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Drinking Water Quality and Supply

Burlington tap water: Grade B, hardness 124 mg/L

By OpenStats · Built from official Canadian sources

Direct municipal data
B

Water quality grade

Good

Graded against Health Canada drinking water guidelines

Lead within guidelinepH in range
Hardness vs provincial average124 mg/L · prov. avg 178 mg/L
Lead vs provincial average0.2 μg/L · prov. avg 0.4 μg/L
Hardness
124 mg/L
Lead
0.2 μg/L
≤ 5 μg/L
pH
7.6
6.5–8.5 range
Hardness
124 mg/L
Hard
Lead
0.2 μg/L
Max: 5 μg/L
pH
7.6
6.5–8.5
Chlorine
0.7 mg/L
Max: 4 mg/L
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Reading this page

Burlington water hardness is 124 mg/L with pH 7.6.

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 Burlington 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

  • Lake Ontario

Treatment plants

  • Burlington Water Treatment Plant

    Halton Region Lake Ontario plant serving Burlington and the interconnected South Halton system alongside Oakville and Burloak plants.

  • Burloak Water Treatment Plant

    Shared Halton membrane plant on Rebecca Street that also supplies Burlington zones.

Distribution

Halton Region treats and transmits Lake Ontario water; Burlington is part of the Halton Region Distribution Subsystem with multiple reservoirs and booster stations.

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

Ontario · 123 cities in sample

Hardness (city vs Ontario avg)124 mg/L
pH (city vs Ontario avg)7.6
Lead (city vs Ontario avg)0.2 μg/L
Fluoride (city vs Ontario avg)0.7 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
Hardness124 mg/LNo health limit (aesthetic)Compliant
pH7.66.5–8.5Compliant
Lead0.2 μg/L≤ 5 μg/LCompliant
Fluoride0.7 mg/L≤ 1.5 mg/LCompliant
Chlorine (free)0.7 mg/L≤ 4 mg/LCompliant
Turbidity1.1 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.

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OpenStats pick

OpenStats picks for Burlington — moderate hardness

Burlington at 124 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 · Halton Region distribution system 2025 analytical averages. Last updated 2026-10-07. Refreshed on the site's automated schedule.