Aberfoyle Park Water Hardness & Quality Report (2026)
Water Hardness
Source
mixed
pH Level
7.9
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
468.2 mg/L
Est. Daily Cost
A$0.60
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 Aberfoyle Park, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In Aberfoyle Park | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.4 yrs | 8.5 yrs | -60% |
| Washing Machine | 6.6 yrs | 12 yrs | -45% |
| Water Heater | 8.1 yrs | 15 yrs | -46% |
Regional Water Comparison
How Aberfoyle Park compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Aberfoyle Park, South Australia | 188.5 mg/L | 🔴 Very Hard | mixed |
| Woodcroft, South Australia | 219.5 mg/L | 🔴 Very Hard | mixed |
| Happy Valley, South Australia | 228 mg/L | 🔴 Very Hard | mixed |
| Hallett Cove, South Australia | 186 mg/L | 🔴 Very Hard | mixed |
| Morphett Vale, South Australia | 305 mg/L | 🔴 Very Hard | mixed |
National Benchmark
How Aberfoyle Park compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Aberfoyle Park | 188.5 mg/L | 🔴 High |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Aberfoyle Park's Water Unique?
Local geology and source profile
Aberfoyle Park's drinking water is supplied by SA Water, drawing from the Murray River via the metropolitan pipeline and Mount Lofty Ranges catchment supplementation for the Onkaparinga Council LGA southern Adelaide Hills distribution in South Australia. Water hardness in Aberfoyle Park is measured at 188.5 mg/L — classified as hard, approaching the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Aberfoyle Park — a planned residential suburb in the southern Adelaide Hills foothills of the Onkaparinga Council LGA adjacent to Happy Valley and Chandlers Hill, known for the Aberfoyle Park Shopping Centre, the Willunga Basin and Onkaparinga River National Park hinterland, and the family-oriented outer southern Adelaide Hills residential community — receives hard supply slightly softer than the adjacent Woodcroft sub-zone (219.5 mg/L) in the same Onkaparinga LGA, reflecting the SA Water southern Adelaide Hills supply blend variation.
Aberfoyle Park's hard supply reflects the Murray River and Mount Lofty Ranges geological mineralisation character of the SA Water southern Adelaide Hills distribution. The Murray River traverses the extensive Riverina–Murray Basin sedimentary formations, accumulating high dissolved calcium, magnesium, sulphate, and carbonates. The Mount Lofty Ranges catchments contribute moderately mineralised surface water from Precambrian metamorphic and Cambrian carbonate formations. At 188.5 mg/L and TDS 468.2 mg/L, Aberfoyle Park's supply is consistent with the hard SA Water metropolitan Adelaide distribution range, approaching the ADWG 200 mg/L aesthetic guideline.
Aberfoyle Park residents face moderate-to-significant limescale build-up on taps and in kettles — descaling every four to six weeks is typical. Hot water systems benefit from regular inspection. Solar hot water systems in SA's warm climate benefit from periodic servicing. The low lead reading (0.002 mg/L) is excellent. SA Water provides water quality information at sawater.com.au, with all ADWG health standards consistently met. Aberfoyle Park's southern Adelaide Hills community and the Onkaparinga River National Park corridor benefit from supply meeting all ADWG safe drinking standards.
Geology & Source: Supplied by SA Water from the Murray River and Mount Lofty Ranges catchments — the Aberfoyle Park Onkaparinga southern Adelaide Hills supply carries hard water at 188.5 mg/L with TDS of 468.2 mg/L, approaching the ADWG aesthetic guideline of 200 mg/L, slightly softer than the adjacent Woodcroft Onkaparinga sub-zone (219.5 mg/L), reflecting the Murray River and Mount Lofty Ranges geological mineralisation character of the SA Water southern Adelaide Hills supply.