WG
WaterGrade

Water Hardness in Knottingley

Knottingley has very hard water at 309.66 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.

309.66

mg/l CaCO₃

Very HardUK average: 197.72 mg/l
309.66
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Very Hard Water Mean?

With a hardness of 309.66 mg/l, Knottingley 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
Yorkshire Water
Supply Zone
Featherstone (Wakefield)
Source Type
Mixed
Treatment Works
Wakefield Treatment Works

Full Water Quality Report for Knottingley

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Frequently Asked Questions

Is water hard in Knottingley?▾
Yes, Knottingley has hard water at 309.66 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 Knottingley?▾
The water hardness in Knottingley is 309.66 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 Yorkshire Water from mixed sources.
Who supplies water to Knottingley?▾
Water in Knottingley is supplied by Yorkshire Water, which covers the Yorkshire and the Humber region. The water is sourced from mixed sources and treated at Wakefield Treatment Works before distribution.
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