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Sorel-Tracy Drinking Water Quality
By OpenStats · Built from official Canadian sources
Regional estimateA
Water quality grade
Excellent
Graded against Health Canada drinking water guidelines
Lead within guidelinepH in range
Hardness vs provincial average86 mg/L · prov. avg 183 mg/L
Lead vs provincial average0.6 μg/L · prov. avg 0.3 μg/L
Hardness
86 mg/L
Lead
0.6 μg/L
≤ 5 μg/L
pH
7.4
6.5–8.5 range
Hardness
86 mg/L
Moderate
Lead
0.6 μg/L
Max: 5 μg/L
pH
7.4
6.5–8.5
Chlorine
1.1 mg/L
Max: 4 mg/L
From source to sink
Where Sorel-Tracy water comes from
Lakes, rivers, wells, and treatment plants behind the kitchen tap, in plain language. Chemistry grades above are a separate lab snapshot; this section is the route the water travels.
Open the full tap storyOn the map
Where Sorel-Tracy water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CitySorel-Tracy
Municipal service area
- Source waterSaint Lawrence River
Source water
- Treatment plantUsine de production d’eau potable de Sorel-Tracy
Approximate pin near Sorel-Tracy (exact plant coordinates pending)
Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.
Where it starts
Surface water
Research confidence: medium
Named source waters
- Saint Lawrence River
Treatment plants
Usine de production d’eau potable de Sorel-Tracy
St. Lawrence River surface plant for Sorel-Tracy.
How it reaches your street
City aqueduct at the Richelieu-St. Lawrence confluence urban area.
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Reading this page
Sorel-Tracy's most recent drinking water sample (2026-07-22) reports hardness of 86 mg/L, classified as moderately hard, and pH 7.4, drawn from a surface water source and treated at Sorel-Tracy Water Treatment Plant. Lead measured 0.6 μg/L and fluoride 0.5 mg/L.
Free chlorine measured 1.1 mg/L in this sample. No E. coli was detected in this sample.
Sorel-Tracy's hardness of 86 mg/L is below the Quebec average of 183 mg/L across 34 tracked municipalities, with a provincial average pH of 7.5.
These readings summarize a single compliance snapshot, not a certification of the water reaching your tap. Test your own water periodically, especially on a private well, and consider a softener if hardness is classified hard or very hard.
How to use this page: read the headline metrics first, then where the water comes from (map and tap story), then the parameter table and source footer.
All monitored parameters meet Health Canada guidelines.
All health parameters meet Health Canada guidelines with comfortable pH, hardness, and turbidity.
Figure 1 · From source to sink
How drinking water reaches your tap
Compared to provincial average
Quebec · 34 cities in sample
Hardness (city vs Quebec avg)86 mg/L
pH (city vs Quebec avg)7.4
Lead (city vs Quebec avg)0.6 μg/L
Fluoride (city vs Quebec avg)0.5 mg/L
Provincial average: hardness 183 mg/L · pH 7.5 · lead 0.3 μg/L · fluoride 0.6 mg/L
Full parameters
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 86 mg/L | No health limit (aesthetic) | Compliant |
| pH | 7.4 | 6.5–8.5 | Compliant |
| Lead | 0.6 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.5 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 1.1 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 0.7 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 →Drinking water filters and test kits
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- Shop on Amazon.caShower filterChlorine at the showerhead
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Source · ECCC / municipal open data (seed). Last updated 2026-07-22. Refreshed on the site's automated schedule.