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PUC staff recommends continuing chloramine disinfection while monitoring new science as public raises health complaints
Summary
PUC staff and the San Francisco Department of Public Health told the commission their literature review and local testing found no population‑level evidence linking chloramine to reported skin, respiratory or gastrointestinal complaints, and recommended continued use with monitoring; dozens of residents testified they experienced symptoms they believe are linked to chloramine and urged suspension or further studies.
San Francisco Public Utilities Commission staff presented a six‑month review of chloramine use in the distribution system on Nov. 14 and recommended the commission continue the current practice while monitoring emerging scientific evidence.
Staff said converting to chloramines in February 2004 reduced regulated disinfection byproducts roughly 50 percent and provided a more stable residual in a large, complex distribution system. San Francisco Department of Public Health epidemiologist June Weintraub summarized a literature and data review and told commissioners she found no published…
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