BACTERIOLOGICAL EXAMINATION ON IKEJI RIVER FOR IMPLICATIONS ON PUBLIC HEALTH
Abstract
The bacteriological quality of surface waters is critical for public health, especially in communities reliant on rivers for domestic use. This study assessed the bacteriological profile of the Ikeji River in Ikeji-Arakeji, Nigeria, to identify microbial contaminants and their public health implications. Water samples were collected from upstream, midstream, and downstream points and analyzed using heterotrophic plate counts, Gram staining, and biochemical tests (e.g., coagulase, oxidase, citrate). Results revealed elevated bacterial counts (2.4 × 10⁴ to 1.15 × 10⁵ CFU/mL), exceeding WHO standards. Isolates included Enterococcus spp. (a fecal indicator), Staphylococcus spp., and Micrococcus spp., suggesting contamination from human and environmental sources. Antibiotic resistance was observed for ampicillin and metronidazole. These findings underscore the need for community education, improved sanitation, and periodic water quality monitoring to mitigate health risks associated with contaminated river water.
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