Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Copper

Table of Contents


The aesthetic objective for copper in drinking water is≤1.0 mg/L; this was set to ensure palatability and to minimize staining of laundry and plumbing fixtures. Copper is an essential element in human metabolism, and it is well-known that deficiency results in a variety of clinical disorders, including nutritional anaemia in infants. Although the intake of large doses of copper has resulted in adverse health effects, the levels at which this occurs are much higher than the aesthetic objective.

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Type: Guidelines
Date published: 1992-02
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