Townsville Water Hardness & Quality Report (2026)
Water Hardness
Source
river
pH Level
7
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
40.8 mg/L
Est. Daily Cost
A$0.12
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 Townsville, your appliances are currently losing 5% efficiency due to mineral buildup.
| Appliance | In Townsville | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.4 yrs | 8.5 yrs | -1% |
| Washing Machine | 12.2 yrs | 12 yrs | — |
| Water Heater | 14.1 yrs | 15 yrs | -6% |
Regional Water Comparison
How Townsville compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Townsville, Queensland | 37.3 mg/L | 🟢 Soft | river |
| Kirwan, Queensland | ≈ 0–60 mg/L | 🟢 Soft | mixed |
| Kelso, Queensland | ≈ 60–120 mg/L | 🟡 Moderately Hard | mixed |
| Bowen, Queensland | ≈ 60–120 mg/L | 🟡 Moderately Hard | mixed |
| Edmonton, Queensland | ≈ 120–179 mg/L | 🟠 Hard | mixed |
National Benchmark
How Townsville compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Townsville | 37.3 mg/L | 🟢 None |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Townsville's Water Unique?
Local geology and source profile
The Townsville City Council is responsible for the water supply serving Townsville, Queensland, Australia, and its surrounding communities. The main sources for this supply are the Ross River Dam and the Black Basin. Water is treated at the Douglas Water Treatment Plant, located on Angus Smith Drive. This utility diligently monitors water quality, aiming to meet the Australian Drinking Water Guidelines. Recent events in February 2026 saw temporary discoloration due to natural minerals after rainfall and dam releases, but the water's microbial safety was never compromised.
The Townsville water originates from the Ross River and Black Basin watersheds in tropical North Queensland. The region's geology consists of Quaternary alluvial deposits sitting atop Paleozoic metamorphic and granitic basement rocks. Because this granitic terrain has rocks that don't dissolve easily, calcium and magnesium levels are low, leading to naturally soft water. The tropical weather and the way rivers carry water through sandy plains also limit the buildup of minerals, reinforcing the area's soft water characteristics.
Because Townsville’s water is soft, it causes very little scale buildup in household appliances like water heaters, washing machines, and dishwashers. This means less maintenance and potentially longer lifespans for your equipment. You probably won't need a water softener. You'll find that soap lathers up nicely and you might use less detergent. The water is also fluoridated to help prevent cavities, with levels kept between 0.6 and 0.8 mg/litre.
Geology & Source: Quaternary alluvial deposits over Paleozoic metamorphic and granitic formations; granitic bedrock yields soft water.
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