Bondi Beach Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.2
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
80.8 mg/L
Est. Daily Cost
A$0.15
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 Bondi Beach, your appliances are currently losing 6% efficiency due to mineral buildup.
| Appliance | In Bondi Beach | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8 yrs | 8.5 yrs | -6% |
| Washing Machine | 11.9 yrs | 12 yrs | -1% |
| Water Heater | 13.7 yrs | 15 yrs | -9% |
Regional Water Comparison
How Bondi Beach compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Bondi Beach, New South Wales | 47 mg/L | 🟢 Soft | reservoir |
| Bellevue Hill, New South Wales | 174 mg/L | 🟠 Hard | reservoir |
| Coogee, New South Wales | 109 mg/L | 🟡 Moderately Hard | reservoir |
| Randwick, New South Wales | 31.5 mg/L | 🟢 Soft | reservoir |
| Paddington, New South Wales | 174 mg/L | 🟠 Hard | reservoir |
National Benchmark
How Bondi Beach compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Bondi Beach | 47 mg/L | 🟢 None |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Bondi Beach's Water Unique?
Local geology and source profile
Bondi Beach's drinking water is supplied by Sydney Water, treated at the Prospect Water Filtration Plant drawing predominantly from Warragamba Dam (Nepean River system) for the Waverley LGA inner eastern Sydney distribution in New South Wales. Water hardness at Bondi Beach is measured at 47 mg/L — classified as soft — well below the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Bondi Beach — Sydney's most iconic and internationally famous beach suburb in the Waverley LGA, known for the Bondi Beach foreshore, the Campbell Parade promenade and café strip, the Bondi Icebergs ocean pool, the Bondi to Coogee coastal walk, and the cosmopolitan residential and tourist community of this globally recognised Sydney landmark — receives predominantly soft supply from the Prospect Water Filtration Plant distribution serving the inner eastern Sydney coastal suburbs.
Bondi Beach's soft supply reflects a predominantly Warragamba Dam contribution with minimal Hawkesbury-Nepean blending at the inner eastern Waverley Prospect distribution sub-zone. Warragamba Dam collects rainfall from the Blue Mountains sandstone plateau and Kanangra–Boyd granite uplands — chemically resistant terrain contributing negligible dissolved minerals — producing near-soft supply at 47 mg/L and TDS 80.8 mg/L. The Bondi Beach Waverley inner eastern distribution at 47 mg/L is consistent with the soft character of the eastern Sydney coastal supply corridor, reflecting a predominantly Warragamba-dominant supply routing for the Waverley inner eastern distribution sub-zone.
Bondi Beach residents enjoy very low limescale accumulation on taps and in kettles — descaling every two to three months is typically adequate. Hot water systems accumulate minimal scale. The low lead reading (0.002 mg/L) is excellent. Sydney Water provides water quality information at sydneywater.com.au, with all ADWG health standards consistently met. Bondi Beach's iconic coastal community and the Waverley inner eastern Sydney residential precinct benefit from this soft, clean supply meeting all ADWG standards.
Geology & Source: Supplied by Sydney Water via the Prospect Water Filtration Plant drawing predominantly from Warragamba Dam — the Bondi Beach Waverley inner eastern Sydney supply carries soft water at 47 mg/L with very low TDS of 80.8 mg/L, reflecting a predominantly Warragamba-dominant supply with minimal Hawkesbury-Nepean component at the iconic Bondi Beach Waverley inner eastern Sydney distribution sub-zone.