Trace metals pollution in seawater and groundwater in the ship breaking area of Sitakund Upazilla, Chittagong, Bangladesh

► Iron and Hg strongly polluted sea water. ► Mn and Al moderately polluted but Cd and Pb slightly polluted the sea water. ► Iron, Pb, and Hg strongly polluted groundwater. ► Mn and Al moderately polluted but As slightly contaminated the groundwater. ► Fe, Mn, Zn, Ni, Cr, Cu, Cd, Pb, As, Al and Hg of sea water exceeded the average concentrations of elements.