Parafield Gardens Water Hardness & Quality Report (2026)
Water Hardness
Source
mixed
pH Level
7.4
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
222.6 mg/L
Est. Daily Cost
A$0.32
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 Parafield Gardens, your appliances are currently losing 13% efficiency due to mineral buildup.
| Appliance | In Parafield Gardens | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.3 yrs | 8.5 yrs | -26% |
| Washing Machine | 9.9 yrs | 12 yrs | -17% |
| Water Heater | 11.6 yrs | 15 yrs | -23% |
Regional Water Comparison
How Parafield Gardens compares to its nearest neighbours
| City | Hardness | Risk | Source |
|---|---|---|---|
| ▶ Parafield Gardens, South Australia | 101 mg/L | 🟡 Moderately Hard | mixed |
| Paralowie, South Australia | 328 mg/L | 🔴 Very Hard | mixed |
| Mawson Lakes, South Australia | 109 mg/L | 🟡 Moderately Hard | mixed |
| Prospect, South Australia | 284 mg/L | 🔴 Very Hard | mixed |
| Golden Grove, South Australia | 286.5 mg/L | 🔴 Very Hard | mixed |
National Benchmark
How Parafield Gardens compares to the Australia average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Parafield Gardens | 101 mg/L | 🟡 Low |
| Australia National Avg | 125 mg/L | 🟠 Moderate |
| Boronia Top Rated | 5 mg/L | 🟢 None |
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What Makes Parafield Gardens's Water Unique?
Local geology and source profile
Parafield Gardens' drinking water is supplied by SA Water, drawing from a mixed blend of Mount Lofty Ranges catchment reservoirs and the River Murray transfer system for the Salisbury LGA outer northern Adelaide distribution in South Australia. Water hardness in Parafield Gardens is measured at 101 mg/L — classified as moderately hard — within the Australian Drinking Water Guidelines (ADWG) aesthetic guideline of 200 mg/L published by NHMRC. Parafield Gardens, in the Salisbury LGA — an established outer northern Adelaide suburb of post-war residential estates adjacent to the Parafield Airport and the Adelaide International Airport approach corridor — benefits from one of the softer SA Water supplies, significantly lower than the Adelaide City Centre (180.5 mg/L) hardness, reflecting a more favourable Mount Lofty Ranges surface supply proportion in the northern Adelaide distribution blend.
Parafield Gardens' relatively lower hardness reflects a proportionally higher Mount Lofty Ranges surface catchment contribution in the northern Salisbury SA Water mixed supply blend. The Mount Lofty Ranges reservoirs — including the Myponga Reservoir (Onkaparinga River system) and Mount Bold Reservoir — draw from Precambrian basement granite and metamorphic terrain of the southern ranges, producing softer supply than the Murray River dominated blend typical of Adelaide's drier northern distribution zones. The Parafield Gardens 101 mg/L mixed source blend at TDS 222.6 mg/L reflects a seasonal or infrastructure-specific blend composition in the outer northern Salisbury corridor.
Parafield Gardens residents face moderate limescale on taps and in kettles — descaling every two to three months is typically adequate. Hot water systems benefit from periodic inspection. The very low lead reading (0.001 mg/L) confirms excellent supply quality. SA Water provides water quality information at sawater.com.au, with all ADWG health standards consistently met. The moderately hard supply is a practical benefit compared to the harder northern Adelaide zones, with lower appliance maintenance costs for residents of Parafield Gardens' suburban estates.
Geology & Source: Supplied by SA Water from a mixed blend of Mount Lofty Ranges catchment reservoirs and the River Murray transfer system — the Parafield Gardens Salisbury northern Adelaide supply carries moderately hard water at 101 mg/L, notably softer than the typical SA Water supply, reflecting a proportionally higher Mount Lofty Ranges surface catchment contribution in the northern Salisbury LGA mixed source blend.