Comparative Assessment of Heavy Metals Pollution in Surface Water in Ikoli River and Epie Creek in Yenagoa Metropolis Using Geographical Information System

The article is the investigation of heavy metals pollution on surface waterin Ikoli River and Epie creek in Yenagoa, metropolis, Bayelsa State. Pb,Cd, Ni, Cr, Fe, Zn was determined evaluated using GeographicalInformation System. Zinc concentration below permissible limitof 3 mg/L all locations sampled. Iron 77.78% limit ofWHO 2011 0.3 while other examined Riverand are highly polluted. index for contaminationindex shows 11.11% sample high 88.89% low theevaluation metal load heavymetals contain 22.11% whichimply Multivariate treatment ofthe result revealed a good correlation between PCA HCA, whichshowed activities natural processes man influenced environmentalsources which were mainly products automobilesexhaust, water tank leakages as well dumping radioactive wastes andburning. study investigated successfully potential use GIS withthe help multiple criteria decision analysis to predict characterizeareas pollution, medium, area.