West Yokine
Perth Region · Western Australia · Reporting period 2023-2024
The verdict
West Yokine's water is much closer to neutral pH — though it runs much saltier and less pure than most of its 27 neighbours.
At a glance
Position within the Perth Region
Purity
By-products & nitrate
Less pure than 73% of Perth Region supplies
Clarity
Turbidity, colour, metals
About average for the Perth Region
Taste
Sodium, chloride, TDS
Saltier than 88% of Perth Region supplies
Hardness
Calcium & magnesium
Harder than 70% of Perth Region supplies
pH balance
How close to neutral (7.0)
More neutral than 100% of Perth Region supplies
Full readings
Typical (mean) value at West Yokine versus the Perth Region average.
Purity & health
| Parameter | West Yokine | Region avg | Unit |
|---|---|---|---|
| Trihalomethanes (THMs) | 0.13 | 0.07 | mg/L |
| Nitrate | 1.8 | 2.3 | mg/L |
Clarity & appearance
| Parameter | West Yokine | Region avg | Unit |
|---|---|---|---|
| Iron | 0.03 | 0.03 | mg/L |
| Manganese | 0.01 | 0.01 | mg/L |
Taste & saltiness
| Parameter | West Yokine | Region avg | Unit |
|---|---|---|---|
| Sodium | 116 | 85.0 | mg/L |
| Chloride | 192 | 142 | mg/L |
| Total Dissolved Solids (TDS) | 531 | 400 | mg/L |
| Sulphate | 39.0 | 19.4 | mg/L |
Hardness & scale
| Parameter | West Yokine | Region avg | Unit |
|---|---|---|---|
| Hardness | 114 | 95.7 | mg/L |
| Alkalinity | 94.0 | 83.8 | mg/L |
| Silica | 16.2 | 8.9 | mg/L |
pH balance
| Parameter | West Yokine | Region avg | Unit |
|---|---|---|---|
| pH | 7.5 | 7.8 | pH units |
Compare nearby
All of Perth Region →Suburbs near West Yokine
These suburbs aren't individually tested — West Yokine is their closest monitored supply point.
Data & methodology
Data source: Water Corporation of WA Drinking Water Quality Annual Report 2023-2024.
Regional ranking: Each measured parameter is ranked against every other locality in the Perth Region using the typical (mean) reading. Lower readings rank better, except pH where the score is distance from neutral (7).
ADWG safety check: Every reading is independently checked against the NHMRC Australian Drinking Water Guidelines; any value above the limit is flagged regardless of how it compares to neighbours.