South Surrey Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
160 mg/L
Est. Daily Cost
$0.20
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 Surrey, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In South Surrey | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.2 yrs | 8.5 yrs | -15% |
| Washing Machine | 10.9 yrs | 12 yrs | -9% |
| Water Heater | 12.7 yrs | 15 yrs | -15% |
Regional Water Comparison
How South Surrey compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ South Surrey, British Columbia | 73.5 mg/L | Medium | 🟡 Moderately Hard |
| White Rock, British Columbia | 70.5 mg/L | Medium | 🟡 Moderately Hard |
| Surrey, British Columbia | 6 mg/L | Low | 🟢 Soft |
| Surrey Centre, British Columbia | 58.5 mg/L | Medium | 🟢 Soft |
| Cloverdale, British Columbia | 31 mg/L | Low | 🟢 Soft |
National Benchmark
How South Surrey compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ South Surrey | 73.5 mg/L | 🟡 Low |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes South Surrey's Water Unique?
Local geology and source profile
South Surrey (the southern portion of Surrey, adjacent to White Rock) receives its drinking water from the City of Surrey's integrated water system, which blends Metro Vancouver (GVWD) mountain reservoir bulk supply with a significant proportion of local groundwater from the Abbotsford-Sumas Aquifer — a large and productive glaciofluvial aquifer underlying the Fraser-Whatcom lowland. Water is treated at Metro Vancouver's Seymour-Capilano Filtration Plant and Surrey's local well-water facilities using ozonation, biofiltration, UV disinfection, and chloramination, meeting all Guidelines for Canadian Drinking Water Quality (GCDWQ) standards. Hardness in the South Surrey distribution zone is 73.5 mg/L (4.3 gpg) — classified as moderately hard by Health Canada, elevated above the Metro Vancouver baseline due to aquifer blending.
The Abbotsford-Sumas Aquifer is one of BC's most important groundwater resources — a thick deposit of Quaternary glaciofluvial gravel and sand containing carbonate-cemented clasts eroded from Cretaceous Nanaimo Group limestone and sandstone outcrops. As groundwater percolates through this material, it picks up moderate levels of dissolved calcium, producing water significantly harder than Metro Vancouver's 4 mg/L mountain source. South Surrey's higher proportion of local aquifer supply compared to northern Surrey sub-zones produces the 73.5 mg/L hardness observed in this area.
At 73.5 mg/L, South Surrey residents experience moderate scale deposits on tap aerators and kettle elements — descaling every two to three months is appropriate. Hot water tanks operate reliably at this hardness. Surrey's annual water quality report provides zone-specific hardness data; residents can access it at surrey.ca to understand the specific supply characteristics of the South Surrey distribution network.
Geology & Source: Supplied by City of Surrey with significant Abbotsford-Sumas Aquifer groundwater blending — Metro Vancouver mountain reservoir supply mixed with Fraser Valley glaciofluvial aquifer water produces moderately hard supply at 73.5 mg/L (4.3 gpg) in the South Surrey–White Rock area.