NEW RESISTANT BACTERIUM. “This study describes the identification and characterization of a new chlorine resistant bacterium, Sphingomonas TS001, isolated from a model drinking water distribution system.” One of many.
http://www.researchgate.net/publication/236642240_Characterization_and_identification_of_a_chlorine-resistant_bacterium_Sphingomonas_TS001_from_a_model_drinking_water_distribution_system