BACTERIOLOGICAL EXAMINATION OF SACHET WATER SOLD IN WUSHISHI

Student: Hannah Samuel
Supervisor: Dr Ibrahim Abdullahi
HOD: Mr Amos Tsado
Department of Microbiology
Natural and Applied Sciences
Niger State Polytechnic, Zungeru, Niger State

Abstract

Background of the Study Packaged sachet water is an alternative source of drinking water in Nigeria, hence the need to regularly assess their microbial quality. One hundred and fifty three sachet water samples from fifty one different brands collected from different locations in Niger State Wushishi Local Government were examined for their total heterotrophic bacteria count and total coliform count. Total heterotrophic plate count (THPC), and total coliform count (TCC) were carried out using standard culture media incubated at 37 Cfor 24 hours. The mean total heterotrophic bacteria count ranged from 0 –log 7.21 CFU/100ml and mean total10 coliform count ranged from 0- log 6.82 CFU/100ml. Identified bacteria isolates, Pseudomonas aeruginosa, Proteus10 mirabilis, Klebsiella oxytoca, Citrobacter freundii, Bacillus subtilis, Enterobacter spp, Serratia marcescen

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