CWQGCanadian Water Quality Guidelines
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Three brands exceeded the CWQG of 10 [micro]g/L for lead, and three were below the detection limit of 0.
In Manitoba, nitrate may be encountered in waters impacted by intensive livestock production, fertilizer application, or septic effluent, and some private water supplies subject to such contamination can approach or exceed the CWQG (30,31).
Lead levels exceeded the CWQG of 10 [micro]g/L in three of the samples.