Temiskaming Shores Water Hardness & Quality Report (2026)
Water Hardness
Source
lake
pH Level
7.8
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
338.8 mg/L
Est. Daily Cost
$0.37
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 Temiskaming Shores, your appliances are currently losing 18% efficiency due to mineral buildup.
| Appliance | In Temiskaming Shores | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 5.1 yrs | 8.5 yrs | -40% |
| Washing Machine | 8.5 yrs | 12 yrs | -29% |
| Water Heater | 10.1 yrs | 15 yrs | -33% |
Regional Water Comparison
How Temiskaming Shores compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Temiskaming Shores, Ontario | 137 mg/L | High | 🟠 Hard |
| Rouyn-Noranda, Quebec | 35 mg/L | Low | 🟢 Soft |
| West Nipissing, Ontario | 63 mg/L | Medium | 🟡 Moderately Hard |
| North Bay, Ontario | 45 mg/L | Low | 🟢 Soft |
| Valley East, Ontario | 98 mg/L | Medium | 🟡 Moderately Hard |
National Benchmark
How Temiskaming Shores compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Temiskaming Shores | 137 mg/L | 🟠 Moderate |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Temiskaming Shores's Water Unique?
Local geology and source profile
Temiskaming Shores's drinking water is managed by the City of Temiskaming Shores, drawing from Lake Timiskaming (Lac Témiscamingue) — Temiskaming Shores is a northern Ontario city at the southern end of Lake Timiskaming on the Ontario-Quebec border in the Timiskaming District, encompassing the communities of New Liskeard (the agricultural 'Little Clay Belt' market town), Haileybury (once the Silver Capital of Canada's Cobalt silver rush boom town and still home to the Northern College mining technology faculty), and Cobalt nearby (one of Canada's most storied silver mining towns of the 1903–1930 era, now a heritage mining tourism destination). Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness measures 137 mg/L (8.0 gpg) — classified as hard by Health Canada, consistent with the Lake Timiskaming Rift Valley basin geology.
Temiskaming Shores draws from Lake Timiskaming — a deepwater lake occupying the Timiskaming Rift Valley, a Precambrian rift structure in the Canadian Shield. The lake drains the Ottawa River headwaters, carrying dissolved minerals from the Precambrian Grenville Province gneiss and the surrounding Ordovician and Silurian carbonate sediments of the Timiskaming Syncline and the Cobalt Series metamorphic rocks, producing moderately hard water at 137 mg/L — harder than the standard Ottawa River supply (116–120 mg/L from reference data) due to the specific Lake Timiskaming basin carbonate input and the longer water residence time in the deep lake.
At 137 mg/L, Temiskaming Shores homes experience moderate scale deposits — monthly kettle and showerhead cleaning is typical. The City of Temiskaming Shores provides water quality information through the municipal offices. Health Canada lead precautionary guidance applies to pre-1975 properties in the historic New Liskeard, Haileybury, and Cobalt-area heritage residential buildings, some of which date from the 1905–1920 silver boom era.
Geology & Source: Supplied by the City of Temiskaming Shores from Lake Timiskaming — the Temiskaming Shores supply from the Lake Timiskaming rift valley produces hard water at 137 mg/L (8.0 gpg), consistent with the Lake Timiskaming basin geology in northern Ontario.