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Published on: December 15, 2011
Heterogeneous dermatitis complaints after change in drinking water treatment: a case report
June M Weintraub1, Magdalena Berger, Rajiv Bhatia
1Occupational and Environmental Health Section, San Francisco Department of Public Health, 1390 Market Street, San Francisco, CA 94102, USA. june.weintraub@sfdph.org
Background:
The disinfectant monochloramine minimizes the formation of potentially hazardous and regulated byproducts, and many drinking water utilities are shifting to its use.
Case Presentation:
After a drinking water utility serving 2.4 million people switched to monochloramine for residual disinfection, a small number of residents complained of dermatitis reactions. We interviewed 17 people about their symptoms. Skin appearance, symptoms, and exposures were heterogeneous. Five respondents had history of hives or rash that preceded the switch to monochloramine.
Conclusion:
The complaints described were heterogeneous, and many of the respondents had underlying or preexisting conditions that would offer plausible alternative explanations for their symptoms. We did not recommend further study of these complaints.
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