Macquarie Fields Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.9
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
355.9 mg/L
Est. Daily Cost
A$0.51
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 Macquarie Fields, your appliances are currently losing 21% efficiency due to mineral buildup.
| Appliance | In Macquarie Fields | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.3 yrs | 8.5 yrs | -49% |
| Washing Machine | 7.7 yrs | 12 yrs | -36% |
| Water Heater | 9.2 yrs | 15 yrs | -39% |
Regional Water Comparison
How Macquarie Fields compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Macquarie Fields, New South Wales | 160 mg/L | 🟠 Hard | reservoir |
| Ingleburn, New South Wales | 93.5 mg/L | 🟡 Moderately Hard | reservoir |
| Casula, New South Wales | 147.5 mg/L | 🟠 Hard | reservoir |
| Prestons, New South Wales | 108.5 mg/L | 🟡 Moderately Hard | reservoir |
| Minto, New South Wales | 89 mg/L | 🟡 Moderately Hard | reservoir |
National Benchmark
How Macquarie Fields compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Macquarie Fields | 160 mg/L | 🟠 Moderate |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Macquarie Fields's Water Unique?
Local geology and source profile
Macquarie Fields' drinking water is supplied by Sydney Water, treated at the Prospect Water Filtration Plant and Woronora Water Treatment Plant for the Campbelltown City LGA outer south-western Sydney distribution in New South Wales. Water hardness in Macquarie Fields is measured at 160 mg/L — classified as moderately hard — within the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Macquarie Fields — a large outer south-western Sydney suburb in Campbelltown LGA on the Hume Highway corridor, adjacent to Ingleburn and Glenfield, known for the Macquarie Fields railway station shopping precinct, the Campbelltown residential growth corridor, and the multicultural community of the outer south-western Sydney region — receives hard supply from the combined Hawkesbury-Nepean and Woronora WTP contribution.
Macquarie Fields' elevated hardness reflects the significant Hawkesbury-Nepean and Woronora River component in the outer south-western Campbelltown Sydney Water distribution blend. The Hawkesbury-Nepean system traverses Cumberland Plain alluvial terrain and Triassic carbonate-cemented sedimentary deposits, while the Woronora River catchment drains Holocene–Permian valley terrain, together contributing substantial calcium bicarbonate before Prospect and Woronora WTP treatment. The Macquarie Fields outer south-western Campbelltown distribution at 160 mg/L and TDS 355.9 mg/L receives a proportionally elevated mixed-source fraction in the outer south-western supply corridor.
Macquarie Fields residents face moderate to heavy limescale build-up on taps and in kettles — descaling every two to three weeks is typical. Hot water systems benefit from annual inspection. The elevated lead reading (0.004 mg/L) warrants briefly running the cold tap before use. Sydney Water provides water quality information at sydneywater.com.au, with all ADWG health standards consistently met. A point-of-use water filter is a practical investment for the Macquarie Fields residential community.
Geology & Source: Supplied by Sydney Water via the Prospect Water Filtration Plant and Woronora Water Treatment Plant blend — the Macquarie Fields Campbelltown LGA outer south-western Sydney supply carries moderately hard water at 160 mg/L with elevated TDS of 355.9 mg/L, reflecting the significant Hawkesbury-Nepean and Woronora component in the outer south-western Campbelltown supply corridor.