Dunbar-Southlands Water Hardness & Quality Report (2026)
Water Hardness
~0–59 mg/L
Softestimated · not lab-verified
Source
reservoir
pH Level
7
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
78.5 mg/L
Est. Daily Cost
$0.08
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 Dunbar-Southlands, your appliances are currently losing 4% efficiency due to mineral buildup.
| Appliance | In Dunbar-Southlands | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.2 yrs | 8.5 yrs | -4% |
| Washing Machine | 11.5 yrs | 12 yrs | -4% |
| Water Heater | 14.4 yrs | 15 yrs | -4% |
Regional Water Comparison
How Dunbar-Southlands compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Dunbar-Southlands, British Columbia | ≈ 0–59 mg/L | Low | 🟢 Soft |
| Arbutus Ridge, British Columbia | ≈ 180+ mg/L | Very High | 🔴 Very Hard |
| West Point Grey, British Columbia | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
| Kitsilano, British Columbia | ≈ 0–60 mg/L | Low | 🟢 Soft |
| Kerrisdale, British Columbia | ≈ 60–120 mg/L | Medium | 🟡 Moderately Hard |
National Benchmark
How Dunbar-Southlands compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Dunbar-Southlands | ≈ 0–59 mg/L | 🟢 None |
| Canada National Avg | 140 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Dunbar-Southlands's Water Unique?
Local geology and source profile
Metro Vancouver Regional District supplies water to Dunbar-Southlands, a residential neighbourhood in Vancouver, British Columbia, Canada. The utility draws from three main reservoirs: Capilano Reservoir, Seymour Reservoir, and Coquitlam Reservoir, managed under the Greater Vancouver Water District. Water is treated at three advanced facilities—the Capilano River Treatment Plant, Seymour-Capilano Filtration Plant, and Coquitlam Water Treatment Plant—using processes like ozonation, UV disinfection, and filtration before distribution through 2,700 km of pipes serving over 2.7 million residents across 21 member municipalities. The supply is protected within the Capilano Watershed, Seymour Watershed, and Coquitlam Watershed, featuring old-growth temperate rainforest on granitic bedrock of the Pacific Rim Terrane.
The region's geology features steep, glaciated terrain with thin soils and minimal limestone or dolomite. The watersheds drain granitic and volcanic rock formations from the Jurassic and Tertiary periods, including Coast Belt plutonic complexes dominated by quartz diorite and granodiorite. Glacial till and fractured plutonics limit mineral dissolution, yielding very soft water with low alkalinity from coniferous-dominated catchments and abundant precipitation. No significant aquifers are tapped; surface runoff shapes the soft character through rapid infiltration and minimal evaporative concentration.
Because the water is soft, it leaves minimal scale buildup, sparing kettles, coffee makers, and pipes from calcification—ideal for longevity without frequent descaling. Laundry detergents and soaps lather easily, reducing usage, though very soft profiles may slightly corrode older galvanized fixtures if pH dips. Metro Vancouver's 2023 report shows excellent compliance: pH 7.2–7.8, total coliform absent, no E. coli. Lead and copper levels are well under Canadian guidelines. No PFAS detections above limits; trace organics managed by ozonation. Fluoride is adjusted to 0.7 mg/L.
Geology & Source: Coast Mountains granitic and volcanic terrain; quartz diorite and granodiorite produce very soft water
Other British Columbia Water Reports
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