Frequent Questions

Do public water systems need to notify their customers when changing methods of disinfection?

There is no federal requirement to inform the public of a change in disinfectant practice. However, proper preparation for a changeover should include a public notification and education campaign.  This can be especially important when converting from chlorination to chloramination as kidney dialysis patients can be adversely affected if chloramines are not removed from the water.  Public water systems are encouraged to cooperate with and notify state and local health departments, appropriate interest groups, and the media.  (Alternative Disinfectant and Oxidants Guidance Manual, EPA815-R-99-014, April 1999)

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