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Drinking Water Quality and Supply

Tecumseh tap water: Grade C, hardness 192 mg/L

By OpenStats · Built from official Canadian sources

Regional estimate
Active water advisory: Do not consume issued 2026-08-01. Positive total coliform sample
C

Water quality grade

Fair

Graded against Health Canada drinking water guidelines

Lead within guidelinepH in range
Hardness vs provincial average192 mg/L · prov. avg 178 mg/L
Lead vs provincial average0 μg/L · prov. avg 0.4 μg/L
Hardness
192 mg/L
Lead
0 μg/L
≤ 5 μg/L
pH
7.5
6.5–8.5 range
Hardness
192 mg/L
Very hard
Lead
0 μg/L
Max: 5 μg/L
pH
7.5
6.5–8.5
Chlorine
0.5 mg/L
Max: 4 mg/L
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Compare filters · Water test kits · Hardness guide

Reading this page

Tecumseh's drinking water earns Grade C (Fair). Hardness is 192 mg/L (very hard), and pH is 7.5 against Health Canada's 6.5–8.5 guideline.

Lead at 0 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 Tecumseh 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

Groundwater

Research confidence: medium

Source waters

  • groundwater

Treatment plants

  • Tecumseh Water Treatment Plant

    From municipal open data or regional estimate (verify locally).

Cited sources

Outbound municipal or utility citations pending. See methodology for how supply research is gathered.

Supply notes summarize published utility materials. They are not a substitute for the issuing authority's current notices or for a licensed tap test.

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

Ontario · 123 cities in sample

Hardness (city vs Ontario avg)192 mg/L
pH (city vs Ontario avg)7.5
Lead (city vs Ontario avg)0 μg/L
Fluoride (city vs Ontario avg)0.6 mg/L

Provincial average: hardness 178 mg/L · pH 7.5 · lead 0.4 μg/L · fluoride 0.6 mg/L

Full parameters

ParameterReadingHealth Canada guidelineStatus
Hardness192 mg/LNo health limit (aesthetic)Compliant
pH7.56.5–8.5Compliant
Lead0 μg/L≤ 5 μg/LCompliant
Fluoride0.6 mg/L≤ 1.5 mg/LCompliant
Chlorine (free)0.5 mg/L≤ 4 mg/LCompliant
Turbidity3.3 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 Tecumseh — advisory filtration

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Source · ECCC / municipal open data (seed). Last updated 2026-09-01. Refreshed on the site's automated schedule.