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An Assessment on the Impact of Waste Discharge on Water Quality of Priyar River Lets in Certain Selected Sites in the Northern Part of Ernakulum District in Kerala, India

Author Affiliations

  • 1 PG Department of Botany, Sree Narayana College, Nattika, Thrissur, Kerala, INDIA

Int. Res. J. Environment Sci., Volume 2, Issue (6), Pages 76-84, May,22 (2013)


The study assessed the impact of waste discharge on the water quality of Periyar river lets at four different sites selected in the Northern regions of Ernakulam District. Physico-chemical status was examined to determine the quality of river water. The parameters studied includes colour, odour, taste, pH, total hardness, turbidity, calcium, magnesium, alkalinity, chloride, sulphate, nitrate, fluoride, phosphate, total dissolved solids, BOD, COD and electrical conductivity. The results were compared with the BIS standards. The study noticed that the water samples from site1, site2 and site3 exhibited clear pollution tendencies which may be attributed to the higher or lower level of different parameters studied which are not satisfying the requirement for the uses of various purposes.


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