Socio-Environmental Effects of Nigerian National Petroleum Corporation Depot, Apata, Ibadan on the Adjoining Neighbourhoods

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Olayide Josiah Omirin
Olusegun Joseph Falola


Nigeria, one of the major crude oil producing countries in the world, transports petroleum products through pipelines to several oil depots located across the country from where it is trucked to end users. Activities within these depots are known to have impact on their immediate environment due to the nature of operations and the externalities generated. This paper therefore examined the socio-environmental effects of the Nigerian National Petroleum Depot, Apata, Ibadan on its immediate neighbourhood. A case study approach utilising primary and secondary data collection was adopted in which 205 residential buildings and respondents were proportionally selected for sampling from four neighbourhoods within 500 metres radius of the facility. An environmental audit including ground water samples were randomly collected for testing and analysis from Adebisi stream and residential hand-dug wells. Findings revealed local access road incapacitation emanating from indiscriminate parking of fuel tankers and spiralling into constant traffic congestion on major roads. Desludging of fuel storage tanks (79.5%) resulting into regular effluent discharge into the Adebisi stream and fume emission (62.6%), were attested to by residents. Water quality analysis revealed a high concentration of lead (pb.0.06mg/l) above the maximum permissible limit of (0.01mg/l) for potable water. Other detected metals, Cadmium (0.003mg/l), Copper (0.006mg/l) and Zinc (3.0 mg/l) were all within the appropriate recommended limits. The study recommended a periodic environmental audit and regular dialogue with stakeholders of the host communities for socio-environmental sustainability.

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