WG
WaterGrade

Water Hardness in Holmer Green

Holmer Green has very hard water at 325 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.

325

mg/l CaCO₃

Very HardUK average: 197.72 mg/l
325
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Very Hard Water Mean?

With a hardness of 325 mg/l, Holmer Green 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
Amersham/Prestwood (AF043)
Source Type
Groundwater
Treatment Works
Amersham/Prestwood Treatment Works

Full Water Quality Report for Holmer Green

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

View →

Frequently Asked Questions

Is water hard in Holmer Green?▾
Yes, Holmer Green has hard water at 325 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 Holmer Green?▾
The water hardness in Holmer Green is 325 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 Holmer Green?▾
Water in Holmer Green is supplied by Affinity Water, which covers the South East England region. The water is sourced from underground aquifers (boreholes) and treated at Amersham/Prestwood Treatment Works before distribution.
Check another postcode →Browse all hard water areas →