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Document ID ca-gcdwqgtd-2016-01-12-9 Title Guidelines for Canadian Drinking Water Quality: Guideline Technical Document – Ammonia URL https://www.canada.ca/en/health-canada/services/publications/healthy-living/guidelines-canadian-drinking-water-quality-guideline-technical-document-ammonia/page-12-guidelines-canadian-drinking-water-quality-guideline-technical-document-ammonia.html Jurisdiction /ca Subdomain(s) Drinking water, Water treatment Language en Status completed Analyzed at 2026-03-17 15:18:46.083729+00:00 Relevance Technical guidance on ammonia levels to prevent nitrification in drinking water.

Q Qualitative Requirements (1)

Req ID Category Intent Legal Status Name Subdomain(s) Context Conditions Confidence
#Q001operationaloperationalguidanceMaintain minimal ammonia levelsdrinking waterAlthough no health-based guideline value can be derived for ammonia in drinking water, it is still important to maintain minimal levels of ammonia in drinking water.high

P Quantitative Requirements (2)

Req ID Category Intent Legal Status Name Subdomain(s) Limit Type Limit Value Context Conditions Confidence
#P001chemicaloperationalguidancefree ammoniadrinking waterOG< 0.1 mg/LLimiting the excess of free ammonia entering the distribution system to concentrations below 0.1 mg/L... will help prevent nitrification.entering the distribution systemhigh
#P002chemicaloperationalrecommendedfree ammoniadrinking waterOG< 0.05 mg/Lpreferably below 0.05 mg/L, as ammonia-nitrogen, will help prevent nitrification.entering the distribution systemhigh

D Definitions (0)

No definitions.