Sydney Mines Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
174.7 mg/L
Est. Daily Cost
$0.21
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 Sydney Mines, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Sydney Mines | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.1 yrs | 8.5 yrs | -16% |
| Washing Machine | 10.8 yrs | 12 yrs | -10% |
| Water Heater | 12.5 yrs | 15 yrs | -17% |
Regional Water Comparison
How Sydney Mines compares to its nearest neighbours
| City | Hardness | Mineralization | Risk |
|---|---|---|---|
| ▶ Sydney Mines, Nova Scotia | 77 mg/L | Medium | 🟡 Moderately Hard |
| Sydney, Nova Scotia | 30 mg/L | Low | 🟢 Soft |
| Glace Bay, Nova Scotia | 62.5 mg/L | Medium | 🟡 Moderately Hard |
| Cap-aux-Meules, Quebec | 71 mg/L | Medium | 🟡 Moderately Hard |
| New Glasgow, Nova Scotia | 49.5 mg/L | Low | 🟢 Soft |
National Benchmark
How Sydney Mines compares to the Canada average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Sydney Mines | 77 mg/L | 🟡 Low |
| Canada National Avg | 141 mg/L | 🟠 Moderate |
| Vancouver Top Rated | 3 mg/L | 🟢 None |
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What Makes Sydney Mines's Water Unique?
Local geology and source profile
Sydney Mines's drinking water is managed by the Cape Breton Regional Municipality (CBRM), drawing from a local Cape Breton Island reservoir — Sydney Mines is a historic coal mining and steel community on the northern shore of Sydney Harbour in Cape Breton County, one of Atlantic Canada's most significant industrial heritage communities, the site of the former No. 1 Colliery and the Princess Colliery National Historic Site on the Harbour Shore, where the Sydney coalfield was mined continuously from the 1700s through the late 20th century, with deep-roots in the Cape Breton coal miners' union culture and the Highland Scots and Irish immigrant communities that settled the mining towns of industrial Cape Breton. Water undergoes coagulation, sedimentation, filtration, UV disinfection, and chloramination, fully meeting the Guidelines for Canadian Drinking Water Quality (GCDWQ). Hardness measures 77 mg/L (4.5 gpg) — classified as moderately hard by Health Canada, at the upper end of the Cape Breton supply range.
Sydney Mines's 77 mg/L is slightly harder than the Cape Breton reference (62.5 mg/L from reference data), suggesting this northern Cape Breton distribution sub-zone draws from a local reservoir with slightly higher mineral content, possibly influenced by the Carboniferous coal measures geology of the Sydney coalfield. The Sydney coalfield is underlain by Carboniferous limestone and dolostone (the Codroy Group carbonates and the Sydney Group) of the Cape Breton Highlands, which can contribute dissolved minerals to surface water in the Cape Breton coal-bearing basin.
At 77 mg/L, Sydney Mines homes experience light scale deposits — cleaning every two months is adequate. The elevated lead (0.005 mg/L) warrants attention in Sydney Mines's historic mining town housing stock. Health Canada lead precautionary guidance is important for pre-1975 properties in the established Sydney Mines heritage mining neighbourhoods. The Cape Breton Regional Municipality provides water quality information at cbrm.ns.ca.
Geology & Source: Supplied by a local Cape Breton Regional Municipality water system from a local Cape Breton Island reservoir — the Sydney Mines supply from the Cape Breton Highlands watershed produces moderately hard water at 77 mg/L (4.5 gpg), at the harder end of the Cape Breton Island supply range.