Water hardness & quality in Reservoir, WA
6076 · Perth Region · Reporting period 2023-2024
Reservoir 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 — Hills Direct and Foothills.
Water hardness
SoftLikely46mg/L
Nearby supplies: 46–86 mg/L
Little to no scale on kettles, shower screens or appliances, and soap lathers easily. A water softener isn't needed.
Estimated from Hills Direct (46 mg/L, 8 km) and Foothills (86 mg/L, 9 km).
ADWG aesthetic guideline: 200 mg/L. Hardness affects scale and taste, not safety.
Compare water hardness across WA →Nearest monitored supply · 8 km from Reservoir
Hills Direct
Its water is much closer to neutral pH and much softer than most of the Perth Region.
Purity
By-products & nitrate
Purer than 78% of Perth Region supplies
Clarity
Turbidity, colour, metals
About average for the Perth Region
Taste
Sodium, chloride, TDS
Fresher than 83% of Perth Region supplies
Hardness
Calcium & magnesium
Softer than 91% of Perth Region supplies
pH balance
How close to neutral (7.0)
More neutral than 96% of Perth Region supplies
Nearest monitored supply · 9 km from Reservoir
Foothills
Its water runs much cloudier than most of the Perth Region.
Purity
By-products & nitrate
About average for the Perth Region
Clarity
Turbidity, colour, metals
Cloudier than 89% of Perth Region supplies
Taste
Sodium, chloride, TDS
About average for the Perth Region
Hardness
Calcium & magnesium
About average for the Perth Region
pH balance
How close to neutral (7.0)
About average for the Perth Region
Other monitored supplies near Reservoir
Water quality in suburbs near Reservoir
Common questions
Is the tap water in Reservoir tested?
Reservoir isn't sampled as an individual locality. Its water is supplied through the Water Corporation network; the closest monitored supply point is Hills Direct, about 8 km away.
How hard is the water in Reservoir?
Reservoir isn't sampled directly. Its nearest monitored supply, Hills Direct (about 8 km away), averages 46 mg/L of hardness — soft. Other supplies within a few kilometres read 46–86 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 Reservoir safe to drink?
Reservoir isn't tested on its own, but its nearest monitored supply, Hills Direct, met every NHMRC Australian Drinking Water Guidelines health limit with published data in 2023-2024.
How to read this
Reservoir 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).