Edenbridge-Humber Valley 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
598.5 mg/L
Est. Daily Cost
$0.63
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 Edenbridge-Humber Valley, your appliances are currently losing 32% efficiency due to mineral buildup.
| Appliance | In Edenbridge-Humber Valley | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.8 yrs | 8.5 yrs | -79% |
| Washing Machine | 4.8 yrs | 12 yrs | -60% |
| Water Heater | 6.1 yrs | 15 yrs | -59% |
Regional Water Comparison
How Edenbridge-Humber Valley compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Edenbridge-Humber Valley, Ontario | 237.5 mg/L | Very High | 🔴 Very Hard |
| Humber Heights-Westmount, Ontario | 239.5 mg/L | Very High | 🔴 Very Hard |
| Princess-Rosethorn, Ontario | 240 mg/L | Very High | 🔴 Very Hard |
| Rockcliffe-Smythe, Ontario | 238.5 mg/L | Very High | 🔴 Very Hard |
| Weston, Ontario | 155 mg/L | High | 🟠 Hard |
National Benchmark
How Edenbridge-Humber Valley compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Edenbridge-Humber Valley | 237.5 mg/L | 🔴 High |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Edenbridge-Humber Valley's Water Unique?
Local geology and source profile
Edenbridge-Humber Valley (a west Etobicoke neighbourhood in the Humber Valley ravine corridor near Islington and Edenbridge Drive — a prestigious mid-century residential enclave of large detached homes and estate properties in the wooded Humber River valley setting, adjacent to St. George's Golf and Country Club and the old village charm of Humber Valley Village, one of Toronto's most scenic and sought-after residential neighbourhoods along the ravine system) receives its drinking water from the City of Toronto, drawing from Lake Ontario via the F.J. Horgan Water Treatment Plant. Water is treated using ozonation, biofiltration, UV disinfection, and chloramination, meeting all Guidelines for Canadian Drinking Water Quality (GCDWQ) standards. Hardness in this distribution zone is 237.5 mg/L (13.9 gpg) — classified as very hard by Health Canada, consistent with the west Etobicoke supply corridor.
Edenbridge-Humber Valley receives F.J. Horgan plant Lake Ontario supply through the west Etobicoke distribution network — the same characteristically very hard Lake Ontario source (dissolved Silurian and Devonian carbonate from the Great Lakes basin) as all Toronto boroughs. The 237.5 mg/L is consistent with the adjacent Eringate-Centennial-West Deane (238 mg/L) and other west Etobicoke F.J. Horgan distribution zones.
At 237.5 mg/L, Edenbridge-Humber Valley homeowners face persistent scale challenges — kettle and showerhead descaling every one to two weeks is typical. Hot water tanks benefit from annual inspection and flushing. The City of Toronto provides water quality information at toronto.ca/water. Health Canada lead service line precautionary guidance applies to the neighbourhood's post-war and 1960s estate housing for pre-1955 properties, and the City's lead service line replacement programme should be consulted for all pre-1975 homes.
Geology & Source: Supplied by City of Toronto from Lake Ontario via the F.J. Horgan Water Treatment Plant — the Edenbridge-Humber Valley west Etobicoke distribution zone carries very hard water at 237.5 mg/L (13.9 gpg), consistent with the Islington–Humber Valley west Etobicoke supply corridor.