Physico-chemical studies were conducted in river Cauvery situated in Kumbakonam, Tamil Nadu, India. The study was conducted from January 2010 to January 2011. The present paper deals with nutrient status in Cauvery river, for this three stations were selected for the sampling methods i.e., S1, S2 and S3 the main aim of the study was to determine the nutrient status of Cauvery River and the suitability of the water for domestic and other purposes, in the light of water quality criteria prescribed by WHO standards. The parameters analyzed were water Temperature, pH, dissolved oxygen, Free CO2, Calcium, Magnesium Sodium, potassium, Ammonia, Nitrate, Nitrite, Phosphate, Sulphate and Silicate. The results indicated that most of the physico-chemical quality parameters of River Cauvery were within the WHO limits for drinking water and, therefore, may be suitable for domestic purposes. However, nutrients levels were low during the study period and did not give any clear seasonal variation. The results revealed that the values of Nitrate and Phosphate do not compile with WHO standards. Water quality assessment of delta regions of Cauvery River revealed slightly contamination from anthropogenic activities.
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