Advertisement Continue reading the main storyChlorination is commonly done in the more controlled setting of wastewater treatment plants, rather than in sewer pipes flowing directly into waterways. Advertisement Continue reading the main storyA spokesman for the city’s Department of Environmental Protection, Ted Timbers, said there were currently no other approved plans that included chlorination in sewer pipes. He called chlorine “the most widely used disinfectant for water and wastewater treatment in the U.S.” and said the plan had been discussed with the public at neighborhood meetings. PhotoMr. Timbers said New York City had the largest environmentally sustainable infrastructure program in the country and had invested significant amounts of money to build retention tanks and curbside gardens to reduce runoff into sewers. Mr. O’Mullan called it a “Band-Aid” treatment that gives the chlorine limited contact time to disinfect.

Source: New York Times May 01, 2017 23:03 UTC