Mercier Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
river
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
232.7 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 Mercier, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Mercier | 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 Mercier compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Mercier, Quebec | ≈ 120–179 mg/L | High | 🟠 Hard |
| Châteauguay, Quebec | 113 mg/L | Medium | 🟡 Moderately Hard |
| Beauharnois, Quebec | 96.5 mg/L | Medium | 🟡 Moderately Hard |
| Dorval, Quebec | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
| Pointe-Claire, Quebec | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
National Benchmark
How Mercier compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Mercier | ≈ 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 Mercier's Water Unique?
Local geology and source profile
No official water quality data was found for Mercier, Quebec. The municipality's official drinking water page does not publish hardness measurements, annual water quality reports, or treatment details. To obtain this information, contact Mercier's municipal water department directly or consult the regional water authority, the Communauté métropolitaine de Montréal.
Nearby Montreal reports moderately hard water around 116 mg/L, but Mercier's specific supply characteristics cannot be confirmed without official documentation. The Châteauguay River watershed, which supplies Mercier, is known for producing moderately hard water, consistent with other river supplies in the southern Montérégie region.
Without official hardness data, it's difficult to predict the exact impact on appliances and pipes. Homeowners in the area might notice soap not lathering as easily, and scale buildup could occur over time, potentially affecting the lifespan of water heaters and dishwashers. If you're experiencing issues, consider a water softener.
Geology & Source: Châteauguay River watershed; river sediment and bedrock geology produce moderate hardness
Other Quebec Water Reports
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