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ABSTRACT
Industrial system involves physical and chemical treatment as well as biological processes. Therefore, waste treatment systems such as the sewage effluents depend on the activities of communities of living organism. In this study, an attempt was made on the identification of the bacterial population involved in different sewage effluents. This study determined the isolation and characterization of bacteria from sewage effluents isolated from student Halls of resident in University of Benin, Ugbowo Campus, Nigeria. Eight water samples cultured and screened for possible microoganisms using standard microbiological protocols and their antibiotic profile susceptibility was investigated using the disc diffusion method according to the Clinical and Laboratory Standards Institute on Mueller Hinton agar. From the result of the research, the microorganisms isolated from the water samples were Klebsiella, Providencia, Escherichia coli and Serratia sp. Escherichia coli had the highest percentage occurrence. The research was done in order to asses the microbial quality of the sewage effluent sample, checking its quality for drinking and commercial purposes. The sewage wastewater, as demonstrated in the current study, supported the growth of Gram negative bacteria. The bacteria isolated are potential to cause human infections and possessed varied antibiotic resistances and MAR indices. Therefore, there is an urgent and imperative need to the regular vigilance of such environmental bacteria of clinical relevance, and to prepare effective guidelines for judicious use of antibiotics in order to tackle the bacterial multiple antibiotic resistances.
