Impacts of Artisanal Gold Mining on Water Quality: A Case Study of Tangandougou Commune in Sikasso Region, Mali
Journal Title: Journal of Environmental Health and Sustainable Development - Year 2018, Vol 3, Issue 4
Abstract
Introduction: Unsustainable natural resources utilization is on the increase in the developing countries thus the ability of many local communities to meet their basic needs including food, water and shelter is jeopardized. Uncontrolled gold-mining in Sikasso region is one such an anthropogenic activity that is of great environmental concern to the local and national governments of Mali owing to its potential impacts on water quality, human health and environment. This study was conceived to assess the impacts of artisanal gold mining on water quality in Tangandougou in Sikasso region of Mali. Materials and Methods: In this descriptive study, water samples were collected, processed and analyzed for heavy metals (Lead, Cadmium and Arsenic) according to APHA protocols. Measurements of physical parameters of water quality were done according to APHA protocols. Data were analyzed using both descriptive and inferential statistics. Results: There were no significant spatial differences in physical and chemical parameters (pH, Temperature, Conductivity, Total Dissolved Solids and Salinity) of water quality amongst the sampling sites. However, the heavy metals concentrations in the sampled water exceeded WHO drinking water quality guidelines. Conclusion: It was concluded that the water of Sankarani River and its tributaries is contaminated and may cause adverse effects on human health due to biomagnification and the bioaccumulative nature of heavy metals. Therefore, the study recommends continuous monitoring of the water quality in all water sources adjacent to gold-mining areas to protect human and environmental health.
Authors and Affiliations
Mahamadou Moussa Keita, George Morara Ogendi, Wycliff N. Nyamao
Keywords
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