Harvey
South West Region · Western Australia · Reporting period 2023-2024
The verdict
Harvey's water is much clearer and much fresher — though it runs further from neutral pH than most of its 34 neighbours.
At a glance
Position within the South West Region
Purity
By-products & nitrate
Purer than 67% of South West Region supplies
Clarity
Turbidity, colour, metals
Clearer than 90% of South West Region supplies
Taste
Sodium, chloride, TDS
Fresher than 87% of South West Region supplies
Hardness
Calcium & magnesium
Softer than 75% of South West Region supplies
pH balance
How close to neutral (7.0)
Further from neutral than 76% of South West Region supplies
Full readings
Typical (mean) value at Harvey versus the South West Region average.
Purity & health
| Parameter | Harvey | Region avg | Unit |
|---|---|---|---|
| Trihalomethanes (THMs) | 0.03 | 0.05 | mg/L |
Clarity & appearance
| Parameter | Harvey | Region avg | Unit |
|---|---|---|---|
| Aluminium | 0.01 | 0.02 | mg/L |
| Iron | 0.01 | 0.05 | mg/L |
| Manganese | 0.00 | 0.01 | mg/L |
Taste & saltiness
| Parameter | Harvey | Region avg | Unit |
|---|---|---|---|
| Sodium | 27.0 | 58.5 | mg/L |
| Chloride | 49.0 | 98.2 | mg/L |
| Total Dissolved Solids (TDS) | 165 | 324 | mg/L |
| Sulphate | 5.0 | 16.9 | mg/L |
Hardness & scale
| Parameter | Harvey | Region avg | Unit |
|---|---|---|---|
| Hardness | 54.0 | 83.9 | mg/L |
| Alkalinity | 49.0 | 81.8 | mg/L |
| Silica | 3.3 | 11.0 | mg/L |
pH balance
| Parameter | Harvey | Region avg | Unit |
|---|---|---|---|
| pHAbove ADWG | 8.2 | 7.7 | pH units |
Compare nearby
All of South West Region →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 South West 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.