WG
WaterGrade

Water Hardness in Westbourne Green

Westbourne Green has hard water at 257 mg/l CaCO₃. This is above the UK national average of 197.72 mg/l. You may notice limescale buildup on taps, in kettles, and around showerheads.

257

mg/l CaCO₃

HardUK average: 197.72 mg/l
257
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Hard Water Mean?

With a hardness of 257 mg/l, Westbourne Green has hard water. This level of hardness is common in areas supplied from chalk and limestone aquifers in the South East of England.

You will likely notice white limescale deposits on taps, showerheads, and inside your kettle. Over time, limescale can reduce the efficiency of boilers and heating systems, increasing energy costs. A water softener can help prevent these issues.

Water Supplier

Water Company
Thames Water
Supply Zone
Marylebone & Paddington (NLW55)
Source Type
River
Treatment Works
Marylebone & Paddington Treatment Works

Full Water Quality Report for Westbourne Green

See all 8 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.

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Frequently Asked Questions

Is water hard in Westbourne Green?▾
Yes, Westbourne Green has hard water at 257 mg/l CaCO₃, classified as "Hard". You will likely notice limescale buildup on taps, in kettles, and around showerheads. A water softener or regular descaling can help manage this.
What is the hardness of water in Westbourne Green?▾
The water hardness in Westbourne Green is 257 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Hard" on the standard UK scale and is above the national average of 197.72 mg/l. Water is supplied by Thames Water from river sources.
Who supplies water to Westbourne Green?▾
Water in Westbourne Green is supplied by Thames Water, which covers the London and Thames Valley region. The water is sourced from river abstraction and treated at Marylebone & Paddington Treatment Works before distribution.
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