Water Hardness Atlas ZIP / postcode

Water hardness in Red Deer

229 mg/L very hard

Tap water in Red Deer is very hard: 229 mg/L (13.4 gpg · 12.8 °dH · 22.9 °fH).

<6060–120120–180>180 mg/L

Source: City of Red Deer, Water Quality Parameters January 5 2026 (2026) · data checked 2026-11-02

Red Deer's January 2026 water quality report gives total hardness of 229 mg/L as CaCO3, with calcium at 59.4 and magnesium at 19.5 mg/L. It is one monthly winter result. Monthly values vary through the year, so a yearly average is likely to differ somewhat. Expect scale on heating elements and fixtures.

Health Canada: hardness above 200 mg/L is considered poor but tolerable; above 500 mg/L unacceptable.

Water data

Total hardness229 mg/L
Ca59.4
Mg19.5
UtilityCity of Red Deer Water Treatment Plant

How Red Deer compares

Ranking of the hardest and softest water in Canada →

What it means at home

How much salt will you use for softening?

Yes. At this hardness a softener pays for itself through appliance life and detergent.

Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Red Deer

BrandSetting for this water
BoschH04
Miele13 °dH
AEG / Electrolux3
Beko4th
HooverS2
LGH2

From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →

FAQ

Is Red Deer water hard or soft?

It is very hard: 229 mg/L as CaCO₃ (13.4 gpg, 12.8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Red Deer safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Health Canada: hardness above 200 mg/L is considered poor but tolerable; above 500 mg/L unacceptable.

How many grains per gallon is Red Deer water?

13.4 gpg, equal to 12.8 °dH, 22.9 °fH or 229 mg/L calcium carbonate.

What dishwasher salt setting should I use in Red Deer?

For 229 mg/L (12.8 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Red Deer?

Yes, unless you are only passing through: scale damages appliances within a few years.

Source

Source: City of Red Deer, Water Quality Parameters January 5 2026 (2026). Method: figure published by the water supplier. City of Red Deer, Water Quality Parameters January 5 2026 · Outdated figure? Tell us

Nearby cities

Blackfalds215 mg/LSylvan Lake274 mg/LLacombe215 mg/LPonoka215 mg/LCochrane166 mg/LCalgary199 mg/L
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