Recently, a small public water system in Florida wanted to begin using chloramine disinfection for its distribution system. The system had experienced a violation of the EPA disinfection byproducts rule: It had recorded a trihalomethane (THM) level of 197 ppb.
System leaders asked for information about chloramination so that they could change to chloramine secondary disinfection as seamlessly as possible. We forwarded the information and explained to the operators that chloramines were an excellent way to provide a disinfecting residual in distribution systems where disinfection byproduct (DBP) formation is a concern, or
