jefftk comments on How bad is chlorinated water?

[jefftk]

Thanks! I was probably overgeneralizing from my local treatment plant:

MWRA uses ozone and ultaviolet light (UV) to kill any harmful bacteria at the CWTP in Marlborough. … To protect the water as it travels through the miles of pipe to get to your house, MWRA uses a mild disinfectant called mono-chloramine