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Rosebud Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

reservoir

pH Level

7.7

neutral = 7.0

Lead

0.002 mg/L

✓ Below action level

TDS

291.6 mg/L

Est. Daily Cost

A$0.47

energy & soap waste

hard~120–179 mg/LHard · est.

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 Rosebud, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn RosebudSoft Water CityEfficiency Loss
Kettle
6.8 yrs
8.5 yrs-20%
Washing Machine
9.6 yrs
12 yrs-20%
Water Heater
12 yrs
15 yrs-20%

Regional Water Comparison

How Rosebud compares to its nearest neighbours

CityHardnessRiskSource
Rosebud, Victoria≈ 120–179 mg/L🟠 Hardreservoir
Mount Martha, Victoria≈ 0–60 mg/L🟢 Softreservoir
Mornington, Victoria≈ 0–60 mg/L🟢 Softreservoir
Mount Eliza, Victoria≈ 0–60 mg/L🟢 Softreservoir
Somerville, Victoria≈ 180+ mg/L🔴 Very Hardreservoir

National Benchmark

How Rosebud compares to the Australia average

BenchmarkHardnessAppliance Risk
Rosebud≈ 120–179 mg/L🟠 Moderate
Australia National Avg125 mg/L🟠 Moderate
Boronia Top Rated5 mg/L🟢 None

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What Makes Rosebud's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 291.6 mg/LpH: 7.7

Water for Rosebud, Victoria, is supplied by South East Water and Melbourne Water. The supply incorporates Cardinia Reservoir and the Mornington Peninsula distribution infrastructure. This blend results in moderately hard water with elevated total dissolved solids (TDS) for the outer southern Mornington Peninsula distribution sub-zone. Specific treatment plants and the exact sources feeding this particular blend remain unspecified in the available information.

The geological context shaping the water chemistry for this region is not detailed in the provided data. While the water is described as moderately hard and having elevated TDS, the specific rock types, formations, or aquifer characteristics that contribute to these qualities are unknown. Therefore, a precise geological explanation for the water's composition cannot be determined from the current findings.

Because the water hardness classification is unknown, it's difficult to predict the specific impact on appliances like water heaters or dishwashers. Without this information, recommendations for descaling or advice on installing a water softener cannot be definitively provided. Furthermore, details regarding water taste, potential scale buildup, or any specific maintenance needs for plumbing are also unavailable due to the lack of comprehensive water quality data for Rosebud.

Geology & Source: Unknown geological context; water described as moderately hard with elevated TDS

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Frequently Asked Questions

Is Rosebud's water safe to drink?
Yes. Rosebud's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Rosebud?
At ≈ 120–179 mg/L (Hard), Rosebud's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.
How does Rosebud compare to the Australia average?
The Australia national average is 125 mg/L. Rosebud (≈ 120–179 mg/L) is 25 mg/L above the national average. The softest major city is Boronia at just 5 mg/L.