Water Hardness Atlas ZIP / postcode

Water hardness in Elliot Lake

27 mg/L soft

Tap water in Elliot Lake is soft: 27 mg/L (1.6 gpg · 1.5 °dH · 2.7 °fH).

<6060–120120–180>180 mg/L

Source: Ontario Ministry of the Environment, Conservation and Parks, Drinking Water Surveillance Program, Open Government Licence – Ontario (2015) · data checked 2026-10-21

Range across supply zones: 26–28 mg/L.

This figure is over 3 years old; hardness may have changed.

Elliot Lake lies on the Canadian Shield north of Lake Huron, where surface water is low in calcium. The programme reported 27.4 mg/L as CaCO3 for 2015, ranging from 25.6 to 27.6. The water is soft, and scale is minor.

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

Water data

Total hardness27 mg/L
UtilityElliot Lake Drinking Water System

How Elliot Lake compares

Ranking of the hardest and softest water in Canada →

What it means at home

How much salt will you use for softening?

No. Water this soft does not need softening.

Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in Elliot Lake

BrandSetting for this water
BoschH00
Miele2 °dH
AEG / Electrolux1
Beko1st
HooverS0
LGH0

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 Elliot Lake water hard or soft?

It is soft: 27 mg/L as CaCO₃ (1.6 gpg, 1.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Elliot Lake 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 Elliot Lake water?

1.6 gpg, equal to 1.5 °dH, 2.7 °fH or 27 mg/L calcium carbonate.

What dishwasher salt setting should I use in Elliot Lake?

For 27 mg/L (1.5 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Elliot Lake?

No. With soft water a softener adds nothing.

Source

Source: Ontario Ministry of the Environment, Conservation and Parks, Drinking Water Surveillance Program, Open Government Licence – Ontario (2015). Method: figure published by the water supplier. Ontario Ministry of the Environment, Conservation and Parks, Drinking Water Surveillance Program, Open Government Licence – Ontario · Outdated figure? Tell us

Nearby cities

Dowling94 mg/LGreater Sudbury65 mg/LSault Ste. Marie75 mg/LPort Elgin97 mg/LOwen Sound92 mg/LWawa76 mg/L
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