The public water supply system of the city of Rosenberg is temporarily changing the disinfectant used in the distribution system

ROSENBERG, Texas (KTRK) – The City of Rosenberg announced that its public water system will temporarily switch the sanitizer used in the distribution system from chloramine to free chlorine June 6-26.

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According to a press release, the city said residents may experience taste and smell changes related to the temporary disinfectant switch.

Chloramine, free chlorine combined with ammonia, is commonly used as a disinfectant because it persists for long periods of time while limiting the build-up of contamination from disinfection byproducts, the press release said.

Officials said prolonged use of chloramine combined with other factors such as high temperatures or water stagnation could lead to the growth and persistence of organic matter in distribution system pipes, which could affect the ability to maintain an adequate disinfectant residue. A temporary switch to free chlorine in conjunction with flushing activities will help rid the headers of this organic matter and improve overall water quality.

Even though customers notice a slight taste or smell of chlorine in the tap water, Rosenberg officials said it’s safe to drink and use for cooking, bathing and other everyday purposes.

During this time, Rosenberg officials will take samples and test the water to monitor the effectiveness of the temporary change. Once the free chlorine disinfection process is complete, city officials said they would return to chloramine disinfection.

The press release states that the temporary modification to the treatment process will be conducted in accordance with state and federal drinking water regulations.

The Texas Commission on Environmental Quality, which regulates water quality, has approved this method for routine maintenance of potable water distribution systems.

City officials said users of home-use dialysis machines, tropical fish aquarium owners and managers of shops and restaurants with fish and shellfish tanks are cautioned that testing and removal of free residual chlorine differs from that used for residual chloramine.

If not managed appropriately, Rosenberg officials said, both types of residue could affect kidney dialysis machine users, as well as fish and other aquatic animals.

Copyright © 2022 KTRK-TV. All rights reserved. The public water supply system of the city of Rosenberg is temporarily changing the disinfectant used in the distribution system

Dais Johnston

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