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Sydney Drinking Water Quality
By OpenStats · Built from official Canadian sources
Regional estimateC
Water quality grade
Fair
Graded against Health Canada drinking water guidelines
Lead within guidelinepH in range
Hardness vs provincial average270 mg/L · prov. avg 179 mg/L
Lead vs provincial average0.6 μg/L · prov. avg 0.4 μg/L
Hardness
270 mg/L
Lead
0.6 μg/L
≤ 5 μg/L
pH
6.8
6.5–8.5 range
Hardness
270 mg/L
Very hard
Lead
0.6 μg/L
Max: 5 μg/L
pH
6.8
6.5–8.5
Chlorine
1.1 mg/L
Max: 4 mg/L
From source to sink
Where Sydney water comes from
Lakes, rivers, wells, and treatment plants behind the kitchen tap, in plain language. Chemistry grades above are a separate lab snapshot; this section is the route the water travels.
Open the full tap storyOn the map
Where Sydney water lives
Source waters and treatment plants pinned from published utility names. Open a pin below for the full OpenStreetMap view.
- CitySydney
Municipal service area
- Treatment plantCBRM Sydney Water Treatment Plant (Middle Lake Road Wellfield)
Approximate pin near Sydney (exact plant coordinates pending)
Map data © OpenStreetMap contributors. Pins are approximate for orientation, not legal survey points.
Where it starts
Groundwater
Research confidence: high
Named source waters
- Middle Lake Road Wellfield / Sydney Wellfield (fractured bedrock; ~11 production wells)
Treatment plants
CBRM Sydney Water Treatment Plant (Middle Lake Road Wellfield)
CBRM lists a distinct Sydney treatment plant serving Sydney, Coxheath, Westmount, Sydney River, Grand Lake Road, Mira Road, Membertou, South Bar, Prime Brook, and Pine Tree Park. Wellfield commissioned 1996 to replace Sydney’s former five-lakes surface supply. Pottle Lake membrane plant serves Northside only - not downtown Sydney.
How it reaches your street
Cape Breton Regional Municipality operates seven distinct supply areas. Sydney area is the Middle Lake Road Wellfield; other CBRM communities use separate surface plants (Pottle Lake, MacAskill Brook, Waterford/Kilkenny, Kelly Lake) or small community wells.
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Best for hardness ≥ 180 mg/L
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Partner
Lab water test for Sydney taps
Municipal reports cover the plant. A Tap Score kit tests the water at a Sydney tap for a broader contaminant panel.
Lab kit partner link. We may earn a commission when tracking is active.
Reading this page
Sydney's most recent drinking water sample (2026-07-22) reports hardness of 270 mg/L, classified as very hard, and pH 6.8, drawn from a surface water source and treated at Sydney Water Treatment Plant. Lead measured 0.6 μg/L and fluoride 0.5 mg/L.
Free chlorine measured 1.1 mg/L in this sample. No E. coli was detected in this sample.
Sydney's hardness of 270 mg/L is above the Nova Scotia average of 179 mg/L across 5 tracked municipalities, with a provincial average pH of 7.3.
These readings summarize a single compliance snapshot, not a certification of the water reaching your tap. Test your own water periodically, especially on a private well, and consider a softener if hardness is classified hard or very hard.
How to use this page: read the headline metrics first, then where the water comes from (map and tap story), then the parameter table and source footer.
Health parameters meet Health Canada limits; turbidity above the 1 NTU typical target and very hard water.
One or more parameters exceed a Health Canada drinking water guideline or turbidity target.
Figure 1 · From source to sink
How drinking water reaches your tap
Compared to provincial average
Nova Scotia · 5 cities in sample
Hardness (city vs Nova Scotia avg)270 mg/L
pH (city vs Nova Scotia avg)6.8
Lead (city vs Nova Scotia avg)0.6 μg/L
Fluoride (city vs Nova Scotia avg)0.5 mg/L
Provincial average: hardness 179 mg/L · pH 7.3 · lead 0.4 μg/L · fluoride 0.5 mg/L
Full parameters
| Parameter | Reading | Health Canada guideline | Status |
|---|---|---|---|
| Hardness | 270 mg/L | No health limit (aesthetic) | Compliant |
| pH | 6.8 | 6.5–8.5 | Compliant |
| Lead | 0.6 μg/L | ≤ 5 μg/L | Compliant |
| Fluoride | 0.5 mg/L | ≤ 1.5 mg/L | Compliant |
| Chlorine (free) | 1.1 mg/L | ≤ 4 mg/L | Compliant |
| Turbidity | 3.1 NTU | ≤ 1 NTU (typical target) | Exceeds guideline |
Alberta water licences
WaterRegister.ca
On a private well or holding an Alberta water allocation licence? Water Register maps EPA licence records, transfer comparables, and watershed context across the province.
Explore WaterRegister.ca →Water softeners for hard water
Very hard water. Whole-house softeners are the high-ticket fit; salt and test kits support the install.
As an Amazon Associate, OpenStats earns from qualifying purchases.
· Compare options- Shop on Amazon.caWhole-house water softenerBest for hardness ≥ 180 mg/L
- Shop on Amazon.caSoftener saltOngoing supply (high repurchase)
- Shop on Amazon.caWater descalerScale reduction without salt
- Shop on Amazon.caWater hardness test stripsConfirm mg/L before sizing a unit
- Shop on Amazon.caTDS meterQuick dissolved-solids check
Source · ECCC / municipal open data (seed). Last updated 2026-07-22. Refreshed on the site's automated schedule.