Canada reacts to water contamination

Concerns about drinking water also surfaced last week in Quebec, with the publication of a study in the Canadian Journal of Microbiology (2000; 46: 565-76) indicating that Quebecers who obtain their potable water from the St Lawrence hydrological basin are at "elevated" risk of contracting...

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Bibliographic Details
Published in:The Lancet (British edition) 2000-06, Vol.355 (9222), p.2228-2228
Main Author: Kondro, Wayne
Format: Article
Language:English
Subjects:
Bacteria
Chlorine
Contamination
Drinking water
Escherichia coli
Government
Government Agencies
Humans
Liability, Legal
Microbiology
Ontario
Provinces
Public Health
Sanitation - standards
Water Microbiology
Water pollution
Water Pollution - adverse effects
Water Purification - standards
Water supply
Water Supply - standards
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Summary:Concerns about drinking water also surfaced last week in Quebec, with the publication of a study in the Canadian Journal of Microbiology (2000; 46: 565-76) indicating that Quebecers who obtain their potable water from the St Lawrence hydrological basin are at "elevated" risk of contracting giardiasis. Conducted by a team of five scientists headed by the Institute Armand-Frappier's Pierre Payment, the study reveals that only 12 of 45 water-treatment plants between Montreal and Quebec City were able to achieve the desired minimum annual risk-infection figure (1:10 000) for giardiasis in the winter months. Even in the summer, when more ozone and chlorine are used to purify the water, there were still 11 treatment plants which did not meet the standard, the authors say.
ISSN:0140-6736
1474-547X
DOI:10.1016/S0140-6736(05)72734-3