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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/12374

Title: Pollution evaluation, sources and risk assessment of heavy metals in hand-dug wells from Ejisu-Juaben Municipality, Ghana
Authors: Boateng, Thomas Kwame
Opoku, Francis
Acquaah, Samuel Osafo
Keywords: Degree of contamination
Heavy metal evaluation index
Hand-dug wells
Heavy metal pollution index
Issue Date: 2015
Publisher: Environmental Systems Research
Citation: Environmental Systems Research
Abstract: Background: Groundwater quality is among the most important environmental issues as a result of heavy metals contamination from anthropogenic sources. Concentrations of heavy metals in hand-dug wells from Ejisu-Juaben Municipality were studied to understand the levels of heavy metals and their source of pollution. Results: The results show that the average abundance of heavy metal concentration in the groundwater samples are in the order: Fe > Zn > Mn > Pb > Cu > Cd. The non-carcinogenic risk indicates that the groundwater is safe and therefore poses no health risks; however, the carcinogenic risk exceeds the acceptable limit of 10−6 . Principal component analysis extracted two components, which explained 64.24 % of the total variance. Cd suggests that 63 % of the samples are highly polluted (Cd > 3), whereas HPI indicates that all the samples are above the critical limit (HPI > 100). Conclusion: Our findings concluded that lithogenic and anthropogenic activities are the main source of contamination influencing the water quality.
Description: This article is published in Environmental Systems Research and also available at DOI 10.1186/s40068-015-0045-y
URI: 10.1186/s40068-015-0045-y
Appears in Collections:College of Science

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