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Canadian Journal of Public Health = Revue Canadienne de Santé Publique logoLink to Canadian Journal of Public Health = Revue Canadienne de Santé Publique
. 2002 Sep 1;93(5):366–367. doi: 10.1007/BF03404571

Bacterial Water Quality in the Personal Water Bottles of Elementary Students

J A Oliphant 112, M C Ryan 212,, A Chu 112
PMCID: PMC6979861  PMID: 12353459

Abstract

Background: Samples of drinking water were collected directly from the personal water bottles of students at an elementary school in Calgary, Alberta.

Methods: Total and fecal coliforms and heterotrophic bacteria were enumerated using membrane filtration and agar plate count methods respectively.

Results: The Canadian Drinking Water Quality Guidelines (CWQG) criterion was exceeded for total coliform in 13.3% of 75 samples. Fecal coliform and total heterotrophic criteria were exceeded in 8.9% (of 68 samples) and 64.4% (of 76 samples) respectively.

Findings: The use of personal water bottles for students in elementary classrooms is not recommended.

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