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Document ID ca-gcdwqgtd-2015-04-24-2 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-4.html Jurisdiction /ca Subdomain(s) Drinking water, Source water protection Language en Status completed Analyzed at 2026-03-18 15:58:34.325745+00:00 Relevance Defines maximum acceptable concentration and monitoring for selenium in drinking water.

Q Qualitative Requirements (3)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001administrativeoperationalrecommendedObtaining Implementation Guidancedrinking waterSpecific guidance related to the implementation of drinking water guidelines should be obtained from the appropriate drinking water authority in the affected jurisdiction.high
#Q002monitoringhealthrecommendedSource Water Monitoring for Seleniumdrinking waterSince the potential release of selenium is likely to be into source waters through coal ash pond effluent and the ash and dusts that settle on water, monitoring of source water near coal-fired power plants and in areas where mining and refining of copper and other metals occurs is recommended.near coal-fired power plants and in areas where mining and refining of copper and other metals occurshigh
#Q003corrective_actionoperationalguidanceAction Plan for Elevated Seleniumdrinking waterIn the event that monitoring data show elevated levels of naturally-occurring selenium, it is suggested that a plan be developed and implemented to address these situations.In the event that monitoring data show elevated levels of naturally-occurring seleniumhigh

P Quantitative Requirements (0)

No quantitative requirements.

D Definitions (0)

No definitions.