil engineering

River Tungabhadra flowing near Harihar taluk in Karnataka (India), receives waste water discharges from villages located on the bank of River and waste water discharged from industries located in Harihar. The present study involves the implementation of QUAL2KW model to determine the water quality status of this polluted our selected stretch of River. The River samples are collected for pre monsoon and lab results are used for calibrating the model. We observed that predicted values of the model are approximately in match with the observed values. Model results for pre-monsoon indicate decreasing quality of water from upstream to downstream for the selected segment. . This is because of discharge of domestic waste water from Rajanahalli, Halasabalu and Nalawagal into River and due to release of waste water from industries located on banks of River in Harihar. Since many of the selected water quality parameters are exceeding their limits, water in the selected segment is not fit for drinking or it is not portable.

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