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Drinking Water Quality and Supply

Drayton Valley tap water: Grade B, hardness 137 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 average137 mg/L · prov. avg 178 mg/L
Lead vs provincial average0.1 μg/L · prov. avg 0.3 μg/L
Hardness
137 mg/L
Lead
0.1 μg/L
≤ 5 μg/L
pH
8
6.5–8.5 range
Hardness
137 mg/L
Hard
Lead
0.1 μg/L
Max: 5 μg/L
pH
8
6.5–8.5
Chlorine
0.6 mg/L
Max: 4 mg/L
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Reading this page

Drayton Valley's drinking water earns Grade B (Good). Hardness is 137 mg/L (hard), and pH is 8 against Health Canada's 6.5–8.5 guideline.

Lead at 0.1 μg/L is below the 5 μg/L maximum, and fluoride is 0.5 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 Drayton Valley 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: medium

Source waters

  • surface

Treatment plants

  • Drayton Valley 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.

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

Alberta · 51 cities in sample

Hardness (city vs Alberta avg)137 mg/L
pH (city vs Alberta avg)8
Lead (city vs Alberta avg)0.1 μg/L
Fluoride (city vs Alberta avg)0.5 mg/L

Provincial average: hardness 178 mg/L · pH 7.5 · lead 0.3 μg/L · fluoride 0.6 mg/L

Full parameters

ParameterReadingHealth Canada guidelineStatus
Hardness137 mg/LNo health limit (aesthetic)Compliant
pH86.5–8.5Compliant
Lead0.1 μg/L≤ 5 μg/LCompliant
Fluoride0.5 mg/L≤ 1.5 mg/LCompliant
Chlorine (free)0.6 mg/L≤ 4 mg/LCompliant
Turbidity1.8 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 Drayton Valley — moderate hardness

Drayton Valley at 137 mg/L is hard enough for kettle scale but often below whole-house softener urgency. Carbon filtration for taste plus hardness strips before you overspend.

As an Amazon Associate, OpenStats earns from qualifying purchases.

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