ASSESSMENT OF THEROOR WETLAND, WATER QUALITY KANYAKUMARI DISTRICT, TAMILNADU, INDIA.

Wetland water quality assessment plays an important role in water protection and quality conservation its present use and also a potential source for future consumption. The study area selected was Theroor wetland of Agasteswaramtaluk popularly known as city of lakes’’, Kanyakumaridistrict, South India. Present study is focused on the determination of hydrological parameters during different seasons in 2015-2016 at three stations of Theroor wetland. The limnological characteristic like rainfall, air and water temperature, pH, total hardness, dissolved oxygen, biological oxygen demand were studied to analyze the suitability of Theroor wetland water quality. Good and suitable water quality was observed in following seasonal order during the study period i.e. Post monsoon>Premonsoon>Monsoon> summer. Which were compared with standard values prescribed by WHO (2010); APHA(2005);BIS(1991);BIS (1991); ISI (1991). The fluctuation in values of physicochemical parameters of water obtained in the present study sites indicated that the Theroor wetland is slowly transforming to eutrophication status which is due to unplanned urbanization and ad hoc approach of letting untreated sewage in to this wetland water body. It is the prime necessary to lake immediate remedial action to prevent all anthropogenic activities in and around the study area or else the lake will become biologically barren and will be lost forever.