Assessment of Physicochemical and Bacteriological Quality of Government Intervention Borehole Water in Ipetu-Ijesa, Osun State

Authors

  • Ibukun Modupe Adesiyan
    Department of Environmental & Occupational Health, University of Medical Sciences, Ondo, Nigeria
    https://orcid.org/0000-0003-4127-7236
  • Oluwatoyin Olaoluwa Ajimuda
    Department of Environmental & Occupational Health, University of Medical Sciences, Ondo, Nigeria
  • Yetunde Feruke-Bello
    Department of Microbiology, University of Ilesha, Osun State, Nigeria
  • Oluwaseun Emmanuel Odipe
    Department of Environmental & Occupational Health, University of Medical Sciences, Ondo, Nigeria
  • Taiwo Adekanmi Adesakin
    Department of Zoology, Ahmadu Bello University, Zaria, Nigeria

Keywords:

Coliform , physicochemical , boreholes , water quality , bacteria

Abstract

Access to clean and safe drinking water remains a significant public health concern in Nigeria, where millions lack improved water sources. This study assessed the physicochemical and bacteriological quality of water from selected government intervention boreholes in Ipetu-Ijesa, Osun State. Water samples were collected from five boreholes and analysed for parameters including pH, electrical conductivity, turbidity, total dissolved solids (TDS), dissolved oxygen (DO), nitrate levels, salinity, and microbial contamination (total coliform and Escherichia coli counts). The results indicated that most physicochemical parameters fell within the permissible limits set by the World Health Organisation (WHO) and Nigerian Standards for Drinking Water Quality (NSDWQ). However, turbidity and total coliform counts exceeded safe limits in some locations. Total coliform counts ranged from 2.0 to 14.0 cfu/100 mL with a mean value of 7.0 cfu/100 mL. Borehole D (Oko Owo) exhibited the lowest contamination levels, while Borehole C (Bamikemo) recorded the highest total coliform count. No faecal coliforms were detected in the examined samples. Boreholes A, B, and C exhibited elevated conductivity, TDS, and temperature, suggesting potential contamination from environmental and anthropogenic sources. Borehole D had slightly acidic water, indicating possible metal leaching. Principal Component Analysis (PCA) revealed strong correlations between conductivity, TDS, and temperature, highlighting potential underground contamination sources. Although the physicochemical characteristics and total coliform counts were mostly within permissible limits, deviations in some boreholes suggest the need for continuous monitoring and quality assessment to ensure safe drinking water.

Author Biography

Ibukun Modupe Adesiyan

Senior Lecturer

Department of Environmental and Occupational Health, University of Medical Sciences, Ondo, Nigeria

 

Dimensions

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Published

2025-05-18

How to Cite

Assessment of Physicochemical and Bacteriological Quality of Government Intervention Borehole Water in Ipetu-Ijesa, Osun State. (2025). Lafia Journal of Scientific and Industrial Research, 3(2), 34-40. https://doi.org/10.62050/ljsir2025.v3n2.526

Issue

Volume 3, Issue 2 (October, 2025), Lafia Journal of Scientific and Industrial Research (LJSIR)

Section

Life Sciences
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Copyright (c) 2025 Lafia Journal of Scientific and Industrial Research

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This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

How to Cite

Assessment of Physicochemical and Bacteriological Quality of Government Intervention Borehole Water in Ipetu-Ijesa, Osun State. (2025). Lafia Journal of Scientific and Industrial Research, 3(2), 34-40. https://doi.org/10.62050/ljsir2025.v3n2.526

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