Drinking Water Quality and Supply

Sherbrooke tap water: Grade C, hardness 277 mg/L

By OpenStats · Built from official Canadian sources

Regional estimate
C

Water quality grade

Fair

Graded against Health Canada drinking water guidelines

Lead within guidelinepH in range
Hardness vs provincial average277 mg/L · prov. avg 183 mg/L
Lead vs provincial average0.5 μg/L · prov. avg 0.3 μg/L
Hardness
277 mg/L
Lead
0.5 μg/L
≤ 5 μg/L
pH
7.5
6.5–8.5 range
Hardness
277 mg/L
Very hard
Lead
0.5 μg/L
Max: 5 μg/L
pH
7.5
6.5–8.5
Chlorine
1 mg/L
Max: 4 mg/L
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OpenStats picks for Sherbrooke — very hard water (277 mg/L)

Sherbrooke hardness is 277 mg/L — pitcher filters improve taste but will not soften water. Size a metered whole-house softener for scale, and add under-sink carbon for drinking chlorine.

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Reading this page

Sherbrooke's drinking water earns Grade C (Fair). Hardness is 277 mg/L (very hard), and pH is 7.5 against Health Canada's 6.5–8.5 guideline.

Lead at 0.5 μg/L is below the 5 μg/L maximum, and fluoride is 0.6 mg/L against a guideline of ≤ 1.5 mg/L.

How to use this page: read the headline metric and provincial comparison first, then supply and treatment notes, then the source footer for the underlying dataset.

Watershed to tap

Supply and treatment

How Sherbrooke draws, treats, and distributes drinking water, from municipal and utility publications. Chemistry grades above come from separate parameter records; this section does not invent plant lab figures.

Source type

Surface water

Research confidence: high

Source waters

  • Lac Memphrémagog

Treatment plants

  • Usine J.M.-Jeanson (J.-M.-Jeanson)

    Sole municipal production plant near Université de Sherbrooke; membrane microfiltration, high-frequency ozonation, and chlorination after ~27 km raw-water transfer from Magog-area intake.

Distribution

Raw water is pumped from a deep Lac Memphrémagog intake (about 14 m depth, ~150 m offshore) in Canton de Magog, then piped to the Jeanson plant for treatment and citywide distribution.

Health parameters meet Health Canada limits; turbidity above the 1 NTU typical target and very hard water.

One or more parameters exceed a Health Canada drinking water guideline or turbidity target.

Figure 1 · Supply chain

From watershed to tap

Compared to provincial average

Quebec · 34 cities in sample

Hardness (city vs Quebec avg)277 mg/L
pH (city vs Quebec avg)7.5
Lead (city vs Quebec avg)0.5 μg/L
Fluoride (city vs Quebec avg)0.6 mg/L

Provincial average: hardness 183 mg/L · pH 7.5 · lead 0.3 μg/L · fluoride 0.6 mg/L

Full parameters

ParameterReadingHealth Canada guidelineStatus
Hardness277 mg/LNo health limit (aesthetic)Compliant
pH7.56.5–8.5Compliant
Lead0.5 μg/L≤ 5 μg/LCompliant
Fluoride0.6 mg/L≤ 1.5 mg/LCompliant
Chlorine (free)1 mg/L≤ 4 mg/LCompliant
Turbidity3.8 NTU≤ 1 NTU (typical target)Exceeds guideline
Alberta water licences

WaterRegister.ca

On a private well or holding an Alberta water allocation licence? Water Register maps EPA licence records, transfer comparables, and watershed context across the province.

Explore WaterRegister.ca →

OpenStats pick

OpenStats picks for Sherbrooke — very hard water (277 mg/L)

Sherbrooke hardness is 277 mg/L — pitcher filters improve taste but will not soften water. Size a metered whole-house softener for scale, and add under-sink carbon for drinking chlorine.

As an Amazon Associate, OpenStats earns from qualifying purchases.

· Compare options

  • Aquasure Harmony 40,000 grain softener
    OpenStats pick for Sherbrooke’s 277 mg/L hardness — metered whole-house softener sized for very hard Canadian tap water
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  • Waterdrop 15UB under-sink system + faucet
    Sherbrooke: under-sink carbon for drinking water (chlorine 1.0 mg/L) — does not remove hardness minerals
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  • SR SUN RISE 20-stage shower filter
    Sherbrooke’s 1.0 mg/L chlorine — bestselling shower filter on Amazon.ca
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  • VARIFY hardness test strips
    Verify 277 mg/L hardness at your tap before buying salt and sizing a softener
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  • Fleck 5600 SXT softener (alternate)
    Alternate Fleck 5600 SXT listing if Aquasure is out of stock
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Source · ECCC / municipal open data (seed). Last updated 2026-09-01. Refreshed on the site's automated schedule.