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Journal of Environmental Science and Technology
  Year: 2014 | Volume: 7 | Issue: 6 | Page No.: 337-346
DOI: 10.3923/jest.2014.337.346
 
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Impact of Landfill Leachate on Surface and Ground Water Quality

Md. Lokman Hossain, Satyajit Roy Das and Mohammed Kamal Hossain

Abstract:
Physical, chemical and bacteriological analyses of leachates, surface and ground water samples of Rowfabad landfill at Chittagong, Bangladesh were carried out to ascertain the magnitude of dumpsite pollution of surface and ground water during rainy and winter season. Surface water samples were collected from distances of 100, 200, 300, 400 and 500 m, respectively away from the landfill. Groundwater samples were collected from 3 points within 0.30 km radius of the landfill. All the samples were analyzed for relevant physico-chemical and biological parameters according to internationally accepted procedures and standard methods. Concentration of DO was found very low (0.8 mg L-1 in winter and 0.2 mg L-1 in rainy season), while, BOD (550 mg L-1 in winter and 216 mg L-1 in rainy season) and COD (745 mg L-1 in winter and 430 mg L-1 in rainy season) were high in the leachate sample. The presence of faecal coliform in ground water (15/100 mL in winter and 71/100 mL in rainy season) was upsetting. The higher concentration of iron (3.26 mg L-1 in winter and 2.61 mg L-1 in rainy season) and arsenic (1.7 mg L-1 in winter and 0.9 mg L-1 in rainy season) in ground water were found alarming. Necessary steps should be taken by the authority to prevent further contamination from leachate.
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How to cite this article:

Md. Lokman Hossain, Satyajit Roy Das and Mohammed Kamal Hossain, 2014. Impact of Landfill Leachate on Surface and Ground Water Quality. Journal of Environmental Science and Technology, 7: 337-346.

DOI: 10.3923/jest.2014.337.346

URL: https://scialert.net/abstract/?doi=jest.2014.337.346

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