Stony Plain 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
274 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 Stony Plain, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Stony Plain | 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 Stony Plain compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Stony Plain, Alberta | ≈ 120–179 mg/L | High | 🟠 Hard |
| Spruce Grove, Alberta | ≈ 120–179 mg/L | High | 🟠 Hard |
| St. Albert, Alberta | 240.5 mg/L | Very High | 🔴 Very Hard |
| Wîhkwêntôwin, Alberta | 256 mg/L | Very High | 🔴 Very Hard |
| Downtown, Alberta | 187 mg/L | High | 🔴 Very Hard |
National Benchmark
How Stony Plain compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Stony Plain | ≈ 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 Stony Plain's Water Unique?
Local geology and source profile
The Town of Stony Plain water utility supplies residents in Stony Plain, Alberta, and surrounding areas of Parkland County. This mixed supply relies on both surface water from the North Saskatchewan River watershed and groundwater drawn from local aquifers. Water undergoes treatment at a primary facility before distribution to the community.
The region's geology features Cretaceous-age sedimentary formations, including significant layers of limestone and dolomite. These carbonate-rich rocks, common in central Alberta's geological landscape, are highly soluble. As precipitation filters through these formations into the underlying aquifer system, it picks up substantial amounts of calcium and magnesium, resulting in a naturally hard water supply.
Homeowners in Stony Plain may notice the effects of this hard water, such as scale buildup on faucets and inside kettles, and a diminished lather from soaps and detergents. Appliances like dishwashers and water heaters can also suffer reduced efficiency and a shorter lifespan due to mineral deposits. Installing a water softener is often recommended to counteract these issues. Regularly descaling fixtures and maintaining appliances can help manage the accumulation of mineral deposits.
Geology & Source: North Saskatchewan River watershed; Cretaceous limestone and Devonian dolomite produce hard water
Other Alberta Water Reports
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