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PHYSICOCHEMICAL AND MICROBIAL ANALYSIS OF BOREHOLE WATER IN HOSPITALS AROUND BENIN CITY, NIGERIA


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  • M.K. ORDIA Department of Microbiology, Faculty of Life Sciences, University of Benin, PMB 1154, Benin City, Edo State, Nigeria.
  • J.Z. SAIDU Department of Microbiology, Faculty of Life Sciences, University of Benin, PMB 1154, Benin City, Edo State, Nigeria.
Keywords: Bacteria, Benin City, Borehole water, Hospitals, Physicochemical analysis

Abstract

Ground water is known to be the major source of water in many hospitals, extracted through domestic boreholes for public and private usage. This study was carried out to access the physicochemical and bacteriological quality of borehole water in some hospitals in Benin City. Borehole water samples were collected from three different hospitals (Hospital A, Hospital B and Hospital C) around Benin City, Edo State into sterile plastic containers to avoid additional contamination before being taken to the laboratory for physicochemical and bacteriological assessment. The results showed the presence of microorganisms in the water samples. The highest bacteria heterotrophic counts were seen in hospital C (81.0±0.5), while the lowest was observed in hospital B (7.0±0.5). The probable identified bacterial isolates were Salmonella sp., Staphylococcus sp., Pseudomonas sp., Bacillus sp., Shigella sp., Klebsiella sp. and Escherichia coli. The Physicochemical analysis revealed that the highest pH value (6.06±0.33) was observed in water from hospital A, total suspended solids (1.30±0.08 mg/ml), turbidity (2.73±0.11 NTU), nitrate (1.05±0.05 mg/ml), phosphate (0.23±0.00 mg/ml), sulfate (1.84 mg/ml), biological oxygen demand (0.03±0.01 mg/ml) and chemical oxygen demand (0.81±0.09 mg/ml) were also recorded. No heavy metals were found from the water samples within the three hospitals. This study revealed the occurrence of microorganisms, hence the need for water treatment in hospitals. Environmental agencies should also ensure compliance with relevant standards to avoid risks to human health.


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Published
2023-06-30
How to Cite
ORDIA, M., & SAIDU, J. (2023). PHYSICOCHEMICAL AND MICROBIAL ANALYSIS OF BOREHOLE WATER IN HOSPITALS AROUND BENIN CITY, NIGERIA. African Journal of Health, Safety and Environment, 4(1), 141-146. https://doi.org/10.52417/ajhse.v4i1.453