Stoney Creek Water Hardness & Quality Report (2026)
Water Hardness
Source
lake
pH Level
8.2
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
591.5 mg/L
Est. Daily Cost
$0.65
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 Stoney Creek, your appliances are currently losing 32% efficiency due to mineral buildup.
| Appliance | In Stoney Creek | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.6 yrs | 8.5 yrs | -81% |
| Washing Machine | 4.6 yrs | 12 yrs | -62% |
| Water Heater | 5.9 yrs | 15 yrs | -61% |
Regional Water Comparison
How Stoney Creek compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Stoney Creek, Ontario | 242.5 mg/L | Very High | 🔴 Very Hard |
| Hamilton, Ontario | 140 mg/L | High | 🟠 Hard |
| Waterdown, Ontario | 171.5 mg/L | High | 🟠 Hard |
| Burlington, Ontario | 135 mg/L | High | 🟠 Hard |
| Grimsby, Ontario | 278.5 mg/L | Very High | 🔴 Very Hard |
National Benchmark
How Stoney Creek compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Stoney Creek | 242.5 mg/L | 🔴 High |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Stoney Creek's Water Unique?
Local geology and source profile
Stoney Creek (an east Hamilton community within the City of Hamilton) receives its drinking water from the City of Hamilton, drawing from Lake Ontario via the Woodward Avenue Water Treatment Plant in Hamilton's east end. Water is treated with coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness in the Stoney Creek distribution zone is 242.5 mg/L (14.2 gpg) — classified as very hard by Health Canada, elevated compared to the city's lake baseline due to the Niagara Escarpment dolostone geology that dominates Stoney Creek's upland watershed.
Stoney Creek sits between Lake Ontario and the Niagara Escarpment — a ridge of Silurian Lockport dolostone that rises sharply behind the community. The Stoney Creek distribution zone incorporates groundwater from local wells tapping the highly soluble dolostone aquifer in the escarpment face and plateau, blending with Lake Ontario supply to produce the very high 242.5 mg/L hardness. The Saltfleet and Binbrook upland areas behind Stoney Creek sit directly on the Escarpment carbonate formations, maximising the dolostone groundwater contribution.
At 242.5 mg/L, Stoney Creek homeowners face serious scale challenges — kettle descaling every one to two weeks is common, and hot water tank heating elements accumulate heavy scale within months without regular maintenance. The City of Hamilton strongly recommends annual hot water tank inspection and flushing in Stoney Creek. A whole-home water softener is a practical investment in this community — at nearly 250 mg/L, the long-term cost savings in appliance maintenance, reduced detergent use, and plumbing protection make softener installation financially worthwhile within a few years.
Geology & Source: Supplied by City of Hamilton from Lake Ontario via the Woodward Avenue Water Treatment Plant — Great Lakes basin carbonate supply combined with Niagara Escarpment dolostone watershed influence in the Stoney Creek area produces very hard water at 242.5 mg/L (14.2 gpg).