Norfolk County Water Hardness & Quality Report (2026)
Water Hardness
Source
lake
pH Level
7.8
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
410.7 mg/L
Est. Daily Cost
$0.53
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 Norfolk County, your appliances are currently losing 26% efficiency due to mineral buildup.
| Appliance | In Norfolk County | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.1 yrs | 8.5 yrs | -64% |
| Washing Machine | 6.3 yrs | 12 yrs | -48% |
| Water Heater | 7.7 yrs | 15 yrs | -49% |
Regional Water Comparison
How Norfolk County compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Norfolk County, Ontario | 198 mg/L | Very High | 🔴 Very Hard |
| Simcoe, Ontario | 303 mg/L | Very High | 🔴 Very Hard |
| Brant, Ontario | 290.5 mg/L | Very High | 🔴 Very Hard |
| Brantford, Ontario | 291 mg/L | Very High | 🔴 Very Hard |
| Tillsonburg, Ontario | 199.5 mg/L | Very High | 🔴 Very Hard |
National Benchmark
How Norfolk County compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Norfolk County | 198 mg/L | 🔴 High |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Norfolk County's Water Unique?
Local geology and source profile
Norfolk County's drinking water is managed by Norfolk County, drawing from Lake Erie via the Port Dover Water Treatment Plant on Lake Erie's north shore — the primary surface water intake for the county's municipal water system. Water is treated with coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness measures 198 mg/L (11.6 gpg) — classified as very hard by Health Canada, consistent with Lake Erie's characteristically hard chemistry from the surrounding Silurian and Devonian carbonate geology of the Michigan and Erie basins.
Lake Erie is the shallowest and warmest of the Great Lakes, draining a highly calcareous watershed dominated by Silurian and Devonian limestone, dolostone, and evaporite formations of the Michigan Basin and Appalachian Plateau south shore. The lake's shallow depth and long residence time allow dissolved mineral concentrations to build significantly, producing harder water than Lakes Superior, Huron, or Ontario at equivalent latitude. Norfolk County's Lake Erie intake at Port Dover reflects this carbonate-dominated chemistry, producing the consistently hard 198 mg/L supply.
At 198 mg/L, Norfolk County homes face persistent scale build-up on kettle elements, showerheads, and inside hot water tanks — monthly kettle descaling is typical. Hot water tank elements accumulate scale within one to two years; annual inspection and flushing are strongly recommended. A whole-home water softener is a common and practical household investment across Norfolk County, particularly for rural properties that have recently connected to municipal water after relying on private wells with similar or harder hardness levels. Norfolk County provides water quality information and reporting at norfolkcounty.ca.
Geology & Source: Supplied by Norfolk County from Lake Erie via the Port Dover Water Treatment Plant — Lake Erie's Silurian and Devonian carbonate basin chemistry delivers very hard water at 198 mg/L (11.6 gpg).