Gympie Water Hardness & Quality Report (2026)
Water Hardness
~60–119 mg/L
Moderately Hardestimated · not lab-verified
Source
mixed
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
181.9 mg/L
Est. Daily Cost
A$0.28
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 Gympie, your appliances are currently losing 12% efficiency due to mineral buildup.
| Appliance | In Gympie | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.5 yrs | 8.5 yrs | -12% |
| Washing Machine | 10.6 yrs | 12 yrs | -12% |
| Water Heater | 13.2 yrs | 15 yrs | -12% |
Regional Water Comparison
How Gympie compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Gympie, Queensland | ≈ 60–119 mg/L | 🟡 Moderately Hard | mixed |
| Tewantin, Queensland | ≈ 0–60 mg/L | 🟢 Soft | mixed |
| Nambour, Queensland | ≈ 0–60 mg/L | 🟢 Soft | mixed |
| Sunshine Coast, Queensland | ≈ 0–60 mg/L | 🟢 Soft | reservoir |
| Buderim, Queensland | ≈ 60–120 mg/L | 🟡 Moderately Hard | mixed |
National Benchmark
How Gympie compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Gympie | ≈ 60–119 mg/L | 🟡 Low |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Gympie's Water Unique?
Local geology and source profile
Gympie Regional Council manages the town's water, drawing it from the Mary River within the Mary Valley Water Supply Scheme. Support comes from Borumba Dam on Yabba Creek, with the council holding a significant water allocation. They operate eight drinking water schemes, treating the water to meet strict microbiological standards, as outlined in their latest annual report. The watershed's geology plays a key role in the water's character.
The water originates from a landscape shaped by Mesozoic sedimentary formations, including sandstones and siltstones from the Bundamba Formation and Marburg Group. As the Mary River flows, it dissolves minerals from the catchment's soils and bedrock. This natural interaction results in a moderately mineralised supply, typical for river systems in Queensland's coastal basins.
Homeowners in Gympie might notice moderate scale buildup in appliances like kettles and dishwashers, along with occasional spotting on glassware. Showerheads and hot water systems may benefit from periodic descaling. Simple measures like using vinegar soaks, wiping fixtures regularly, and installing low-flow aerators can help manage limescale. While a water softener is optional, it's a good consideration for those particularly bothered by hard water issues.
Geology & Source: Mary River basin; Mesozoic sedimentary rocks (sandstone, siltstone, mudstone) impart moderate hardness
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