Prince Edward Water Hardness & Quality Report (2026)
Water Hardness
Source
lake
pH Level
8
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
483.3 mg/L
Est. Daily Cost
$0.54
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 Prince Edward, your appliances are currently losing 27% efficiency due to mineral buildup.
| Appliance | In Prince Edward | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2.9 yrs | 8.5 yrs | -66% |
| Washing Machine | 6.1 yrs | 12 yrs | -49% |
| Water Heater | 7.5 yrs | 15 yrs | -50% |
Regional Water Comparison
How Prince Edward compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Prince Edward, Ontario | 202.5 mg/L | Very High | 🔴 Very Hard |
| Belleville, Ontario | 110 mg/L | Medium | 🟡 Moderately Hard |
| Quinte West, Ontario | 166 mg/L | High | 🟠 Hard |
| Greater Napanee, Ontario | 169 mg/L | High | 🟠 Hard |
| Kingston, Ontario | 105 mg/L | Medium | 🟡 Moderately Hard |
National Benchmark
How Prince Edward compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Prince Edward | 202.5 mg/L | 🔴 High |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Prince Edward's Water Unique?
Local geology and source profile
Prince Edward County's drinking water is managed by the County of Prince Edward, drawing from Lake Ontario via the county's municipal water treatment plant — serving the Bay of Quinte peninsula community east of Trenton and west of Kingston. Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, meeting all Guidelines for Canadian Drinking Water Quality (GCDWQ) requirements. Hardness measures 202.5 mg/L (11.8 gpg) — classified as very hard by Health Canada, consistent with the eastern Lake Ontario corridor that includes Whitby (213 mg/L from batch 3), Brooklin (203 mg/L), and Bowmanville (201 mg/L from batch 10) — a characteristic eastern Lake Ontario hardness band.
Prince Edward County draws from the eastern basin of Lake Ontario in the Bay of Quinte — a long narrow bay formed by the Belleville Embayment where the Precambrian Shield meets the Ordovician and Silurian carbonate platform. Eastern Lake Ontario's hardness of ~200 mg/L reflects the accumulated carbonate load from the upper Great Lakes watershed plus local contributions from the Kingston–Belleville Silurian dolostone and limestone shelf that borders this portion of the lake. The 202.5 mg/L is consistent with eastern Lake Ontario's moderate-hardness band, which is softer than western Lake Ontario (230–278 mg/L at Niagara to Toronto).
At 202.5 mg/L, Prince Edward County residents face regular scale challenges — kettle and showerhead descaling every three to four weeks is typical. Hot water tanks benefit from annual inspection and flushing. The County of Prince Edward provides water quality information through county services. Prince Edward County's growing cultural tourism economy and wine country community profile brings many new residents from urban centres who should be aware of the characteristic very hard eastern Lake Ontario supply.
Geology & Source: Supplied by Prince Edward County from Lake Ontario via the county's municipal water treatment plant — Lake Ontario supply in the Bay of Quinte area of eastern Ontario carries very hard water at 202.5 mg/L (11.8 gpg).