South Granville Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.1
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
27.2 mg/L
Est. Daily Cost
$0.04
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 South Granville, your appliances are currently losing 2% efficiency due to mineral buildup.
| Appliance | In South Granville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 9.1 yrs | 8.5 yrs | — |
| Washing Machine | 13 yrs | 12 yrs | — |
| Water Heater | 14.9 yrs | 15 yrs | -1% |
Regional Water Comparison
How South Granville compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ South Granville, British Columbia | 16.5 mg/L | Low | 🟢 Soft |
| Fairview, British Columbia | 44 mg/L | Low | 🟢 Soft |
| Downtown Vancouver, British Columbia | 65 mg/L | Medium | 🟡 Moderately Hard |
| Davie Village, British Columbia | 81 mg/L | Medium | 🟡 Moderately Hard |
| Vancouver, British Columbia | 3 mg/L | Low | 🟢 Soft |
National Benchmark
How South Granville compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ South Granville | 16.5 mg/L | 🟢 None |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes South Granville's Water Unique?
Local geology and source profile
South Granville (one of Vancouver's most prestigious west-side neighbourhoods — the Granville Street arts and gallery district between Broadway and 16th Avenue, known for its art galleries, antique shops, and historic apartment buildings, bordering the upscale Shaughnessy and Kerrisdale communities) receives its drinking water through the City of Vancouver, purchasing bulk supply from Metro Vancouver (GVWD) — sourced from the protected Capilano, Seymour, and Coquitlam mountain watersheds. Water is treated at the Seymour-Capilano Filtration Plant using ozonation, biofiltration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness in the South Granville distribution zone is 16.5 mg/L (1.0 gpg) — classified as soft by Health Canada, among the softest in the entire Metro Vancouver metropolitan area.
South Granville's 16.5 mg/L represents near-distilled-water softness — the Coast Mountain granodiorite and gneiss of Metro Vancouver's Capilano and Seymour watersheds release almost no dissolved calcium, producing some of the world's softest major-city municipal supplies. South Granville's position in the west-side Vancouver core distribution network, receiving supply through short distribution mains directly from the main transmission corridor, results in minimal additional mineral pickup — yielding this remarkably soft reading.
With 16.5 mg/L of hardness, South Granville homes are entirely scale-free — kettles and appliances require almost no descaling. However, the extremely soft and slightly acidic supply can be mildly corrosive to metallic plumbing; the City of Vancouver's Health Canada lead precautionary guidance is particularly important for South Granville's large stock of elegant pre-1940 apartment buildings and character homes, many with heritage plumbing. Vancouver provides water quality and lead programme information at vancouver.ca.
Geology & Source: Supplied by City of Vancouver from Metro Vancouver (GVWD) mountain reservoir water — the South Granville west-side Vancouver distribution zone retains some of the softest city-of-Vancouver character at 16.5 mg/L (1.0 gpg).