Arbour Lake Water Hardness & Quality Report (2026)
Water Hardness
Source
river
pH Level
8.1
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
474.8 mg/L
Est. Daily Cost
$0.61
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 Arbour Lake, your appliances are currently losing 31% efficiency due to mineral buildup.
| Appliance | In Arbour Lake | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2 yrs | 8.5 yrs | -76% |
| Washing Machine | 5.1 yrs | 12 yrs | -58% |
| Water Heater | 6.4 yrs | 15 yrs | -57% |
Regional Water Comparison
How Arbour Lake compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Arbour Lake, Alberta | 229 mg/L | Very High | 🔴 Very Hard |
| Royal Oak, Alberta | 215.5 mg/L | Very High | 🔴 Very Hard |
| Citadel, Alberta | 234.5 mg/L | Very High | 🔴 Very Hard |
| Tuscany, Alberta | 238.5 mg/L | Very High | 🔴 Very Hard |
| Edgemont, Alberta | 255.5 mg/L | Very High | 🔴 Very Hard |
National Benchmark
How Arbour Lake compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Arbour Lake | 229 mg/L | 🔴 High |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Arbour Lake's Water Unique?
Local geology and source profile
Arbour Lake's drinking water is managed by the City of Calgary, drawing from the Bow River at the Bearspaw Water Treatment Plant — Arbour Lake is a residential neighbourhood in the far northwest quadrant of Calgary, one of Calgary's planned residential communities centred around the private Arbour Lake (a constructed recreational lake in the community), developed in the 1980s–1990s as an outer northwest Calgary suburb with the characteristic Calgary community amenity model, adjacent to the Crowchild Trail-Stoney Trail northwest ring road interchange, the YMCA Crowchild community, and the Nosehill Park natural prairie reserve, one of the outer-ring Calgary communities at the foothills suburban-natural transition. Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness in Arbour Lake is 229 mg/L (13.4 gpg) — classified as very hard by Health Canada, consistent with the Bearspaw plant outer northwest Calgary distribution.
Arbour Lake draws from the Bow River Bearspaw plant supply serving the outer northwest Calgary distribution. At 229 mg/L, Arbour Lake is in the standard Bearspaw plant northwest Calgary range, consistent with the adjacent Royal Oak (215.5 mg/L from batch 33) and Varsity (249 mg/L from batch 32) northwest Calgary sub-zones. The Bow River carries dissolved Devonian carbonate from the Rocky Mountain Front Ranges, producing very hard supply throughout the Calgary system.
At 229 mg/L, Arbour Lake homeowners face persistent scale challenges — monthly to bimonthly kettle and showerhead descaling is typical. Hot water tanks benefit from periodic inspection. The City of Calgary provides water quality information at calgary.ca/water. Health Canada lead precautionary guidance applies to properties in the established Arbour Lake neighbourhood.
Geology & Source: Supplied by City of Calgary from the Bow River via the Bearspaw Water Treatment Plant — the Arbour Lake far northwest Calgary distribution sub-zone carries very hard supply at 229 mg/L (13.4 gpg), consistent with the Bearspaw plant outer northwest Calgary distribution.