The research addressed the competitive relationship between chlorine and bromine as halogens and oxidized elements, where these properties were used to study health implications when this competition occurs during the process of sterilizing water for safe and safe drinking water through the formation of dangerous and carcinogenic side compounds such as Chloroform, one of the compound of the( tri Halomethan) Group (THM), di Chloracitic acid and Tri Chloro acitic acid, two compounds located within the dangerous Halo acitic acide group as well as bromates, where it was found that there was replacement occurring Between chlorine and bromine depending on temperature, acid function(PH) as well as total organic carbon(TOC) and bromide ion(Br-) concentration.