Drinking Water Requirements for States and Public Water Systems

Basic Information about Chloramines and Drinking Water Disinfection

Chloramines are disinfectants used to treat drinking water. Chloramines are most commonly formed when ammonia is added to chlorine to treat drinking water. Chloramines provide longer-lasting disinfection as the water moves through pipes to consumers. This type of disinfection is known as secondary disinfection.

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