Type your suburb or postcode to see your local water quality — hardness, what it means, and the full breakdown. Every figure comes straight from Water Corporation's official 2023–24 report.
Try Mount Hawthorn, Yanchep, Mandurah or Fremantle — or browse all localities in the table below.
| Locality | Hardness | mg/L |
|---|
Source: Water Corporation Drinking Water Quality Annual Report 2023–24, Perth Region (aesthetic & health tables). Figures are locality means with min–max range. Verified June 2026. Water is reported by supply locality, not individual suburb — your suburb is matched to the locality that supplies it. All Perth localities met health-related safety requirements in 2023–24.
Complete Home Filtration and CHF are trademarks used by Environmental Water Solutions Pty Ltd. ProperWater Pty Ltd is not affiliated with, endorsed by, or sponsored by Complete Home Filtration or Environmental Water Solutions Pty Ltd. Model references including CHF-6000 and CHF-6200 are used solely to indicate product compatibility — PW Series replacement filters are independently designed for compatibility with standard 15" × 4.5" filter housings. All comparative pricing based on Complete Home Filtration's publicly published rates as of 2025.