2.IMPACTS OF MUNICIPAL SEWAGE ON THE RIVER CAUVERY IN TIRUCHIRAPPALLI CITY, TAMILNADU BY V. JEENA, T. RAKESH SHARMA AND S. KALAVATHY
Abstract
Urbanization and industrialization has a remarkable impact on the surface water systems. The river
Cauvery is one of the major South Indian rivers supporting agriculture and domestic usage. It also carries
the discharged wastes. Since the latter is mismanaged and over exploited the river water needs constant
monitoring for sustaining the quality. The water quality was determined through the following parameters:-
pH, Electrical Conductivity, Total Dissolved Solids, Dissolved Oxygen, Chemical Oxygen Demand,
Biochemical Oxygen Demand, Total Hardness, Total Alkalinity, Chloride, Sulphate and Nitrate. All these
parameters were considerably affected by the discharge of municipal sewage. The present study has proven
that urban wastewater has heavy impact on the river. Uyyakondan canal, the distributary of the Cauvery is
relatively more polluted than the main river itself. Protection and management of the river systems is
warranted.
KEY WORD: Canal, Domestic wastes, Organic matter, Parameters, Urbanization , Water quality.
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