ASSESSMENT OF SALMONELLA CONTAMINATION IN GROUNDWATER FROM GADAU METROPOLIS, BAUCHI STATE, NIGERIA: PREVALENCE AND POTENTIAL RISK FACTORS
Keywords:
Biochemical, , Microbiological , Salmonella, Microorganisms , TurbidityAbstract
ABSTRACT
Background
Groundwater constitutes approximately 30% of the world's freshwater supply, accounting for 0.76% of the planet's total water resources. The metabolic versatility of bacteria plays a crucial role in groundwater activities, with both beneficial and disease-causing microorganisms present.
Objectives
This study aims to investigate the presence of Salmonella in groundwater sources in Gadau metropolis.
Methods
Water samples (100 mL each) were aseptically collected and analyzed for pH, phosphate, turbidity, Total Dissolved Solids (TDS), and hardness/softness. Microbiological and biochemical assays were also conducted on the isolate.
Results
The results revealed the presence of unaidentified aerobic mesophilic bacteria and coliforms in tap water from six locations. The highest aerobic bacteria count (5.37 ± 0.29 x 10^2 cfu/ml) was observed in Malamawa, while the lowest count was recorded in Tsangaya (4.38 ± 0.29 x 10^2 cfu/ml). Salmonella spp was isolated from three locations: New Villa, Malamawa, and Unguwan Kasa. Significant variations in conductivity, pH, turbidity, temperature, dissolved oxygen, biological oxygen demand, sulfate, phosphate, total dissolved solids, and nitrate concentrations were found across the six locations.
Conclusion
This study highlights the importance of monitoring groundwater quality to prevent the spread of waterborne diseases. The presence of Salmonella in three locations underscores the need for regular water testing and treatment to ensure safe drinking water.
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Data available if needed
