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Toxicological evaluation and health implication of private borehole water consumption in satellites towns of Abuja, Nigeria

Author Affiliations

  • 1Department of Experimental Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Port Harcourt, Choba, East West Road, Rivers State, Nigeria
  • 2Department of Health Communications, Society for Family Health, Abuja, Nigeria

Res. J. Recent Sci., Volume 6, Issue (10), Pages 1-9, October,2 (2017)


Heavy metals besides coliforms in water meant for human consumption is of worldwide community health concerns and it renders water vulnerable and unhealthy for drinking. This is a two pronged toxicological study of the chemical and microbiological quality of samples of borehole water collected from several locations across Satellites Towns of the Federal Capital Territory, Abuja, Nigeria for comparison with WHO stipulated standards for drinking water. Ten locations in all the satellites towns scarcely supplied with public pipe-borne water supply were randomly selected and two sampling points per location were investigated. The water samples collected were subjected to elemental and microbiological analysis using standard procedures. The chemical assay indicate the concentration in part per million (ppm) of lead (Pb) ranges from 0.2635 – 3.828; cadmium (Cd) ranges from 0.0094 – 0.0335; magnesium (Mg) ranges range from 0.0029 – 1.3800; and copper (Cu) ranges from 0.0028 – 0.0776. Microbiological assay showed that the water sample with the highest level of total coliform count ranges from 0–460 CFU/ml; further bioassay revealed the presence of Klebsiella pneumonia, Klebsiella planticola, Salmonella arizona, Citrobacter preundi and Escherichia coli. The study opined that the mean concentration of Pb and Cd to be higher than the WHO maximum acceptable limits while Cu and Mg were within limits. This leaded water samples were with confirmed unacceptable levels of coliforms (E. coli). Pollution in microbiological and chemical quality of these borehole water investigated poses grave public health consequences to the water consuming population of the Satellites Towns assessed.


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