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Correspondence to Author: ¹ kalidou Ba, ¹ el Hadji Moussa Diop, ¹ alpha Ousmane Toure, ² cheikh Ahmadou Bamba Niang, ³ diery Diouf, ¹ malick Mbengue. 

1. Laboratoire Eau, Energie, Environnement et Procédés Industriels (LE3PI), Ecole Supérieure Polytechnique (ESP)/Université Cheikh Anta DIOP.
2. Institut Fondamental d’Afrique Noir, IFAN/Université Cheikh Anta DIOP.
3. Faculté des Sciences et Technique/Université Cheikh Anta DIOP

DOI: 10.52338/jows.2026.5404

Abstract:

The objective of this study was to analyse the impact of bottled water sold in the Dakar region on the health of the population. Sampling was carried out in six (06) areas, namely Grand-Mbao, Keur Massar, Rufisque, Poste Thiaroye, Colobane and Fann. The samples were analysed for physicochemical parameters such as pH, electrical conductivity, total dissolved solids (TDS), nitrites, total alkalinity (TA) and microbiological parameters such as total aerobic mesophilic flora (TAMF) and total coliforms. A statistical analysis was also performed using the ascending hierarchical classification (AHC) methodology to determine the levels of similarity between the different water samples. The results showed that samples 3, 4, 5 and 6 had a slightly alkaline pH between 8.03 and 8.28, exceeding the standards set by the WHO. However, dissolved solids, conductivity, nitrites, TAC and DT were compliant for all samples. Microbiological analysis revealed that sample 2 was contaminated with E. coli at a concentration of 7 CFU/mL, and samples 2 and 4 had an uncountable microbial population exceeding 300 colony-forming units (CFU)

Keywords: Packaged water, quality control, ascending hierarchical classification.

Citation:

Dr. kalidou Ba, Assessment Of The Physical, Chemical And Bacteriological Properties Of Bottled Water In Six (06) Regions Of Dakar. Journal of Water Science 2026.