WG
WaterGrade

Water Hardness in Great Lea Common

Great Lea Common has very hard water at 315 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.

315

mg/l CaCO₃

Very HardUK average: 197.72 mg/l
315
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Very Hard Water Mean?

With a hardness of 315 mg/l, Great Lea Common has very 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
Reading West (R27)
Source Type
Mixed
Treatment Works
Reading West Treatment Works

Full Water Quality Report for Great Lea Common

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Frequently Asked Questions

Is water hard in Great Lea Common?▾
Yes, Great Lea Common has hard water at 315 mg/l CaCO₃, classified as "Very 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 Great Lea Common?▾
The water hardness in Great Lea Common is 315 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Very Hard" on the standard UK scale and is above the national average of 197.72 mg/l. Water is supplied by Thames Water from mixed sources.
Who supplies water to Great Lea Common?▾
Water in Great Lea Common is supplied by Thames Water, which covers the London and Thames Valley region. The water is sourced from mixed sources and treated at Reading West Treatment Works before distribution.
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