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Although, groundwater in its natural state is relatively free of contaminants and traditionally regarded as having good natural quality ( MacDonald and Calow, 2009 ). For most of the geological environments this is true but this does not mean that natural groundwater quality is always good. The natural quality can vary from one rock type to another and also within aquifers along groundwater flow paths ( MacDonald and Calow, 2009 ). Concentrations of target substances in the groundwater increase or decrease along the flow path from the upstream to the downstream wells ( Leschik et al ., 2009 ), human activities may consequently pollute this water source overtime and make it unsafe for use without prior treatment. More so, several research findings ( UNICEF, 2008 ; WHO, 2010 ) have revealed a definite correlation between human socio-economic activities and industrialization to pollution patterns/trends of groundwater. Furthermore, it is expected therefore, that as we move from the hub of the city to the suburbs (a shift from one socio-economic stratification to another), it would be expected that the groundwater quality should deviate even slightly. This is further given credence by the UNDESA (2001) in saying that the quality of any body of surface or ground water is a function of either or both natural and human influences. The continued consumption of untreated and possibly contaminated groundwater should be expected to pose short or long term (or even both) health implications to the people.

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