
How the Bow and Elbow rivers supply Calgary's drinking water
Two rivers feed two treatment plants, with connected distribution mains. A broad supply map does not identify a tap's daily source proportions.
North America
Canada
Tap water is safe to drink.
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Calgary tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.
Brush Teeth
Yes, when served by the regulated public supply
Ice Cubes
Yes, when made from the regulated public supply
Wash Fruit
Yes, using clean tap water
Shower
Yes
Restaurants
Tap water is generally fine; check posted advisories
Locals Drink
Yes, from regulated public supplies
Water Quality
Good
Health Canada publishes Guidelines for Canadian Drinking Water Quality that provinces, territories and federal departments use as the basis for drinking-water quality requirements and advisories. No current Calgary customer-tap compliance source was found in this batch, so the page remains a conservative source-gap assessment.
Last reviewed:
Evidence basis: Limited public evidence
Freshness due:
The guidance is intentionally cautious because current city-level customer-tap evidence is incomplete.
Health Canada publishes Guidelines for Canadian Drinking Water Quality that provinces, territories and federal departments use as the basis for drinking-water quality requirements and advisories. No current Calgary customer-tap compliance source was found in this batch, so the page remains a conservative source-gap assessment.
Open caveat: No current public Calgary customer-tap compliance dataset was found in this batch.; Countrywide travel-health guidance supports conservative visitor behavior but does not prove conditions in every neighborhood, hotel, building tank, or private supply.
Pickpocket Risk
Low
Night Safety
Mostly safe
Scam Risk
Low
English Level
Native
May to September (warm weather); December to March for winter sports
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Canada
Toronto tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.
Canada
Vancouver tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.
Canada
Montreal tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.
Canada
Ottawa tap water is generally suitable to drink when it comes from the regulated public supply. Check local notices and building plumbing if you are in older housing, temporary accommodation, or after service disruptions.

Two rivers feed two treatment plants, with connected distribution mains. A broad supply map does not identify a tap's daily source proportions.

April reinforcement completion and September pipe installation are specific milestones. December service remains anticipated in the October progress information.

Hardness and alkalinity both use mg/L as CaCO3 in Calgary's tables. The parameter name, plant and reporting period still belong beside each number.