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Sainte-Marie Water Hardness & Quality Report (2026)

Water Hardness

55mg/L
Soft

Source

river

pH Level

7.3

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

95.6 mg/L

Est. Daily Cost

$0.15

energy & soap waste

Source: Health Canada Water Quality · Updated 2026

55mg/L as CaCO₃Soft

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 7% efficiency due to mineral buildup.

ApplianceIn Sainte-MarieSoft Water CityEfficiency Loss
Kettle
7.8 yrs
8.5 yrs-8%
Washing Machine
11.6 yrs
12 yrs-3%
Water Heater
13.4 yrs
15 yrs-11%

Regional Water Comparison

How Sainte-Marie compares to its nearest neighbours

CityHardnessMineralizationRisk
Sainte-Marie, Quebec55 mg/LLow🟢 Soft
Saint Romuald, Quebec87 mg/LMedium🟡 Moderately Hard
Lévis, Quebec82 mg/LMedium🟡 Moderately Hard
Québec, Quebec81 mg/LMedium🟡 Moderately Hard
Sainte-Foy, Quebec81.5 mg/LMedium🟡 Moderately Hard

National Benchmark

How Sainte-Marie compares to the Canada average

BenchmarkHardnessAppliance Risk
Sainte-Marie55 mg/L🟢 None
Canada National Avg141 mg/L🟠 Moderate
Vancouver Top Rated3 mg/L🟢 None

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What Makes Sainte-Marie's Water Unique?

Local geology and source profile

Source: RiverTDS: 95.6 mg/LpH: 7.3

Sainte-Marie's drinking water is managed by the Ville de Sainte-Marie, drawing from the Rivière Chaudière — Sainte-Marie is the regional capital of the Nouvelle-Beauce MRC in the Chaudière-Appalaches region of Quebec, the urban heart of the fabled Beauce region south of Quebec City, a deeply rooted francophone community renowned for Quebec's entrepreneurial spirit (the Beauce being nicknamed 'le pays de la liberté' for its individualistic self-reliance), the annual maple syrup festivals and Beauce-Carnival winter traditions, and the thriving manufacturing and construction-sector industry along the Chaudière Valley. Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, meeting all Guidelines for Canadian Drinking Water Quality (GCDWQ) requirements. Hardness measures 55 mg/L (3.2 gpg) — classified as soft by Health Canada, consistent with the Appalachian watershed character of the Rivière Chaudière.

The Rivière Chaudière drains the Appalachian Highlands of the Eastern Townships and Beauce plateau — the Chaudière watershed traverses Cambrian and Ordovician metasedimentary rocks (schists, phyllites, and slates of the Taconian Appalachian thrust sheets) with relatively low carbonate content, producing the soft 55 mg/L supply. The Appalachian plateau of the Beauce sits on ancient Cambrian oceanic terranes accreted to the Laurentian margin, geologically distinct from the carbonate-rich Ordovician limestone of the Quebec City–Ottawa Valley St. Lawrence Lowlands.

With 55 mg/L, Sainte-Marie homes are essentially scale-free — occasional kettle cleaning every three months is adequate. Hot water tanks have an excellent operational lifespan. Water quality reports are published following Ministère de l'Environnement standards. Health Canada lead precautionary guidance applies to pre-1975 properties in the historic Sainte-Marie Beauce townsite along the Rivière Chaudière, where older residential plumbing may include lead service connections.

Geology & Source: Supplied by the Ville de Sainte-Marie from the Rivière Chaudière — the Sainte-Marie supply from the Beauce Appalachian river corridor produces soft water at 55 mg/L (3.2 gpg), reflecting the Appalachian metasedimentary watershed character of the Chaudière Valley.

Other Quebec Water Reports

Frequently Asked Questions

Is Sainte-Marie's water safe to drink?
Yes. Sainte-Marie's water meets all federal safety standards. The hardness is 55 mg/L (Soft), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Sainte-Marie?
Sainte-Marie's water is soft at 55 mg/L. A water softener is generally not necessary, though a carbon filter can improve taste and remove any remaining chlorine.
How does Sainte-Marie compare to the Canada average?
The Canada national average is 141 mg/L. Sainte-Marie at 55 mg/L is 86 mg/L below the national average. The softest major city is Vancouver at just 3 mg/L.