Seasonal Variation of Water Quality Constituents in the Turag River

Mir Obaidur Rahman and Mohammad Zahangeer Alam
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Mir Obaidur Rahman: Department of Environmental Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
Mohammad Zahangeer Alam: Department of Environmental Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh

International Journal of Research and Innovation in Applied Science, 2021, vol. 6, issue 9, 118-125

Abstract: Unplanned urbanization enhances environmental threats. Environmental threats increases water pollution that creates harmful impacts on the distribution of aquatic species. The present study is focused to evaluate the seasonal variation of water quality parameters in the Turagriver. Water samples were collected from 5 locations in north and south sides of the Turagriver during summer and winter seasons. The quality of water was found jeopardy. Dissolved oxygen (DO) of water samples were detected 4.9 to 5.7 mgL-1 during summer season. In winter, DO was found 0.78 to 0.95 mgL-1. The chemical oxygen demand (COD) was found higher in winter as compared to summer season. Heavy metals (Cr, Ni and Mn) in water samples were found higher than that of standard limit in both the seasons. Disposal of industrial wastewater was found to be the main causes for the pollution of water. It is suggested that disposal of wastewater should be treated properly before discharge into water bodies. Consequently, water will be contaminants free for community people and aquatic species that will help to protect of sustainable livelihood.

Date: 2021
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