Glen Waverley Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.3
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
85.7 mg/L
Est. Daily Cost
A$0.14
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 Glen Waverley, your appliances are currently losing 6% efficiency due to mineral buildup.
| Appliance | In Glen Waverley | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.1 yrs | 8.5 yrs | -5% |
| Washing Machine | 11.9 yrs | 12 yrs | -1% |
| Water Heater | 13.8 yrs | 15 yrs | -8% |
Regional Water Comparison
How Glen Waverley compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Glen Waverley, Victoria | 45.5 mg/L | 🟢 Soft | reservoir |
| Vermont South, Victoria | 16.5 mg/L | 🟢 Soft | reservoir |
| Wheelers Hill, Victoria | 17 mg/L | 🟢 Soft | reservoir |
| Burwood East, Victoria | 49.5 mg/L | 🟢 Soft | reservoir |
| Mount Waverley, Victoria | 119 mg/L | 🟡 Moderately Hard | reservoir |
National Benchmark
How Glen Waverley compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Glen Waverley | 45.5 mg/L | 🟢 None |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
Bring Boronia-quality water to your Glen Waverley home
Shop water softeners on Amazon.com →
What Makes Glen Waverley's Water Unique?
Local geology and source profile
Glen Waverley's drinking water is supplied by South East 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 Glen Waverley is measured at 45.5 mg/L — classified as soft — well within the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Glen Waverley, a major commercial and residential centre in Melbourne's outer south-east (Monash LGA), receives Melbourne Water's high-quality Yarra Ranges supply through the south-eastern metropolitan distribution network.
Glen Waverley's soft supply originates from Melbourne Water's protected Yarra Ranges catchments. The Thomson and Upper Yarra storages collect water draining across Devonian granite and metamorphic rhyodacite — igneous formations that resist chemical weathering and release negligible dissolved calcium or magnesium. The marginally higher hardness at Glen Waverley (45.5 mg/L) versus the Melbourne CBD (41.5 mg/L) reflects the slightly longer distribution pathway through the south-eastern pipeline network, with minimal additional mineral pickup along the way.
Glen Waverley residents benefit from low limescale accumulation on taps, in kettles, and around shower fittings — descaling is an occasional rather than routine task. Hot water systems accumulate minimal scale, sustaining heating efficiency with minimal maintenance. South East Water provides water quality information at southeastwater.com.au, with all ADWG health standards consistently met throughout the Monash supply zone. A benchtop carbon filter is a popular option for those preferring an enhanced drinking water taste from the already soft and high-quality Melbourne supply.
Geology & Source: Supplied by South East Water (water retailer) and Melbourne Water (wholesale) from the Thomson Reservoir and Upper Yarra Reservoir catchments in the Yarra Ranges — water draining through Devonian granite and rhyodacite of the protected Yarra Ranges produces soft supply at 45.5 mg/L at the Glen Waverley south-eastern Melbourne distribution zone.