dc.description.abstract | The groundwater mapping procedure that was employed in this research is a process which
was done basically to delineate flow direction, identify possible recharge and discharge areas
and generate groundwater maps that will provide useful information on its use and
sustainability. A study was carried out at Jui and Allen Town Community, located in the
eastern part of Freetown using the global positioning system (GPS) and a Dipmeter to
determine the groundwater flow pattern of the area. The longitudes, latitudes and elevations
of fifty (50) hand dug wells or borehole locations distributed within the study area were
measured and recorded. The depths to the water level in the hand-dug wells were measured
directly with the aid of a Dipmeter. A computer based software package known as Surfer was
used to generate a water elevation contour map of the study area which revealed that
groundwater flow direction is from the West to the Eastern part of the area. It is therefore
recommended that dumpsites should be sited within the south or south-eastern part of the area
while boreholes for potable groundwater exploitation could be sited in the north, east and
western regions in order to minimize groundwater contamination. From the results obtained
in this study in relationto flow direction and its implication regarding the vulnerability of
groundwater to pollution, it can be seen that the east and south-eastern parts of the area or
aquifer is more susceptible to pollution. Therefore, communities within the North, West and
Southern regions of Jui and Allen Town Community should take steps to ensure that land use
activities will not pose a threat on the quality of groundwater. The present study act as a
guide for future groundwater exploration, hence the information will be useful to both the
Government of Sierra Leone and other individuals particularly those in water industries in
sinking and maintaining boreholes for optimum groundwater exploitation. | en_US |