Evaluation of groundwater and surface water quality and human risk assessment for trace metals in human settlements around the Bosomtwe Crater Lake in Ghana

Geogenic and anthropogenic activities introduce certain metals into the environment which tend to deteriorate the quality of both surface and groundwater in the Bosomtwe Crater Lake and its surroundings. In this study spatio-temporal variations in concentrations and risk assessment of selected trace...

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Bibliographic Details
Published in:SpringerPlus 2016-10, Vol.5 (1), p.1812, Article 1812
Main Authors: Asare-Donkor, Noah Kyame, Boadu, Thomas Asare, Adimado, Anthony Apeke
Format: Article
Language:English
Subjects:
Earth and Environmental Sciences
Humanities and Social Sciences
multidisciplinary
Science
Science (multidisciplinary)
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Summary:Geogenic and anthropogenic activities introduce certain metals into the environment which tend to deteriorate the quality of both surface and groundwater in the Bosomtwe Crater Lake and its surroundings. In this study spatio-temporal variations in concentrations and risk assessment of selected trace metals (As, Fe, Pb, Zn, Cr, Cd and Ni) were investigated during the wet and dry seasons for surface and groundwater in selected human settlements around the lake. The levels of As, Cd and Ni were generally small and were below the detection limit of the instrument. The results showed no significant seasonal variations in the mean levels of Pb, Fe, Zn and Cr in water from the Bosomtwe Crater Lake. The hazard quotients and health hazard indices through ingestion and dermal contact of lake and groundwater in towns around the lake for both adults and children gave values which were below the acceptable limit of less than unity (
ISSN:2193-1801
2193-1801
DOI:10.1186/s40064-016-3462-0