Abstract
Leaching emanating from municipal solid waste dumpsite is one of the major causes of soil and groundwater contamination. This study was conducted to determine the extent to which the open dumpsite in New Georgia, Liberia has impacted soil and groundwater quality in the vicinity and recommend strategy to reduce those impacts where quality issues are critical.
Highlights
The large-scale generation of municipal solid waste and its inadequate disposal and management are global issues that hinder the progress towards environmental sustainability and pose several challenges to modern societies [1]
Soil and groundwater samples were collected during the rainy and dry seasons at various locations in the study area and analyzed for a collection of physicochemical and microbial parameters Results from the study are compared against the World Health Organization (WHO) standard and presented in tables and figures
All the samples recorded pH values in the acidic range for both sampling periods and showed a decreasing trend from dry season to rainy season in the soil samples. This implied that the alkalinity and acidity of soil quality in the study area can be attributed to the activities of the dumpsite
Summary
The large-scale generation of municipal solid waste and its inadequate disposal and management are global issues that hinder the progress towards environmental sustainability and pose several challenges to modern societies [1]. The dumping of untreated waste in open dumpsite has become a major practice for municipal solid wastes disposal [4]. Open dumpsite has been considered as one of the major sources of soil contamination and subsequently groundwater pollution. According to research [5,6,7], the emanation of leachate containing organic and inorganic matters and heavy metals from an open dumpsite can infiltrate subsurface and subsequently pollutes groundwater. The level of a consequent pollution depends on the concentration and toxicity of the contaminants, depth of watertable, and direction of groundwater flow
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