Ingleburn Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
180.3 mg/L
Est. Daily Cost
A$0.30
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 Ingleburn, your appliances are currently losing 12% efficiency due to mineral buildup.
| Appliance | In Ingleburn | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.5 yrs | 8.5 yrs | -24% |
| Washing Machine | 10.1 yrs | 12 yrs | -16% |
| Water Heater | 11.9 yrs | 15 yrs | -21% |
Regional Water Comparison
How Ingleburn compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Ingleburn, New South Wales | 93.5 mg/L | 🟡 Moderately Hard | reservoir |
| Macquarie Fields, New South Wales | 160 mg/L | 🟠 Hard | reservoir |
| Minto, New South Wales | 89 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 |
National Benchmark
How Ingleburn compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Ingleburn | 93.5 mg/L | 🟡 Low |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Ingleburn's Water Unique?
Local geology and source profile
Ingleburn's drinking water is supplied by Sydney Water, treated at the Prospect Water Filtration Plant blending Warragamba Dam with a moderate Hawkesbury-Nepean component for the Campbelltown LGA outer south-western Sydney distribution in New South Wales. Water hardness in Ingleburn is measured at 93.5 mg/L — classified as slightly hard — within the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Ingleburn — a large outer south-western Sydney suburb in the Campbelltown LGA on the south-western rail line, known for the Ingleburn Village shopping precinct, the Campbelltown Arts Centre and the suburban residential and light industrial character of the Macarthur region gateway — receives supply with a moderate Hawkesbury-Nepean contribution consistent with the outer south-western Sydney supply zone.
Ingleburn's slightly elevated hardness reflects a moderate Hawkesbury-Nepean component in the Campbelltown outer south-western Prospect distribution blend. The Hawkesbury-Nepean system traverses Cumberland Plain alluvial terrain and Triassic carbonate-cemented deposits in the Campbelltown–Picton corridor — dissolving moderate calcium bicarbonate before Prospect treatment. The Ingleburn Campbelltown outer south-west distribution sub-zone at 93.5 mg/L and TDS 180.3 mg/L reflects a moderate Hawkesbury-Nepean fraction, somewhat softer than the harder Liverpool sub-zones (Casula 147.5 mg/L) in the adjacent LGA corridor.
Ingleburn residents can expect moderate limescale build-up on taps and in kettles — descaling every two to three months is typically adequate. Hot water systems benefit from periodic inspection. The elevated lead reading (0.003 mg/L) warrants briefly running the cold tap before use in older Ingleburn residential properties. Sydney Water provides water quality information at sydneywater.com.au, with all ADWG health standards consistently met. The slightly hard supply is well within comfortable household use ranges for Ingleburn's outer south-western Sydney Macarthur corridor community.
Geology & Source: Supplied by Sydney Water via the Prospect Water Filtration Plant blending Warragamba Dam with a moderate Hawkesbury-Nepean component — the Ingleburn Campbelltown LGA outer south-western Sydney supply carries slightly hard water at 93.5 mg/L, reflecting the moderate Hawkesbury-Nepean proportion at this outer south-western Campbelltown–Macarthur corridor supply sub-zone.