Drinking Water Quality and Supply

Drummondville tap water: Grade B, hardness 173 mg/L

By OpenStats · Built from official Canadian sources

Regional estimate
B

Water quality grade

Good

Graded against Health Canada drinking water guidelines

Lead within guidelinepH in range
Hardness vs provincial average173 mg/L · prov. avg 183 mg/L
Lead vs provincial average0.5 μg/L · prov. avg 0.3 μg/L
Hardness
173 mg/L
Lead
0.5 μg/L
≤ 5 μg/L
pH
7.6
6.5–8.5 range
Hardness
173 mg/L
Hard
Lead
0.5 μg/L
Max: 5 μg/L
pH
7.6
6.5–8.5
Chlorine
1 mg/L
Max: 4 mg/L
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Reading this page

Drummondville's drinking water earns Grade B (Good). Hardness is 173 mg/L (hard), and pH is 7.6 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 0.7 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 Drummondville 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

  • Saint-François River

Treatment plants

  • Usine de traitement de l’eau de Drummondville (nouvelle UTE)

    Replacement plant (in service 2025) near the Saint-François River intake used by the historic 1920s works. Design capacity near 75,000 m³/day with expansion headroom toward 90,000 m³/day. Serves Drummondville plus Saint-Majorique, Saint-Germain-de-Grantham, and Saint-Cyrille-de-Wendover.

Distribution

City UTE staff also maintain sector reservoirs/boosters (industrial park, Grantham, Saint-Nicéphore) on the greater Drummondville network.

Health parameters meet Health Canada limits; turbidity above the 1 NTU typical target.

Health parameters meet Health Canada limits; turbidity exceeds the typical 1 NTU aesthetic target.

Figure 1 · Supply chain

From watershed to tap

Compared to provincial average

Quebec · 34 cities in sample

Hardness (city vs Quebec avg)173 mg/L
pH (city vs Quebec avg)7.6
Lead (city vs Quebec avg)0.5 μg/L
Fluoride (city vs Quebec avg)0.7 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
Hardness173 mg/LNo health limit (aesthetic)Compliant
pH7.66.5–8.5Compliant
Lead0.5 μg/L≤ 5 μg/LCompliant
Fluoride0.7 mg/L≤ 1.5 mg/LCompliant
Chlorine (free)1 mg/L≤ 4 mg/LCompliant
Turbidity1.4 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 Drummondville — chlorine + hardness

Drummondville pairs 173 mg/L hardness with 1.0 mg/L chlorine — taste and scale show up together. Elite carbon for drinking, shower filter for chlorine, strips so you know when you need a softener.

As an Amazon Associate, OpenStats earns from qualifying purchases.

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  • Frizzlife SW20 under-sink filter
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  • Brita Elite replacement filters
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  • VARIFY hardness test strips
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Source · ECCC / municipal open data (seed). Last updated 2026-09-01. Refreshed on the site's automated schedule.