Chlorine water treatment to end
The Washington Aqueduct water treatment plants will return Tuesday to using chloramine -- chlorine plus ammonia -- to disinfect water.
The aqueduct had been using chlorine -- a temporary measure to keep water mains clean and free of harmful bacteria -- since February.
The Washington Aqueduct treats and provides water to D.C., Arlington and the City of Falls Church.
Customers may continue to notice a chlorine taste and odor in the water for about a week after the switch. Officials said the taste may be reduced by refrigerating a pitcher of drinking water overnight.
Washington Post editors
| May 14, 2010; 4:08 PM ET
Tags: Chlorine, Disinfectant, Drinking water, Washington Aqueduct, Water purification
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