Chloramines: A Better Way?

by Howard Smallowitz, Asst. Ed.; Civil Engineering—ASCE, 345 E. 47th St., New York, NY, 10017,

Serial Information: Civil Engineering—ASCE, 1986, Vol. 56, Issue 4, Pg. 50-51

Document Type: Feature article


Chlorination of drinking water has been linked to the formation of carcinogenic trihalomethanes (THMs). By adding ammonia to the water, the chlorine becomes chloramines which don't form THMs. But chloramines may have problems of their own. They are less effective as a disinfectant than free chlorine, and may also have health hazards. On the positive side, chloramines are inexpensive to implement and operate.

Subject Headings: Trihalomethanes | Chlorine | Health hazards | Drinking water | Ammonia | Disinfection

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