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Water Hardness in Coventry Zone 27

Coventry Zone 27 has hard water at 278.7 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.

278.7

mg/l CaCO₃

HardUK average: 197.72 mg/l
278.7
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Hard Water Mean?

With a hardness of 278.7 mg/l, Coventry Zone 27 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
Severn Trent Water
Supply Zone
Coventry Zone 27
Source Type
Groundwater
Treatment Works
Warwickshire Treatment Works

Full Water Quality Report for Coventry Zone 27

See all 7 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.

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Frequently Asked Questions

Is water hard in Coventry Zone 27?▾
Yes, Coventry Zone 27 has hard water at 278.7 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 Coventry Zone 27?▾
The water hardness in Coventry Zone 27 is 278.7 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 Severn Trent Water from underground aquifer sources.
Who supplies water to Coventry Zone 27?▾
Water in Coventry Zone 27 is supplied by Severn Trent Water, which covers the West Midlands region. The water is sourced from underground aquifers (boreholes) and treated at Warwickshire Treatment Works before distribution.
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