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Abstract

Paramount water pollution in a number of lentic systems is caused by textile and dye industries that discharge various chemical contaminants through effluents. For the present study, effluent samples were collected in situ from the outlaw of a textile dying factory in Tiruppur, that discharge effluents, claimed to be treated, into River Noyyal a tributary of Kaveri River. Effluent was collected from three stations, station I in the vicinity of the source and station II and III, located 10 and 20 meters away from the source respectively. The current work focused on the quantification of physical characteristics, chemical components, mineral and heavy metal contaminants in the dying industry effluent. Physical attributes like turbidity, electrical conductivity and TDS were above permissible limits. Chemical factors like free ammonia, DO, COD and BOD fluctuated significantly from the permissible limits. Minerals like Mg, NO3, Na, K1SO4 and Cl were present in concentrations above the permissible limits. Heavy metals like Al, Cd, Cr, Fe, Fb, Co, Ag and Mg were recorded in significantly high concentrations. Addition of this effluent into the water body is injurious to human beings and to the riverine biota