Publications Scientifiques

[ Article ] Study of the Physico-Chemical and Bacteriological Characteristics of Drinking Water in So-Ava, South Benin

Date de soumission: 22-02-2021
Année de Publication: 2018
Document type : Article
Discipline(s) :
Titre Study of the Physico-Chemical and Bacteriological Characteristics of Drinking Water in So-Ava, South Benin
Journal: Journal of Water Resource and Protection
Catégorie Journal: Internationale
Impact factor: 1.31
Volume Journal: 10
Resume The present study assesses the physicochemical and bacteriological quality of the drinking water used by the population of Sô-Ava based on the Beninese standards and those established by the World Health Organization (WHO). In rural and peri-urban areas of Benin where public water supply systems are inadequate or almost non-existent, the population consumes water of various sources of unknown qualities. A total of 67 water samples were analyzed during the rainy season (July 2017) and in the dry season (January 2018) for certain physical, chemical and bacteriological parameters using the standard methods. The results of the analyses reveal that the physicochemical characteristics of the water used for consumption in Sô-Ava comply with the drinking water standards of the World Health Organization and those in force in Benin except for the percentages of the following parameters: pH (41.80%); turbidity (25.37%); the color (16.42); ammonium (17.91%); iron (40.30%); Nitrites (4.48%); Residual chlorine (91.05). Bacteriologically, the analyses showed a high total aerobic mesophilic flora contamination, faecal coliforms, E. coli, faecal enterococci respectively in 89.55%, 82.09%, 50.75% and 70.15% of the analyzed water samples. The ratio of faecal coliforms to faecal enterococci indicated that the origin of faecal contamination was human in 59.7% of the samples and animal in 40.3% of the samples. The adoption of hygiene measures at the water point, during the transport and storage of water, including the treatment by chlorination of drinking water at the family level was recommended for the population concerned and household awareness on the adoption of basic hygiene and sanitation measures have been recommended for hygiene and sanitation services.
Mots clés Drinking Water, Quality, Bacteriology, Pollution, Sô-Ava, Benin
Pages 1031 - 1046

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