Altona Meadows Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.1
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
35 mg/L
Est. Daily Cost
A$0.06
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 Altona Meadows, your appliances are currently losing 3% efficiency due to mineral buildup.
| Appliance | In Altona Meadows | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.9 yrs | 8.5 yrs | — |
| Washing Machine | 12.8 yrs | 12 yrs | — |
| Water Heater | 14.8 yrs | 15 yrs | -1% |
Regional Water Comparison
How Altona Meadows compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Altona Meadows, Victoria | 20.5 mg/L | 🟢 Soft | reservoir |
| Point Cook, Victoria | 70 mg/L | 🟡 Moderately Hard | reservoir |
| Altona, Victoria | 42 mg/L | 🟢 Soft | reservoir |
| Truganina, Victoria | 111 mg/L | 🟡 Moderately Hard | reservoir |
| Altona North, Victoria | 49 mg/L | 🟢 Soft | reservoir |
National Benchmark
How Altona Meadows compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Altona Meadows | 20.5 mg/L | 🟢 None |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Altona Meadows's Water Unique?
Local geology and source profile
Altona Meadows' drinking water is supplied by City West Water as water retailer, with bulk supply from Melbourne Water drawn from the Thomson Reservoir and Upper Yarra Reservoir catchments in the Yarra Ranges, Victoria. Water hardness in Altona Meadows is measured at 20.5 mg/L — classified as very soft — far below the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Altona Meadows, in the Hobsons Bay LGA on Port Phillip Bay's south-western coastal fringe — a quiet residential suburb of contemporary homes and the Altona Meadows wetlands nature reserve — shares identical supply hardness with adjacent Sunshine West (20.5 mg/L) across the LGA boundary in Brimbank, confirming the consistent very soft character of the inner western City West Water coastal corridor.
Altona Meadows' very soft supply reflects a distribution sub-zone that receives predominantly direct Thomson and Upper Yarra reservoir supply with minimal Winneke Water Treatment Plant contribution. The Thomson and Upper Yarra storages drain across Devonian granite and rhyodacite — highly resistant igneous terrain contributing negligible dissolved minerals. The Altona Meadows Hobsons Bay inner south-west distribution zone at 20.5 mg/L is consistent with the City West Water inner western coastal plain supply character, where direct Yarra Ranges reservoir supply dominates the blend.
Altona Meadows residents enjoy very low limescale accumulation on taps, in kettles, and around shower fittings — descaling is infrequent. Hot water systems accumulate minimal scale throughout their service life. City West Water provides water quality information at citywestwater.com.au, with all ADWG health standards consistently met. The very soft supply benefits Altona Meadows' growing community along Melbourne's inner south-west coastal strip, and residents in newer estates have no appliance scale concerns in recently commissioned household plumbing.
Geology & Source: Supplied by City West Water (water retailer) and Melbourne Water (wholesale) from the Thomson Reservoir and Upper Yarra catchment systems — the Altona Meadows Hobsons Bay inner south-west coastal Melbourne supply carries very soft water at 20.5 mg/L, reflecting the predominantly direct Yarra Ranges reservoir supply consistent with the adjacent Sunshine West (20.5 mg/L) in the inner western City West Water supply corridor.