Water Pollution in TamilNadu M.Arunagiri Nathan Killikulam.Valla nad Thoothukudi

Water pollution is the contamination of water bodies such as , rivers, oceans, and groundwater. All water pollution affects organisms and plants that live in these water bodies and in almost all cases the effect is damaging either to individual species and populations but also to the natural biological communities. Water Pollution

 It occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful constituents. Occurence

“Point source” — occurs when harmful substances are emitted directly into a body of water. “Nonpoint source” — delivers pollutants indirectly through transport or environmental change. Water Pollution- Types

Sewage Plastic Oil, Gasoline and Additives Chemical and Industrial Processes Toxic Pesticides/Fertilizers Large textiles industries Causes for WP in TN

Virudhunagar municipality have complained of air and water pollution caused by a chilly oil extract unit. The effluent had also polluted the ground water that has turned “reddish,” causing irritation and vomiting among the residents. WP in TN Districts

Thoothukudi The effluents from thermal power stations located near the seacoast must not be allowed into the sea without treatment. The effluents from thoothukudi thermal power station affects pearl culture near the southern coast.

There are about 80 tanneries operating in and around Dindigul town. The untreated effluents from the tanneries have considerably affected the quality of groundwater in this area. To assess the extent of groundwater deterioration, a detailed analysis of groundwater quality data should be analiysed .

Tannery effluents Chrompet, a suburb of Chennai,the samples collected from 66 dug wells showed the ground water to be highly untreated tannery effluents and toxic heavy metals such as iron, lead and manganese were found in drinking water.

Tirupur have many textile & dyeing industries. The waste products from this industry is Highly toxicant to Humans and Plants and Aquatic living organisms. Per yr 8,33,365.75 tons of hazardous waste is liberated . Among this about 77% ,pollutes water in one or another way. E.g Though Bhavani river is away from Tirupur, it was polluted through the underground water system.

In Ambattur, Alkaline Batteries Ltd., Is situated. The wastes from this industry contains Mercury, Cr, Lead. This pollutes the river and it makes the river unfit for the Aquatic organisms to live till 40 km.

Temporal and spatial variations in the concentration of aluminium, iron, zinc and copper were investigated both in water and sediment of two stations fixed in Tuticorin coastal waters polluted by the disposal of fly ash from the shore-based thermal power station

The Koovam river in Chennai, is once a source for Good water…..But due to water pollution it is Famous world wide as a Sewage river.

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