Limnological Study of Lakes

Chennai is also blessed with presence shallow storage structures are called lakes. The rapid urbanization and industrialization, the change in land use pattern has resulted in flooding and also for more demand of water in the city. The paper studies two lakes Ayapakkam& Ayanambakkam in the Kosasthalaiyar basin of Chennai city. The study analyses the physio chemical parameters of lakes and assessing the water quality parameters. The results are revealed with presence of heavy metals, low dissolved oxygen and floating gardens all over the lakes. The lakes fall under hard water category. The importance of Chennai lakes and simple restoration methods are highlighted in the paper