Water quality hazard assessment for hand dug wells in Rafin Zurfi, Bauchi State, Nigeria

A.H. Jagaba, S.R.M. Kutty, G. Hayder, L. Baloo, S. Abubakar, A.A.S. Ghaleb, I.M. Lawal, A. Noor, I. Umaru, N.M.Y. Almahbashi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The Nigeria Centre for Disease Control recently reported an outbreak of yellow fever in Bauchi state. To strategize mitigation measures, an investigation into water sources became necessary. This study adopted Water Quality Index (WQI), Target Hazard Quotient (THQ) and Hazard Index (HI) approaches to evaluate water quality from hand-dug wells within Rafin Zurfi area, Bauchi State. The specific objectives were; sample characterization, statistical analysis by SPSS, and determination of health risk analysis by WQI. Water from Hand-dug wells were examined using standard methods of the American Public Health Association (APHA). Experimental results proved that pH values of samples are adequate according to NSDWQ, while samples E and L exceeded the WHO permissible limits. Turbidity, Total hardness, TSS, EC, BOD, Ca, SO42−, Cl, Cu and Zn measurements were all within permissible limits. The analytical results were taken in to Geographic Information Systems environment (GIS) to generate numerical spatial variation maps for parameters examined and show the health risk associated to heavy metals. HI values for adults and children were found to be 4.365119 × 10−3 and 5.180528 × 10−3, respectively. Therefore, the study concludes that, there is no significant danger of metal toxicity from the sample wells (since HI < 1).

Original languageEnglish
Pages (from-to)983-999
Number of pages17
JournalAin Shams Engineering Journal
Volume11
Issue number4
Early online date19 Mar 2020
DOIs
Publication statusPublished - 31 Dec 2020

Keywords

  • geographic information systemsenvironment (GIS)
  • hand-dug wells
  • hazard index
  • heavy metals
  • Rafin Zurfi area
  • water quality index

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