Abstract: The current study included an assessment of the efficiency of the treatment plant of the soft drink factory Pepsi-Akad located in the Babylon city, Iraq. The samples were collected monthly during period from December 2016-May 2017 as three duplicates per sample. They were sampling from two locations before and after treatment plant of the factory. Some physical have been measured which affecting water quality such as temperature, turbidity and electrical conductivity, so, chemicals like pH, salinity, turbidity, chloride, total dissolved solids, total hardness, calcium, magnesium, sulphate, nitrite, nitrate, phosphate and some heavy elements contamination with bacteria also was study. It was noted that the plant was inefficient in treat of most of impunities that their concentrations after treatment were higher than it was before treatment.