Journal of
Civil Engineering and Construction Technology

  • Abbreviation: J. Civ. Eng. Constr. Technol.
  • Language: English
  • ISSN: 2141-2634
  • DOI: 10.5897/JCECT
  • Start Year: 2010
  • Published Articles: 140

Full Length Research Paper

A Canadian Water Quality Guideline-Water Quality Index (CCME-WQI) based assessment study of water quality in Surma River

G. M. Munna
  • G. M. Munna
  • Shahjalal University of Science and Technology, Sylhet, Bangladesh
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M. M. I. Chowdhury
  • M. M. I. Chowdhury
  • Civil and Environmental Engineering Department, P.O. Box 8275, King Fahd University of Petroleum and Minerals, Dhahran, Kingdom of Saudi Arabia 31261.
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A. A. Masrur Ahmed
  • A. A. Masrur Ahmed
  • Leading University, Sylhet 3100, Bangladesh
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Sadia Chowdhury
  • Sadia Chowdhury
  • Shahjalal University of Science and Technology, Sylhet, Bangladesh
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M. M. Alom
  • M. M. Alom
  • Shahjalal University of Science and Technology, Sylhet, Bangladesh
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  •  Accepted: 05 February 2013
  •  Published: 31 March 2013

Abstract

 

Water quality of Surma River is frequently deteriorating for the last few decades since ever-growing human activities, poor drainage facilities, and direct disposal of industrial and municipal waste. Along with poor structure, natural canals (local name Chara) are responsible for the conveyance of surface runoff from its urban catchments to the receiving Surma River. The purpose of this study is to assess the degree of pollution in context of CCME-WQI (Canadian Water Quality Guideline-Water Quality Index) in Surma River by determining various physico-chemical parameters. Data from sample analysis, the concentration of DO (Dissolved Oxygen), BOD (Biochemical Oxygen Demand), TSS (Total Suspended Solid), Turbidity and Fe (Iron) do not meet the satisfactory level. Particularly this study suggested that water quality of this river is affected for high turbidity and BOD due to soil erosion, runoff and municipal effluent discharge without any treatment. Beside these, concentration of heavy metals in Surma River is a bit high which poses another impact for the user of Sylhet city whom are mainly dependent on Surma River. Surma River is found to 15.78 according CCME-WQIs model which indicates that water quality of this river near Sylhet city is Poor and frequently impaired.

 

Key words: Natural canals, Surma River, pollution, solid waste, disposal.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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