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International Journal of Technology Enhancements and Emerging Engineering Research (ISSN 2347-4289)
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IJTEEE >> Volume 2 - Issue 6, June 2014 Edition



International Journal of Technology Enhancements and Emerging Engineering Research  
International Journal of Technology Enhancements and Emerging Engineering Research

Website: http://www.ijteee.org

ISSN 2347-4289



Assessment Of Water Quality Of Hatirjheel Lake In Dhaka City

[Full Text]

 

AUTHOR(S)

Md. Shahrior Alam

 

KEYWORDS

Keywords : Water quality assessment, pH, Color, Turbidity, Alkalinity, Hardness, Chloride, Iron, Carbon dioxide (CO2), Biochemical Oxygen demand (BOD), and Chemical Oxygen demand (COD).

 

ABSTRACT

ABSTRACT: This paper will show the water quality assessment of Hatijheel Lake. Research work has been carried out to determine some vital water quality parameters those abate the water quality and find out the most vulnerable location of Hatirjheel Lake. The assessment in-cluded whether the water quality meets the criteria for drinking water quality set by ECR’97, and whether if varies from different points of the Hatirjheel Lake in the dry season. We get pH varied from 6.7 to 7.1 with a weighted average of 7.0 100% samples maintain the standard (ECR.97). Color varied from 25 to 50 pt-Co units with a weighted average 42.0 pt-Co units 100% samples showed deviation from standard. Turbidity varied from o to 13 NTU with a weighted average of 7.2 NTU 40% samples showed deviating from the standard. Carbon dioxide (CO2), varied from 35 to 60 mg/l and a weighted average 46 mg/l. Alkalinity varied from 90 to 345 mg/l as CaCO3 and a weighted average 162 mg/l as CaCO3. Hardness varied from 150 to 300 mg/l as CaCO3 and a weighted average 215 mg/l as CaCO3 40% of the samples have shown lower value then the ECR’97 standard. Chloride varied from 0.5 to 1.0 mg/l with a weighted average of 0.70 mg/l, 100% samples showed deviation from the standard. Carbon dioxide (CO2), varied from 28 to 60 mg/l with an average 45.7 mg/l, 100% samples showed deviation from the standard. BOD varied from 0.0 to 10 mg/l with a weighted average of 6.8 mg/l, 100% samples showed deviation from the standard. COD varied from 28 to 60 mg/l with a weighted average of 45.7 mg/l, 100% samples showed deviation from the standard. This paper will help the assessment of water of Hatirjheel Lake and necessity of prevention of lake contamination.

 

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