Ooty lake one of the dirtiest in Tamil Nadu

The lake in Udhagamandalam, popularly known as Ooty, is, according to a study by the Tamil Nadu Population Control Board (TNPCB), one of the most polluted water bodies in the state. Its water quality, the study says, unsuitable for potable purposes. A major tourist attraction in the popular hill station, the lake now emits a foul odour, thanks to untreated sewage being let out into it. The study also found that the total and feed coliform contamination levels stood at 5,353 (most probable number in 100 millimeters) and 10,322 MPN/100 ml. respectively, which is more than double the permissible limit.

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