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Physicochemical and microbiological analysis of borehole water in Ihiagwa Local Government Area of Imo State, Nigeria

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Osuji A. C., Izunobi L., Iheme O. U.
World News of Natural Sciences
|
2024
|
vol. 57
300-309
EN
The bacteriological and physicochemical properties of 3 samples of borehole water collected from the Federal University of Technology hostels at Ihiagwa in Imo state were determined and contrasted with the WHO permissible limit. The study results indicated the presence of TCC and TTCC at 37 °C and 45 °C respectively. The values of TCC and TTCC in all the samples exceeded the WHO limit (0.00E+00± 0.00E+00). However, the value of TFCC in all the samples met the WHO standard. The means separation achieved using Turkey HSD showed that the means of TCC and TTCC of sample C were significantly different from those of samples A and B statistically at 5%. The physicochemical parameters showed that the samples were slightly acidic. They fell outside the acceptable pH limits by WHO and NIS (6.5 – 8.5). The study also showed that turbidity and total suspended solids (TSS) were not detected in any of the samples analyzed. Total dissolved solids were generally low across all the samples and fell within the WHO-approved standard limits of 500 mg/l. This shows that the borehole water in the area was quite fresh in the locations. The electrical conductivity (EC) for all samples fell within the permissible limit of 500 µS/cm set by WHO. From the analysis, it was observed that the electrical conductivity of the samples increased with increasing total dissolved solids. The study concluded that borehole water sources in the study area were polluted and unsafe for human consumption. The study recommended that water quality analysis should be carried out on all the boreholes in the hostels regularly. This will ensure that incidences of contamination are noticed earlier for remedial action to be taken, to minimize acute problems of water-related diseases, which are endemic to human health.
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