By OpenStats · Built from official Canadian sources
Direct municipal dataWater quality grade
Excellent
Graded against Health Canada drinking water guidelines
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Municipal reports cover the plant. A Tap Score kit tests the water at a Kingston tap for a broader contaminant panel.
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Kingston water hardness is 114 mg/L, from the city's published water quality reporting.
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
How Kingston 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.
Surface water
Research confidence: high
Point Pleasant Water Treatment Plant
Utilities Kingston / City of Kingston plant with a 1.2 m intake about 570 m offshore at roughly 18 m depth. Supplies Distribution Area 1 (Pressure Zones 1 and 2).
King Street Water Treatment Plant
Second Lake Ontario plant with intake about 1 km offshore at roughly 18 m depth. Supplies Distribution Area 2 (and Area 3 via James Street booster).
Combined Kingston Drinking Water System serves about 132,500 people across three distribution areas with elevated tanks and reservoirs (O’Connor, Progress, Creekford, Tower Street, Third Avenue among them).
All monitored parameters meet Health Canada guidelines.
All health parameters meet Health Canada guidelines with comfortable pH, hardness, and turbidity.
Figure 1 · Supply chain
From watershed to tap
Ontario · 123 cities in sample
Provincial average: hardness 178 mg/L · pH 7.5 · lead 0.4 μg/L · fluoride 0.6 mg/L
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 114 mg/L | No health limit (aesthetic) | Compliant |
| pH | 6.8 | 6.5–8.5 | Compliant |
| Lead | 0.5 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.5 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 1 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 0.6 NTU | ≤ 1 NTU (typical target) | Compliant |
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
Kingston pairs 114 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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