Brunswick Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.6
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
176.6 mg/L
Est. Daily Cost
A$0.26
energy & soap waste
Source: BOM National Performance Report & ADWG · 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 Brunswick, your appliances are currently losing 11% efficiency due to mineral buildup.
| Appliance | In Brunswick | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.9 yrs | 8.5 yrs | -19% |
| Washing Machine | 10.5 yrs | 12 yrs | -13% |
| Water Heater | 12.3 yrs | 15 yrs | -18% |
Regional Water Comparison
How Brunswick compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Brunswick, Victoria | 82.5 mg/L | 🟡 Moderately Hard | reservoir |
| Brunswick East, Victoria | 82.5 mg/L | 🟡 Moderately Hard | reservoir |
| Coburg, Victoria | 83 mg/L | 🟡 Moderately Hard | reservoir |
| Brunswick West, Victoria | 82.5 mg/L | 🟡 Moderately Hard | reservoir |
| Fitzroy North, Victoria | 50.5 mg/L | 🟢 Soft | reservoir |
National Benchmark
How Brunswick compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Brunswick | 82.5 mg/L | 🟡 Low |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Brunswick's Water Unique?
Local geology and source profile
Brunswick's drinking water is supplied by City West Water as water retailer, with bulk supply from Melbourne Water distributed through the inner northern metropolitan network in Victoria. Water hardness in Brunswick is measured at 82.5 mg/L — classified as slightly hard — within the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Brunswick, in the Merri-bek LGA of Melbourne's inner north — one of Melbourne's most culturally vibrant and rapidly developing inner suburbs — shares virtually identical supply characteristics with adjacent Coburg (83 mg/L), confirming that both suburbs occupy the same Winneke Water Treatment Plant-influenced distribution zone in the inner northern Melbourne network.
Brunswick's slightly elevated hardness reflects the Winneke Water Treatment Plant contribution to the inner north City West Water distribution zone. The Winneke plant at Yering Gorge draws from the Yarra River, which traverses Devonian basalt and alluvial valley sediments dissolving measurably more calcium and magnesium than Melbourne's protected granite reservoir catchments. The inner northern Merri-bek distribution zone — encompassing Brunswick, Coburg, and adjacent suburbs — consistently receives a proportionally higher Winneke-sourced supply blend that raises hardness above the Melbourne CBD baseline.
Brunswick residents can expect occasional moderate limescale deposits on taps and in kettles — descaling every two to three months is typically adequate. The vibrant café and hospitality precinct on Sydney Road is well served by the moderate hardness, as coffee-making at this level produces pleasant extraction without excessive mineral interference. Hot water systems benefit from periodic inspection. The elevated lead reading (0.004 mg/L) warrants briefly running the cold tap before use in Brunswick's extensive pre-1940 housing stock. City West Water provides water quality information at citywestwater.com.au, with all ADWG health standards met.
Geology & Source: Supplied by City West Water (water retailer) and Melbourne Water (wholesale) via the inner north Melbourne distribution, incorporating supply from the Winneke Water Treatment Plant on the Yarra River — the Brunswick Merri-bek inner north supply carries slightly hard water at 82.5 mg/L, consistent with adjacent Coburg (83 mg/L), reflecting the Winneke WTP contribution to the inner northern Melbourne distribution corridor.