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Water Hardness in Ashton Keynes

Ashton Keynes has very hard water at 314 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.

314

mg/l CaCO₃

Very HardUK average: 197.72 mg/l
314
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Very Hard Water Mean?

With a hardness of 314 mg/l, Ashton Keynes 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
Ashton Keynes (S2)
Source Type
Groundwater
Treatment Works
Ashton Keynes Treatment Works

Full Water Quality Report for Ashton Keynes

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Frequently Asked Questions

Is water hard in Ashton Keynes?▾
Yes, Ashton Keynes has hard water at 314 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 Ashton Keynes?▾
The water hardness in Ashton Keynes is 314 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 underground aquifer sources.
Who supplies water to Ashton Keynes?▾
Water in Ashton Keynes is supplied by Thames Water, which covers the London and Thames Valley region. The water is sourced from underground aquifers (boreholes) and treated at Ashton Keynes Treatment Works before distribution.
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