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World Journal of Engineering
Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

ISSN 2454-695X

Impact Factor : 5.924

ICV : 79.45

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Indexing

Abstract

DETERMINATION OF WATER QUALITY PARAMETERS AND IDENTIFY POLLUTION SOURCES OF UTTARA LAKE AND GULSHAN LAKE IN DHAKA CITY OF BANGLADESH

F.A. Samiul Islam*

ABSTRACT

Lakes are traditionally under-valued resources to human society but good water qualities in lakes are essential for maintaining recreation and fisheries and for the provision of municipal drinking water. This study was conducted to investigate the present water conditions and pollution sources of two selected lakes in Dhaka city, which are Uttara Lake and Gulshan Lake. For exploring the problems and the reason of pollution of these lakes, the surrounding environment of the lakes had been thoroughly surveyed where physical and chemical water quality parameters at some selected points had been tested. A questionnaire survey of a total of 200 people was made to find out the major reasons for lake water pollution from 2nd January 2022 to 15th January 2022. Physical and Chemical Parameters of water such as pH, Conductivity, DO, Iron, Temperature, Color, Alkalinity, CO2, Salinity, Turbidity, BOD5 were analyzed at different three locations of each lake. Finally, the mean value of such respective parameters was compared with the water quality standards as set by the Bangladesh Standards for Drinking Water (ECR 97), WHO Guideline Values (1993), and Bangladesh Standards for Fisheries (EQS, 1997) to find out the present water quality of these selected two lakes.

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