Annals of Tropical Medicine and Public Health
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Year : 2013  |  Volume : 6  |  Issue : 6  |  Page : 618-621

Bacteriological analysis of drinking water in relation to diarrheic illness in and around Khammam

Department of Microbiology, Mamata Medical College, Khammam, Andhra Pradesh, India

Correspondence Address:
Basavaraju Anuradha
H. No: 11-4-74, Nehru Nagar, Khammam - 507 002, Andhra Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1755-6783.140222

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Background: Drinking water is a major source of microbial pathogens in developing regions although, poor sanitation and food sources are integral to enteric pathogen exposure. Poor water quality, sanitation and hygiene are responsible for the majority of deaths a year world-wide and mainly through infectious diarrhea. Objectives: The objectives of this study were to evaluate the bacteriological quality of drinking water at the source and point of use, to analyze the relationship between the presence of bacteria in water and diarrheic illness. Materials and Methods: A cross-sectional study was conducted on 100 water samples collected from various sources-bore wells, municipal tap waters, wells, and mineral water plants and also from storage containers in the house. Simultaneously, stool samples were also collected from households and processed. Results: Out of 100 water samples majority of them were consuming municipal water 16 (32%), followed by mineral water 14 (28%). For storage majority of them were using the candle filter 17 (34%), followed by steel containers 13 (26%). Escherichia coli was isolated in candle filters in the majority of cases 10 (29.4%), Enterobacter isolated in steel containers 6 (23%). Only in 50% diarrheal cases similar bacteria were observed both in water and stool samples. Conclusion: Water has become non-potable after storage due to various hygienic practices. Water may get contaminated at various levels, which is responsible for diarrheic illness. Safe water is essential for health. An efficient and well-maintained distribution system coupled with good hygienic practices would ensure that water is safe at the point of collection and before consumption.

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