Jimboomba Water Hardness & Quality Report (2026)
Water Hardness
Source
mixed
pH Level
7.9
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
517.8 mg/L
Est. Daily Cost
A$0.69
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 Jimboomba, your appliances are currently losing 29% efficiency due to mineral buildup.
| Appliance | In Jimboomba | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 2.4 yrs | 8.5 yrs | -72% |
| Washing Machine | 5.6 yrs | 12 yrs | -53% |
| Water Heater | 6.9 yrs | 15 yrs | -54% |
Regional Water Comparison
How Jimboomba compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Jimboomba, Queensland | 217 mg/L | 🔴 Very Hard | mixed |
| Crestmead, Queensland | 279 mg/L | 🔴 Very Hard | mixed |
| Regents Park, Queensland | 190 mg/L | 🔴 Very Hard | mixed |
| Marsden, Queensland | 280 mg/L | 🔴 Very Hard | mixed |
| Kingston, Queensland | 279 mg/L | 🔴 Very Hard | mixed |
National Benchmark
How Jimboomba compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Jimboomba | 217 mg/L | 🔴 High |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Jimboomba's Water Unique?
Local geology and source profile
Jimboomba's drinking water is supplied by Logan Water (Logan City Council Water) as water retailer, with bulk supply from Seqwater drawing from Lake Wivenhoe, Lake Somerset, and Lockyer Valley groundwater through the south-east Queensland water grid for the Logan City LGA outer southern growth corridor distribution in Queensland. Water hardness in Jimboomba is measured at 217 mg/L — classified as very hard, exceeding the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Jimboomba — a large and rapidly growing outer southern Logan City community on the Beaudesert–Brisbane Road corridor, known for the Jimboomba Town Centre, the Logan Village heritage precinct nearby, and the major residential estate growth in the Logan City outer southern expansion zone — carries very hard supply consistent with the broader Logan City supply range.
Jimboomba's elevated hardness reflects the Lockyer Valley groundwater supplement proportion in the outer southern Logan City SEQ supply blend. Lake Wivenhoe and Somerset contribute moderately soft surface water from Triassic–Jurassic granite terrain of the Great Dividing Range, but Seqwater's supplementation from the Lockyer Valley alluvial aquifer — percolating through mineralised Jurassic–Cretaceous carbonate-cemented Darling Downs formations — elevates the outer southern Logan distribution to 217 mg/L and TDS 517.8 mg/L. Jimboomba at 217 mg/L is consistent with the Logan City outer southern supply range (Eagleby 236 mg/L, Marsden 280 mg/L).
Jimboomba residents face significant daily limescale challenges — kettle descaling every one to two weeks is common, and shower screens and hot water systems accumulate carbonate deposits. Under Queensland water restrictions, outdoor watering is limited. The low lead reading (0.002 mg/L) is reassuring. Logan Water provides water quality data online, with all ADWG health standards consistently met. Jimboomba's rapidly growing outer Logan City residential community benefits from supply meeting all ADWG safe drinking standards.
Geology & Source: Supplied by Logan Water (Logan City Council) with bulk supply from Seqwater via Lake Wivenhoe and Lake Somerset, supplemented by Lockyer Valley groundwater through the south-east Queensland water grid — the Jimboomba Logan City outer southern growth corridor supply carries very hard water at 217 mg/L with elevated TDS of 517.8 mg/L, reflecting the Lockyer Valley groundwater proportion in the Logan City outer southern distribution.