The Odiyur/Cheyyur Lagoon is situated in Cheyyur Taluk of Kancheepuram district, Tamil Nadu, on the southeast coast of India. The present study aims at the distribution of metals in the odiyur lagoon, in order to enhance the data inventory for the region and help to understand the influence of anthropogenic activities. Sodium is the dominant cation among the other cation in the study area and the order of abundance cation is Na>K>Mg>Ca. Iron and manganese concentrations show high in station 3 and 5 indicating high in western part of the lagoon which is landward side and gradually decreases towards eastern side. It is observed that lagoon is moderately enhanced with heavy metals in water samples due to anthropogenic activities. Hence the management should consider the reduction of heavy metals in the Odiyur Lagoon.
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