Drinking Water Quality and Supply

Owen Sound tap water: Grade B, hardness 209 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 average209 mg/L · prov. avg 178 mg/L
Lead vs provincial average0.1 μg/L · prov. avg 0.4 μg/L
Hardness
209 mg/L
Lead
0.1 μg/L
≤ 5 μg/L
pH
7.7
6.5–8.5 range
Hardness
209 mg/L
Very hard
Lead
0.1 μg/L
Max: 5 μg/L
pH
7.7
6.5–8.5
Chlorine
0.6 mg/L
Max: 4 mg/L
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OpenStats picks for Owen Sound — hard water, filter-first (209 mg/L)

Owen Sound at 209 mg/L is hard enough to scale kettles, but most residents solve taste and lead at the tap first. Carbon filtration + test strips; whole-house softener only if repeat hardness readings justify it.

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Reading this page

Owen Sound's drinking water earns Grade B (Good). Hardness is 209 mg/L (very hard), and pH is 7.7 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 Owen Sound 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

  • Georgian Bay

Treatment plants

  • Owen Sound Water Treatment Plant

    Georgian Bay surface intake and municipal filtration/disinfection plant serving the city.

Distribution

City reservoirs and distribution along the harbour and upland pressure zones.

Cited sources

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

All monitored parameters meet Health Canada guidelines.

Health parameters compliant; minor aesthetic factors such as hardness or pH near guideline edges.

Figure 1 · Supply chain

From watershed to tap

Compared to provincial average

Ontario · 123 cities in sample

Hardness (city vs Ontario avg)209 mg/L
pH (city vs Ontario avg)7.7
Lead (city vs Ontario avg)0.1 μg/L
Fluoride (city vs Ontario avg)0.5 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
Hardness209 mg/LNo health limit (aesthetic)Compliant
pH7.76.5–8.5Compliant
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 NTU≤ 1 NTU (typical target)Compliant
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 Owen Sound — hard water, filter-first (209 mg/L)

Owen Sound at 209 mg/L is hard enough to scale kettles, but most residents solve taste and lead at the tap first. Carbon filtration + test strips; whole-house softener only if repeat hardness readings justify it.

As an Amazon Associate, OpenStats earns from qualifying purchases.

· Compare options

  • Brita 10-cup Elite pitcher
    OpenStats pick for Owen Sound’s 209 mg/L hardness — drinking-water carbon first; pitchers do not soften
    Shop on Amazon.ca
  • Waterdrop 15UA under-sink filter
    Higher-flow kitchen carbon for Owen Sound without dedicating a softener closet
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  • VARIFY hardness test strips
    Owen Sound at 209 mg/L — measure before jumping to a whole-house softener
    Shop on Amazon.ca
  • Aquasure Harmony softener (upgrade path)
    Consider whole-house softening only if strips confirm 209 mg/L+ is wrecking appliances
    Shop on Amazon.ca
  • Brita Elite replacement filters
    Recurring Elite cartridges for Owen Sound
    Shop on Amazon.ca
Source · ECCC / municipal open data (seed). Last updated 2026-09-01. Refreshed on the site's automated schedule.