Mont-Saint-Hilaire Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
river
pH Level
7.8
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
303.9 mg/L
Est. Daily Cost
$0.40
energy & soap waste
Source: Health Canada Water Quality · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In Mont-Saint-Hilaire, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Mont-Saint-Hilaire | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Mont-Saint-Hilaire compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Mont-Saint-Hilaire, Quebec | ≈ 120–179 mg/L | High | 🟠 Hard |
| Beloeil, Quebec | ≈ 120–179 mg/L | Medium | 🟠 Hard |
| Saint-Basile-le-Grand, Quebec | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
| Sainte-Julie, Quebec | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
| Chambly, Quebec | ≈ 0–60 mg/L | Low | 🟢 Soft |
National Benchmark
How Mont-Saint-Hilaire compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Mont-Saint-Hilaire | ≈ 120–179 mg/L | 🟠 Moderate |
| Canada National Avg | 140 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Mont-Saint-Hilaire's Water Unique?
Local geology and source profile
Unfortunately, no official water quality data is currently available for Mont-Saint-Hilaire, Quebec. Residents seeking specific details should reach out to the municipality's public works department. You might also find information in the Quebec Ministry of Environment's water quality database. While some websites reference Mont-Saint-Hilaire, they don't provide concrete figures in their public search results, leaving a gap in accessible information for consumers.
The water supply for Mont-Saint-Hilaire originates from the Rivière Richelieu or a local reservoir within the Montérégie watershed. The treatment process aims to ensure the water is safe for consumption before it reaches homes and businesses. Without specific data, it's difficult to detail the exact treatment steps or sources beyond these general references.
Homeowners in Mont-Saint-Hilaire might notice the effects of moderately hard water, often indicated by mineral buildup on fixtures and potentially affecting the lifespan of appliances like water heaters and dishwashers. Regular descaling of these appliances can help mitigate issues. If you find soap doesn't lather well or notice spots on dishes, a water softener could be a worthwhile consideration for your household.
Geology & Source: Richelieu Valley eastern Montérégie corridor; calcareous bedrock produces moderate hardness
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