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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Tubewell water quality and predictors of contamination in three flood-prone areas in Bangladesh
Journal of Applied Microbiology, Volume 105, No. 4, Year 2008
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Description
Aims: To measure enteric bacterial contamination of tubewells in three flood prone areas in Bangladesh and the relationship of bacteriological contamination with tubewell sanitary inspection scores. Methods and Results: Microbiologists selected 207 tubewells in three flood prone districts, assessed physical characteristics of the tubewells and collected a single water sample from each tubewell. Tubewell water samples were contaminated with total coliforms (41%, n = 85), thermotolerant coliforms (29%, n = 60) and Escherichia coli (13%, n = 27). Among contaminated wells, the median CFU of contamination per 100 ml was 8 (interquartile range, 2-30) total coliforms, 5 (interquartile range, 2-23) thermotolerant coliforms and 6 (interquartile range, 1-30) E. coli. There was no significant association between tubewell contamination with E. coli, thermotolerant coliforms or total coliforms and a poor sanitary inspection score, though a history of inundation was associated with contamination with both E. coli and thermotolerant coliforms. Conclusions: Tubewells in flood-prone regions of Bangladesh were commonly contaminated with low levels of faecal organisms, contamination that could not be predicted by examining the tubewell's external characteristics. Significance and Impact of the Study: The forms currently used for sanitary inspection do not identify the most important causes of drinking water contamination in these communities. © 2008 The Authors.
Authors & Co-Authors
Luby, Stephen P.
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
United States, Atlanta
Centers for Disease Control and Prevention
Gupta, Sundeep K.
United States, Atlanta
Centers for Disease Control and Prevention
Johnston, Richard Bart
Unknown Affiliation
Ram, Pavani Kalluri
United States, Atlanta
Centers for Disease Control and Prevention
Islam, Mohammad Sirajul
Bangladesh, Dhaka
International Centre for Diarrhoeal Disease Research Bangladesh
Statistics
Citations: 92
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1111/j.1365-2672.2008.03826.x
ISSN:
13645072
Research Areas
Environmental