Page 2: Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Selenium
The maximum acceptable concentration (MAC) for total selenium in drinking water is 0.05 mg/L (50 µg/L).
Date reviewed: 2026-06-04
The maximum acceptable concentration (MAC) for total selenium in drinking water is 0.05 mg/L (50 µg/L).
Date reviewed: 2026-06-04