Damietta harbor as all harbor suffer from water pollution due to ship fuel leakage and surrounding urban area waste disposal in form of solid or sewage. All these point sources of pollution contribute in threatening of aquamarine life environment by adding organic or non-organic matter pollutant and pathogens to water. This situation will lead to the fact that marine water is no longer a healthy place for aquamarine life which will be reflected in people health especially harbor labors who  are feeding on such sea foods. When people health is negatively affected by such pollutant sea foods it will be appeared in form of less ability of work and long time or short time diseases. For this reasons this study was achieved in order to find the relation between pollutants different elements and cargo operation inside harbor place in form of scatters charts which will help us to more understanding of  factors that effect on harbor cargo circulation. Also a Monitoring system and a group of recommendation were constructed in the end of this study in order to avoid such circumstance which affect on harbor performance and its economy.