Water hardness & quality in Kalgup, WA
6280 · South West Region · Reporting period 2023-2024
Kalgup 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 — Peppermint Grove Beach and Dunsborough.
Water hardness
SoftLikely55mg/L
Nearby supplies: 55–72 mg/L
Little to no scale on kettles, shower screens or appliances, and soap lathers easily. A water softener isn't needed.
Estimated from Peppermint Grove Beach (55 mg/L, 25 km) and Dunsborough (72 mg/L, 27 km).
ADWG aesthetic guideline: 200 mg/L. Hardness affects scale and taste, not safety.
Compare water hardness across WA →Nearest monitored supply · 25 km from Kalgup
Peppermint Grove Beach
Its water is broadly typical for the South West Region.
Clarity
Turbidity, colour, metals
About average for the South West Region
Taste
Sodium, chloride, TDS
About average for the South West Region
Hardness
Calcium & magnesium
About average for the South West Region
pH balance
How close to neutral (7.0)
About average for the South West Region
Nearest monitored supply · 27 km from Kalgup
Dunsborough
Its water is much clearer and purer, though it runs much further from neutral pH and much saltier, versus the South West Region.
Purity
By-products & nitrate
Purer than 73% of South West Region supplies
Clarity
Turbidity, colour, metals
Clearer than 91% of South West Region supplies
Taste
Sodium, chloride, TDS
Saltier than 91% of South West Region supplies
Hardness
Calcium & magnesium
Harder than 75% of South West Region supplies
pH balance
How close to neutral (7.0)
Further from neutral than 94% of South West Region supplies
Other monitored supplies near Kalgup
Water quality in suburbs near Kalgup
Common questions
Is the tap water in Kalgup tested?
Kalgup isn't sampled as an individual locality. Its water is supplied through the Water Corporation network; the closest monitored supply point is Peppermint Grove Beach, about 25 km away.
How hard is the water in Kalgup?
Kalgup isn't sampled directly. Its nearest monitored supply, Peppermint Grove Beach (about 25 km away), averages 55 mg/L of hardness — soft. Other supplies within a few kilometres read 55–72 mg/L, so your street may differ. Little to no scale on kettles, shower screens or appliances, and soap lathers easily. A water softener isn't needed.
Is the tap water in Kalgup safe to drink?
Kalgup isn't tested on its own, but its nearest monitored supply, Peppermint Grove Beach, met every NHMRC Australian Drinking Water Guidelines health limit with published data in 2023-2024.
How to read this
Kalgup 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).