Coldstream Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
198.7 mg/L
Est. Daily Cost
$0.26
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 Coldstream, your appliances are currently losing 13% efficiency due to mineral buildup.
| Appliance | In Coldstream | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.3 yrs | 8.5 yrs | -26% |
| Washing Machine | 9.9 yrs | 12 yrs | -17% |
| Water Heater | 11.6 yrs | 15 yrs | -23% |
Regional Water Comparison
How Coldstream compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Coldstream, British Columbia | 99 mg/L | Medium | 🟡 Moderately Hard |
| Vernon, British Columbia | 132 mg/L | High | 🟠 Hard |
| Lake Country, British Columbia | 79.5 mg/L | Medium | 🟡 Moderately Hard |
| Rutland, British Columbia | 101 mg/L | Medium | 🟡 Moderately Hard |
| Kelowna, British Columbia | 65 mg/L | Medium | 🟡 Moderately Hard |
National Benchmark
How Coldstream compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Coldstream | 99 mg/L | 🟡 Low |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Coldstream's Water Unique?
Local geology and source profile
Coldstream's drinking water is managed by the District of Coldstream, drawing from a local North Okanagan watershed reservoir or from Kalamalka Lake — Coldstream is an agricultural and residential municipality in the Regional District of North Okanagan on the east side of the Coldstream Valley adjacent to Vernon, a community of horse farms, orchard properties, and rural residential estates on the Coldstream Creek valley floor below the Vernon BX Ranch plateau, home to the historic Coldstream Ranch (established by the Forbes-Vernon family in the 1860s and later owned by Lord Aberdeen, one of BC's largest heritage agricultural estates), and a community defined by the pastoral, horse-country character of the northern Okanagan Valley bottom land. Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness measures 99 mg/L (5.8 gpg) — classified as moderately hard by Health Canada, consistent with the North Okanagan supply character.
Coldstream draws from a local North Okanagan watershed or Kalamalka Lake — Kalamalka Lake (Kalamalka means 'lake of many colours' in Okanagan Indigenous language) is set in the North Okanagan Metamorphic Complex of the Okanagan Highland, with Jurassic and Cretaceous granodiorite and metamorphic rock terrain producing moderate mineral dissolution. At 99 mg/L, Coldstream is in the mid-Okanagan range (Okanagan 65–132 mg/L from reference data), consistent with the Kamloops-adjacent hillside supply character (Aberdeen 106 mg/L, Sahali 105 mg/L from batch 31) and the North Okanagan valley water character.
At 99 mg/L, Coldstream homes experience light to moderate scale deposits — cleaning every two months is advisable. The District of Coldstream provides water quality information at districtofcoldstream.ca. Health Canada lead precautionary guidance applies to pre-1975 properties in the historic Coldstream Ranch-adjacent heritage residential community.
Geology & Source: Supplied by the District of Coldstream from a local North Okanagan watershed reservoir — the Coldstream supply from the Coldstream Valley watershed adjacent to Vernon produces moderately hard water at 99 mg/L (5.8 gpg), consistent with the North Okanagan supply character.