Koolyanobbing
Goldfields and Agricultural Region · Western Australia · Reporting period 2023-2024
The verdict
Koolyanobbing's water is much purer and fresher — though it runs much further from neutral pH and cloudier than most of its 59 neighbours.
At a glance
Position within the Goldfields and Agricultural Region
Purity
By-products & nitrate
Purer than 98% of Goldfields and Agricultural Region supplies
Clarity
Turbidity, colour, metals
Cloudier than 81% of Goldfields and Agricultural Region supplies
Taste
Sodium, chloride, TDS
Fresher than 81% of Goldfields and Agricultural Region supplies
Hardness
Calcium & magnesium
About average for the Goldfields and Agricultural Region
pH balance
How close to neutral (7.0)
Further from neutral than 88% of Goldfields and Agricultural Region supplies
Full readings
Typical (mean) value at Koolyanobbing versus the Goldfields and Agricultural Region average.
Purity & health
| Parameter | Koolyanobbing | Region avg | Unit |
|---|---|---|---|
| Trihalomethanes (THMs) | 0.01 | 0.03 | mg/L |
| Nitrate | 0.40 | 2.5 | mg/L |
Clarity & appearance
| Parameter | Koolyanobbing | Region avg | Unit |
|---|---|---|---|
| Aluminium | 0.02 | 0.02 | mg/L |
| Iron | 0.02 | 0.01 | mg/L |
Taste & saltiness
| Parameter | Koolyanobbing | Region avg | Unit |
|---|---|---|---|
| Sodium | 113 | 113 | mg/L |
| Chloride | 195 | 197 | mg/L |
| Total Dissolved Solids (TDS) | 470 | 475 | mg/L |
| Sulphate | 29.0 | 30.6 | mg/L |
Hardness & scale
| Parameter | Koolyanobbing | Region avg | Unit |
|---|---|---|---|
| Hardness | 103 | 103 | mg/L |
| Alkalinity | 72.0 | 69.6 | mg/L |
| Silica | 5.0 | 7.0 | mg/L |
pH balance
| Parameter | Koolyanobbing | Region avg | Unit |
|---|---|---|---|
| pHAbove ADWG | 8.8 | 8.5 | pH units |
Compare nearby
All of Goldfields and Agricultural 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 Goldfields and Agricultural 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.