Summerland Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.4
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
134 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 Summerland, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Summerland | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.2 yrs | 8.5 yrs | -15% |
| Washing Machine | 10.9 yrs | 12 yrs | -9% |
| Water Heater | 12.6 yrs | 15 yrs | -16% |
Regional Water Comparison
How Summerland compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Summerland, British Columbia | 74 mg/L | Medium | 🟡 Moderately Hard |
| Penticton, British Columbia | 113.5 mg/L | High | 🟡 Moderately Hard |
| West Kelowna, British Columbia | 83.5 mg/L | Medium | 🟡 Moderately Hard |
| Okanagan Mission, British Columbia | 99.5 mg/L | Medium | 🟡 Moderately Hard |
| Kelowna, British Columbia | 65 mg/L | Medium | 🟡 Moderately Hard |
National Benchmark
How Summerland compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Summerland | 74 mg/L | 🟡 Low |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Summerland's Water Unique?
Local geology and source profile
Summerland's drinking water is managed by the District of Summerland, drawing from Okanagan Lake or a local Okanagan watershed reservoir — Summerland is a picturesque district municipality on the west shore of Okanagan Lake in the Regional District of Okanagan-Similkameen, the heart of BC's Okanagan fruit-growing country, famous for its orchards, vineyards (Summerland Winery Trail), and the stunning Kettle Valley Railway Myra Canyon Trestles cycling trail above the town, a resort-retirement community renowned for Okanagan peaches, cherries, and apples and the summer beach culture of Rotary Beach and Okanagan Lake. Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness measures 74 mg/L (4.3 gpg) — classified as moderately hard by Health Canada, consistent with the lower-mid Okanagan Valley lake supply range.
Summerland draws from Okanagan Lake or a local Summerland watershed reservoir at the Okanagan Lake west shore — Okanagan Lake receives inflow from the Okanagan Highland watershed terrain of Eocene and Jurassic granitic and volcanic rocks of the Okanagan Metamorphic Complex, with moderate carbonate dissolution from the valley floor soils and the Tertiary lake sediments of the Okanagan Valley. The 74 mg/L for Summerland is in the lower-mid Okanagan range (session reference: Okanagan ~65–132 mg/L; Lake Country 79.5 mg/L), consistent with the central Okanagan Lake watershed supply.
At 74 mg/L, Summerland homes experience light scale deposits — cleaning every two months is adequate. Hot water tanks have a reliable operational lifespan. The District of Summerland provides water quality information at summerland.ca. Health Canada lead precautionary guidance applies to pre-1975 properties in the historic Summerland heritage townsite near the Okanagan Lake waterfront.
Geology & Source: Supplied by the District of Summerland from Okanagan Lake or a local Okanagan watershed reservoir — the Summerland supply from the Okanagan Valley south produces moderately hard water at 74 mg/L (4.3 gpg), consistent with the lower-mid Okanagan Valley lake supply range.