Document Type : Original Article


Department of Civil Engineering, Barishal Engineering College, Barishal, Bangladesh


Dhaka, the capital of Bangladesh, is encircled by six rivers like a garland. Dhaka's growing population, urbanization, and modernization are causing problems with wastewater discharges and water pollution in the river's water body. These rivers receive wastewater from numerous sources, which are discharged as industrial effluents, municipal sewage, household wastes, clinical wastes, and oils. The water of these rivers is being polluted to an increasing degree. This study investigated how the surface water in Dhaka's rivers varies throughout the year. The results of various water quality indices, such as DO, BOD, COD, pH, TDS, EC, SS, Turbidity, and alkalinity, were compared with the guidelines set by Bangladesh's Department of Environment (DoE) and the World Health Organization (WHO). Sample collection was done in two seasons in a year, dry season and wet season. In this study, researchers also aim to determine the effect of this wastewater on the river water and thus provide a report on the state of a numerical rating for determining the rivers' water quality.


Main Subjects

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