Exmouth
Mid West Region · Western Australia · Reporting period 2023-2024
The verdict
Exmouth's water is much closer to neutral pH — though it runs harder than most of its 50 neighbours.
At a glance
Position within the Mid West Region
Purity
By-products & nitrate
About average for the Mid West Region
Taste
Sodium, chloride, TDS
About average for the Mid West Region
Hardness
Calcium & magnesium
Harder than 72% of Mid West Region supplies
pH balance
How close to neutral (7.0)
More neutral than 98% of Mid West Region supplies
Full readings
Typical (mean) value at Exmouth versus the Mid West Region average.
Purity & health
| Parameter | Exmouth | Region avg | Unit |
|---|---|---|---|
| Nitrate | 7.9 | 11.4 | mg/L |
Taste & saltiness
| Parameter | Exmouth | Region avg | Unit |
|---|---|---|---|
| Sodium | 121 | 165 | mg/L |
| Chloride | 248 | 275 | mg/L |
| Total Dissolved Solids (TDS)Above ADWG | 843 | 671 | mg/L |
| Sulphate | 28.0 | 35.5 | mg/L |
Hardness & scale
| Parameter | Exmouth | Region avg | Unit |
|---|---|---|---|
| HardnessAbove ADWG | 333 | 134 | mg/L |
| Alkalinity | 250 | 88.0 | mg/L |
| Silica | 15.3 | 30.0 | mg/L |
pH balance
| Parameter | Exmouth | Region avg | Unit |
|---|---|---|---|
| pH | 7.5 | 7.5 | pH units |
Compare nearby
All of Mid 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 Mid 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.