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Document ID ca-gcdwqgtd-2015-04-24-10 Title Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Selenium URL https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-guideline-technical-document-selenium/guidelines-canadian-drinking-water-quality-guideline-technical-document-selenium-page-12.html Jurisdiction /ca Subdomain(s) Drinking water Language en Status completed Analyzed at 2026-03-18 16:22:07.143785+00:00 Relevance Establishes a Maximum Acceptable Concentration for selenium in drinking water.

Q Qualitative Requirements (1)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeoperationalmandatoryGuideline Review and Research Monitoringdrinking waterAs part of its ongoing guideline review process, Health Canada will continue to monitor new research in this area and recommend any change to the guideline that it deems necessary.As part of its ongoing guideline review processhigh

P Quantitative Requirements (2)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001chemicalhealthguidelinetotal seleniumdrinking waterMAC0.05 mg/LThe maximum acceptable concentration (MAC) for selenium in drinking water is based on chronic selenosis symptoms.high
#P002chemicalhealthguidelinetotal seleniumdrinking waterMAC50 µg/LThe maximum acceptable concentration (MAC) for selenium in drinking water is based on chronic selenosis symptoms.high

D Definitions (2)

Req ID Category Name Context Confidence
#D001MACmaximum acceptable concentrationhigh
#D002selenosisSelenium toxicityhigh