Comparison of Total Viable Bacteria Counts and in situ Characteristics in Drinking Water Sources in Sagbama Town, Bayelsa State, Nigeria
Esther Benafegha Enaregha, Theresa Romanus Omotete, Sylvester Chibueze Izah, Tamaraukepreye Catherine Odubo
International Journal of Pathogen Research · pp. 79–87 · Published 31 Dec 2022
10.9734/ijpr/2022/v11i3-4214Abstract
Before the 21st century, most of Nigeria's rural and coastal communities obtained their drinking water from surface water sources. However, due to development, many coastal towns now get their drinking water from underground sources. Nevertheless, surface water remains a crucial source of drinking water in communities where groundwater is inaccessible. This study evaluated the density of total heterotrophic bacteria and in situ characteristics of drinking water sources in Sagbama town in the Sagbama Local Government Area of Bayelsa State, Nigeria. Triplicate water samples were obtained from five stations for each of the water types (ground and surface water). The water samples were analyzed following standard procedures. The results of ground and surface water ranged from 2.33 to 2.86 (overall mean of 2.52) Log CFU/mL and 2.70 to 3.87 (overall mean of 3.24) Log CFU/mL for total heterotrophic bacteria counts, 7.05 to 7.68 (overall mean 7.40) and 7.06 to 7.31 (overall mean 7.22) for pH, 146.67 to 232.00 (overall mean 169.13) mg/L and 40.23 to 45.60 (overall mean 41.50) mg/L for total dissolved solids, 207.57 to 327.67 (overall mean 239.31)µS/cm and 56.73 to 64.47 (overall mean 58.55) µS/cm for conductivity, and 0.11 ppt and 0.03 ppt (in all the stations) for salinity. The temperatures of both kinds of water were in the range of 26°C. Except for the pH, salinity, and conductivity of groundwater, an analysis of variance reveals no significant differences (p>0.05) across sites for any water type. The overall t-test revealed that all parameters, except pH and temperature, were statistically distinct (p<0.05) between the various water types. According to Pearson’s correlation, conductivity correlates positively with total dissolved solids for both kinds of water. In contrast, salinity correlates positively with conductivity and total dissolved solids for surface water at p< 0.01. Except for total heterotrophic bacteria counts on surfaces, which exceeded World Health Organization standards, other parameters fell within the Standard Organization of Nigeria and World Health Organization guidelines. Therefore, drinking surface water from the research location without first purifying it increases the chance of avoidable ill health consequences.
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Cited by 9
Chidinma Daokoru-Olukole, Daniel Etim Jacob, Sylvester Chibueze Izah · Springer Water · 2026
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