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African Health Sciences
Makerere University Medical School
ISSN: 1680-6905
EISSN: 1680-6905
Vol. 9, No. 4, 2009, pp. 227-233
Bioline Code: hs09057
Full paper language: English
Document type: Research Article
Document available free of charge

African Health Sciences, Vol. 9, No. 4, 2009, pp. 227-233

 en Geographical mapping of fluoride levels in drinking water sources in Nigeria
Akpata, ES; Danfillo, IS; Otoh, EC & Mafeni, JO


Background: Knowledge of fluoride levels in drinking water is of importance in dental public health, yet this information is lacking, at national level, in Nigeria. Objective: To map out fluoride levels in drinking water sources in Nigeria.
Materials and Methods: Fluoride levels in drinking water sources from 109 randomly selected Local Government Areas (LGAs) in the 6 Nigerian geopolitical zones were determined. From the results, maps showing LGAs with fluoride concentrations exceeding 0.3 ppm, were drawn. ANOVA and t- test were used to determine the significance of the differences between the fluoride levels in the drinking water sources.
Results: Fluoride levels were low in most parts of the country, being 0.3 ppm or less in 62% of the LGAs. Fluoride concentrations were generally higher in North Central geopolitical zone, than the other zones in the country (p<0.05). In a few drinking water sources, fluoride concentrations exceeded 1.5 ppm, but was as high as 6.7 ppm in one well. Only 9% of the water sources were from waterworks.
Conclusion: Most of the water sources in Nigeria contained low fluoride levels; but few had excessive concentrations and need to be partially defluoridated, or else alternative sources of drinking water provided for the community.

Fluoride, drinking water, mapping, Nigeria

© Copyright 2009 - Makerere Medical School, Uganda

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