Perth Water Quality · Armadale/Kelmscott
Water quality in Armadale/Kelmscott
Your local water hardness and the full breakdown of 16 parameters, sourced from Water Corporation's 2023–24 report.
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Armadale/Kelmscott supply zone
Moderately hard
77mg/L total hardness (range 69–81)
Water in Armadale/Kelmscott is moderately hard. You may notice some scale over time on kettles and shower screens, but it’s manageable. Carbon filtration improves taste; softening is optional.
Other figures worth knowing
Chlorine by-products (THMs)0.06mg/L
pH7.83
Dissolved solids391mg/L
Sodium96mg/L
Perth's water is disinfected with free chlorine at roughly 0.4–1.0 mg/L network-wide. The figure above is trihalomethanes (THMs) — by-products of chlorination that a catalytic carbon filter reduces. In Armadale/Kelmscott they run at about 24% of the safety guideline.
What this means for your home
Water in Armadale/Kelmscott is moderately hard. You may notice some scale over time on kettles and shower screens, but it’s manageable. Carbon filtration improves taste; softening is optional.
✓Our honest take: A carbon filter improves taste and chlorine; scale prevention is a nice-to-have, not essential.
Full water quality breakdown — Armadale/Kelmscott
Scale & hardness
Total hardness7769–81 mg/L as CaCO3
Total dissolved solids391350–416 mg/L
Alkalinity6457–68 mg/L as CaCO3
Silica2.42–2.8 mg/L
General chemistry
pH7.837.69–7.93 pH units
Sodium9687–100 mg/L
Chloride160140–175 mg/L
Sulphate1817–19 mg/L
Aesthetic (taste, colour, staining)
Iron0.0380.025–0.06 mg/L
Manganese0.0020.002–0.003 mg/L
Aluminium0.0150.014–0.016 mg/L
True colour11–1 HU
Turbidity0.20.1–0.4 NTU
Health-related
Fluoride0.830.75–0.9 mg/L
Trihalomethanes (THMs)0.060.042–0.094 mg/L
Suburbs in the Armadale/Kelmscott supply area: Armadale, Bedfordale, Camillo, Champion Lakes, Forrestdale, Harrisdale, Kelmscott, Mount Nasura, Mount Richon, Piara Waters, Roleystone, Seville Grove. Water Corporation reports quality by supply locality rather than individual suburb, so these suburbs share the Armadale/Kelmscott figures above. Your exact property may vary slightly.
Check a different suburb
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. Armadale/Kelmscott met all health-related safety requirements in 2023–24. See all Perth suburbs →
Complete Home Filtration and CHF are trademarks used by Environmental Water Solutions Pty Ltd. ProperWater 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.