Water quality in The Plains, WA
The Plains 6237 · South West Region · Western Australia
The Plains isn't sampled as its own locality. Its drinking water is supplied through the Water Corporation network, so the closest picture of what comes out of the tap is the two monitored supply points it sits between — Dalyellup and Boyanup.
Nearest monitored supply · 7 km from The Plains
Dalyellup
Its water runs harder and saltier than most of the South West Region.
Purity
By-products & nitrate
About average for the South West Region
Clarity
Turbidity, colour, metals
About average for the South West Region
Taste
Sodium, chloride, TDS
Saltier than 70% of South West Region supplies
Hardness
Calcium & magnesium
Harder than 75% of South West Region supplies
pH balance
How close to neutral (7.0)
About average for the South West Region
Nearest monitored supply · 7 km from The Plains
Boyanup
Its water is clearer and closer to neutral pH, though it runs harder and saltier, versus the South West Region.
Clarity
Turbidity, colour, metals
Clearer than 79% of South West Region supplies
Taste
Sodium, chloride, TDS
Saltier than 68% of South West Region supplies
Hardness
Calcium & magnesium
Harder than 76% of South West Region supplies
pH balance
How close to neutral (7.0)
More neutral than 76% of South West Region supplies
Other monitored supplies near The Plains
Water quality in suburbs near The Plains
How to read this
The Plains doesn't have its own published sampling point. The supplies shown here are the closest monitored locations by distance — a useful proxy, but not a guarantee of the exact source feeding your street, since much of Perth draws on the blended Integrated Water Supply Scheme. For the authoritative picture, check with Water Corporation.
Readings come from the Water Corporation of WA Drinking Water Quality Annual Report 2023-2024, ranked within each supply's region. Suburb locations: GeoNames (CC BY 4.0).