Warragul Water Hardness & Quality Report (2026)
Water Hardness
Source
reservoir
pH Level
7.3
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
93.5 mg/L
Est. Daily Cost
A$0.16
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 Warragul, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In Warragul | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8 yrs | 8.5 yrs | -6% |
| Washing Machine | 11.8 yrs | 12 yrs | -2% |
| Water Heater | 13.6 yrs | 15 yrs | -9% |
Regional Water Comparison
How Warragul compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Warragul, Victoria | 49 mg/L | 🟢 Soft | reservoir |
| Drouin, Victoria | 73.5 mg/L | 🟡 Moderately Hard | reservoir |
| Pakenham, Victoria | 5.5 mg/L | 🟢 Soft | reservoir |
| Morwell, Victoria | 18.5 mg/L | 🟢 Soft | reservoir |
| Officer, Victoria | 29 mg/L | 🟢 Soft | reservoir |
National Benchmark
How Warragul compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Warragul | 49 mg/L | 🟢 None |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Warragul's Water Unique?
Local geology and source profile
Warragul's drinking water is supplied by South Gippsland Water, drawing from Blue Rock Lake (the major Tanjil River storage) and supplementary Narracan Creek catchment impoundments in the South Gippsland Ranges of the Baw Baw Shire in Victoria. Water hardness in Warragul is measured at 49 mg/L — classified as soft — within the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Warragul — Gippsland's largest regional centre and a vibrant market town serving the West Gippsland dairy and agricultural community — benefits from a soft supply characteristic of the clean forested highland catchments of the South Gippsland Ranges.
Warragul's soft supply reflects the Devonian granite and Silurian metamorphic geology of the Baw Baw highland catchment. The Tanjil River and Narracan Creek drain across the Baw Baw Massif — an ancient granite and rhyolite highland massif forming the eastern backbone of Melbourne's water supply region — where chemically resistant crystalline rocks produce low-mineral surface runoff. Blue Rock Lake, constructed on the Tanjil River in the Baw Baw State Forest, captures this clean highland water directly from the South Gippsland Ranges, delivering a soft supply representative of the Gippsland forested catchment quality.
Warragul residents enjoy low limescale accumulation on taps, in kettles, and around shower fittings — descaling every two to three months is generally adequate. Hot water systems accumulate minimal scale throughout their service life. The elevated lead reading (0.003 mg/L) warrants briefly running the cold tap before use in older Warragul town centre homes in the established Baw Baw streetscapes. South Gippsland Water provides water quality information online, with all ADWG health standards consistently met. Warragul's soft supply is well suited to the town's role as the regional agricultural and food services hub of West Gippsland.
Geology & Source: Supplied by South Gippsland Water from Blue Rock Lake (Tanjil River dam) and the Narracan Creek catchment system in the South Gippsland Ranges — the Warragul Baw Baw supply carries soft water at 49 mg/L, characteristic of the Devonian granite and Silurian metamorphic terrain of the Baw Baw highland ranges catchments supplying South Gippsland Water's major Blue Rock Lake dam.