Sainte-Marie Water Hardness & Quality Report (2026)
Water Hardness
~60–119 mg/L
Moderately Hardestimated · not lab-verified
Source
river
pH Level
7.5
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
166.8 mg/L
Est. Daily Cost
$0.24
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 Sainte-Marie, your appliances are currently losing 12% efficiency due to mineral buildup.
| Appliance | In Sainte-Marie | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.5 yrs | 8.5 yrs | -12% |
| Washing Machine | 10.6 yrs | 12 yrs | -12% |
| Water Heater | 13.2 yrs | 15 yrs | -12% |
Regional Water Comparison
How Sainte-Marie compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Sainte-Marie, Quebec | ≈ 60–119 mg/L | Medium | 🟡 Moderately Hard |
| Saint Romuald, Quebec | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
| Lévis, Quebec | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
| Québec, Quebec | ≈ 0–60 mg/L | Low | 🟢 Soft |
| Sainte-Foy, Quebec | ≈ 180+ mg/L | Very High | 🔴 Very Hard |
National Benchmark
How Sainte-Marie compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Sainte-Marie | ≈ 60–119 mg/L | 🟡 Low |
| Canada National Avg | 140 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Sainte-Marie's Water Unique?
Local geology and source profile
The Ville de Sainte-Marie draws its water supply from the Rivière Chaudière, a significant river within the Chaudière-Appalaches region of Quebec. While specific treatment plant details are not available, municipal systems in this area typically employ standard processes such as filtration, disinfection, and coagulation, especially for surface water sources like the Rivière Chaudière. This river is part of the larger St. Lawrence River basin, and its watershed characteristics contribute to the water's overall quality and composition as it flows towards the community.
Geologically, Sainte-Marie is situated within the Beauce Appalachian river corridor. The underlying bedrock consists of Paleozoic sedimentary rocks, including Ordovician-Silurian shales, sandstones, and limestones, remnants of the Appalachian orogeny. These formations, along with glacial till deposits, influence the mineral content of the water. The metasedimentary nature of the Chaudière Valley watershed generally results in soft water, although dissolved calcium and magnesium from these rock types can contribute to moderate mineralisation.
Homeowners in Sainte-Marie might notice some minor scale buildup in appliances over time, which can affect efficiency and lead to light spotting on glassware. Regular descaling of kettles and faucets with vinegar can help manage these deposits. If you find that spotting on dishes or scale in your water heater becomes a persistent issue, installing a water softener would be a recommended solution. Municipal water in Quebec generally adheres to strict health guidelines, ensuring the water is safe to drink.
Geology & Source: Rivière Chaudière river; Appalachian metasedimentary watershed; Paleozoic shales, sandstones, and limestones produce soft to moderate hardness
Other Quebec Water Reports
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