Water hardness & quality in Mount Observation, WA
6302 · Goldfields and Agricultural Region · Reporting period 2023-2024
Mount Observation 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 — York and Spencers Brook.
Water hardness
Moderately hardLikely104mg/L
Nearby supplies: 100–104 mg/L
Some scale builds up over time on kettles and shower heads. Most homes don't need a softener.
Estimated from York (104 mg/L, 26 km) and Spencers Brook (100 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 · 26 km from Mount Observation
York
Its water is much clearer and fresher than most of the Goldfields and Agricultural Region.
Purity
By-products & nitrate
About average for the Goldfields and Agricultural Region
Clarity
Turbidity, colour, metals
Clearer than 94% of Goldfields and Agricultural Region supplies
Taste
Sodium, chloride, TDS
Fresher than 70% 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)
About average for the Goldfields and Agricultural Region
Nearest monitored supply · 27 km from Mount Observation
Spencers Brook
Its water is clearer and fresher than most of the Goldfields and Agricultural Region.
Purity
By-products & nitrate
Purer than 66% of Goldfields and Agricultural Region supplies
Clarity
Turbidity, colour, metals
Clearer than 77% of Goldfields and Agricultural Region supplies
Taste
Sodium, chloride, TDS
Fresher than 73% 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)
More neutral than 71% of Goldfields and Agricultural Region supplies
Other monitored supplies near Mount Observation
Water quality in suburbs near Mount Observation
Common questions
Is the tap water in Mount Observation tested?
Mount Observation isn't sampled as an individual locality. Its water is supplied through the Water Corporation network; the closest monitored supply point is York, about 26 km away.
How hard is the water in Mount Observation?
Mount Observation isn't sampled directly. Its nearest monitored supply, York (about 26 km away), averages 104 mg/L of hardness — moderately hard. Other supplies within a few kilometres read 100–104 mg/L, so your street may differ. Some scale builds up over time on kettles and shower heads. Most homes don't need a softener.
Is the tap water in Mount Observation safe to drink?
Mount Observation isn't tested on its own, but its nearest monitored supply, York, met every NHMRC Australian Drinking Water Guidelines health limit with published data in 2023-2024.
How to read this
Mount Observation 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).