Frequent Questions

What has EPA established as the Best Available Technology (BAT) available for compliance with the maximum residual disinfectant levels (MRDLs) for chlorine, chloramines, and chlorine dioxide?

EPA has identified the following as the BAT to achieve compliance with the MRDLs for chlorine, chloramines, and chlorine dioxide: (1) control of treatment processes to reduce the disinfectant demand, and (2) control of disinfection treatment processes to reduce disinfectant levels (141.65(c)).
Have more questions? Submit a request