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Md. Toslim Mahmud
Sanjoy Kumar Mukharjee
Ibrahim Khalil
Arifur Rahman Foysal
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Md. Toslim Mahmud
Sanjoy Kumar Mukharjee
Ibrahim Khalil
Arifur Rahman Foysal
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World Journal of Microbiology

Physicochemical and Microbiological analysis of tube-well water from Noakhali district, Bangladesh

Md. Toslim Mahmud*, Sanjoy Kumar Mukharjee, Md. Ibrahim Khalil, Md. Arifur Rahman, Foysal Hossen

Department of Microbiology, Noakhali Science and Technology University, Sonapur, Noakhali-3814, Bangladesh.

Accepted 02 August, 2016.

Citation: Mahmud T, Mukharjee SK, Khalil I, Rahman A, Hossen F (2016). Physicochemical and Microbiological analysis of tube-well water from Noakhali district, Bangladesh. World Journal of Microbiology, 3(1): 050-055.

Copyright: © 2016 Mahmud et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

Tube-well water is thought to be free of microbial contamination due to the natural filtering ability of the subsurface environment. However the physicochemical and microbiological quality of this water may deteriorate due to the inappropriate installation of tube-wells and improper sanitation condition. The present study was undertaken to investigate the physicochemical and microbiological parameters of tube-well water in the Noakhali district of Bangladesh. 20 tube-well water samples from 10 separate locations were selected for this investigation from Noakhali Sadar Upazila in Noakhali district. In physiochemical analyses, temperature, pH, electrical conductivity (EC), salinity and total dissolved Solids (TDS) was determined by standard methods whereas, microbial analyses was conducted for total viable count (TVC) & for the determination of E. coli, Vibrio cholera, Vibrio parahaemolyticus, Salmonella spp. The result of the study revealed that the physicochemical parameters of the tube-well water samples are not satisfactory. All the tube-wells were grossly contaminated with bacteria E. coli, Vibrio cholerae, Vibrio parahaemolyticus but no wells are contaminated with Salmonella spp. Good and proper environmental and personal hygiene must be maintained especially by the users of those wells to prevent their contamination with bacterial pathogens.

Keywords: Physicochemical, microbiological, tube-well water, bacterial pathogens, contamination.