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WaterGrade

Water Hardness in Harlow Common

Harlow Common has very hard water at 310 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.

310

mg/l CaCO₃

Very HardUK average: 197.72 mg/l
310
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Very Hard Water Mean?

With a hardness of 310 mg/l, Harlow 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
Affinity Water
Supply Zone
Harlow South (AF094)
Source Type
Groundwater
Treatment Works
Harlow South Treatment Works

Full Water Quality Report for Harlow Common

See all 8 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.

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Frequently Asked Questions

Is water hard in Harlow Common?▾
Yes, Harlow Common has hard water at 310 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 Harlow Common?▾
The water hardness in Harlow Common is 310 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 Affinity Water from underground aquifer sources.
Who supplies water to Harlow Common?▾
Water in Harlow Common is supplied by Affinity Water, which covers the South East England region. The water is sourced from underground aquifers (boreholes) and treated at Harlow South Treatment Works before distribution.
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