Water from borehole source can be contaminated due to indiscriminate waste disposal. This pilot study was conducted to assess the bacteriological quality of water from five (5) hand-pump-fitted borehole sources present in Sabon Gari quarters in Ringim Local Government Area of Jigawa State. Presumptive, confirmed and completed tests were employed to determine total and faecal coliforms from the water samples using most probable number (MPN) technique. Bacterial isolates were identified by standard microbiologicalmethods. Results obtained indicate that all the water samples across all the dilution strengths tested recorded substantial growth of total coliforms at 37.3°C while faecal coliforms were observed at 44°C after incubation for 48 h. Using the MPN table, the five water samples assayed recorded 50 MPN/100mL, 14 MPN/100mL, 3 MPN/100mL, 5 MPN/100mL and 1 MPN/100mL. Results were also positive for gas and acid production in all samples collected characteristic of presence of E. coli. The results obtained in this study show bacterial contamination of the water from the boreholes which may constitute a public health risk. It is therefore recommended that the water pumped from these boreholes should be subjected to adequate treatment to meet World Health Organization (WHO) required standard for potable water meant for drinking. Keywords: Boreholes, hand pump, most probable number, total coliforms and faecal coliforms.
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