Abstract
This research appraises in partial the environmental engineering effects of open dumpsite with peripheral study of the dumpsite at km 3 Aba-Enugu Expressway in Abia State southeast of Nigeria. The investigation includes visual assessment, interviews / questionnaires results, and analysis. The study reveals that the waste dump serves as a sink to many parts of Aba metropolis being one of the biggest dumpsites in Abia state. The sand value of 47.7% obtained from the study agrees with existing literature/hydrogeology of the area. Results proved that the ground water is safe as samples display quality, which are below the Nigerian standards for drinking water quality limit. These values also fall below the World Health Organization (WHO) water quality limit so the residents around do not stand any health risk at the moment. However, increasing concentration of pollutants indicates that the Soil and probably the potential drinking water source may be contaminated with time, supporting existing study. Therefore, this research recommends a well-engineered waste management plan alongside Extended Producer Responsibility (EPR) cradle-to-grave approach to management of open dumpsite.
Highlights
Solid wastes can be defined as non-liquid and nongaseous products of human activities, regarded as being useless [1]
As humans get informed about the consequences and effects of open dump sites, it became obvious that more needs to be done to remedy reduced crop/plant yield, increased probability of erosion amongst others that could result from inefficient/ineffective waste management system
Water as a universal solvent dissolves some locked up elements as it seeps through the waste, accelerating the decomposition of the degradable substance within the dump
Summary
Solid wastes can be defined as non-liquid and nongaseous products of human activities, regarded as being useless [1]. As the density of people in urban area increased, so did activities, the end result is more waste generation with associated technological and commercial harmful effects to both land and water bodies. The volume of research work on open dump and its consequences is a sure indicator that waste dumps have over the years gained the attention of man, perhaps because of related pollution and resource depletion accompanying their existence. When rain falls, it filters through the pile of waste known as refuse or garbage dissolving nutrients and any soluble substance, some of which are harmful to life leaching them out. In some quarters lining the dumpsite and pushing for controlled waste burning have been employed yet a wellengineered system where wealth can be harness from the system, pollutants contained and drained out for treatment with robust Extended Producer Responsibility approach as an alternative method of waste management is essential
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