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Seasonal Variation of Physicochemical parameters and coefficient correlation of Karave Lake (Nerul), Navi Mumbai, Maharashtra, India

The study determined the seasonal fluctuations in physicochemical characteristics of Karave Lake Nerul's water (Navi Mumbai) at five sampling stations from August 2018 to July 2019 for fourteen different parameters. The findings demonstrated considerable seasonal change in various physicochemical parameters, with the highest levels recorded in COD, Nitrates, Total Dissolved Solids, and Temperature during the pre-monsoon period. During the monsoon, maximum levels were recorded in BOD, Hardness, Turbidity, Electrical Conductivity, DO and free CO2. During post-monsoon, maximum levels were recorded in pH, Salinity, Alkalinity, and Phosphates; however, most of the parameters were within normal ranges, indicating improved lake water quality. The statistical correlation between Karave Lake's physicochemical parameters was calculated.