Water Hardness in Flackwell Heath

Flackwell Heath has very hard water at 300 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.

300

mg/l CaCO₃

Very HardUK average: 197.72 mg/l
300
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Very Hard Water Mean?

With a hardness of 300 mg/l, Flackwell Heath 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
Flackwell Heath (SWA31)
Source Type
Groundwater
Treatment Works
Flackwell Heath Treatment Works

Full Water Quality Report for Flackwell Heath

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Frequently Asked Questions

Is water hard in Flackwell Heath?
Yes, Flackwell Heath has hard water at 300 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 Flackwell Heath?
The water hardness in Flackwell Heath is 300 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 Flackwell Heath?
Water in Flackwell Heath is supplied by Thames Water, which covers the London and Thames Valley region. The water is sourced from underground aquifers (boreholes) and treated at Flackwell Heath Treatment Works before distribution.
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