Water Hardness in Holloway Hill

Holloway Hill has slightly hard water at 136 mg/l CaCO₃. This is below the UK national average of 197.72 mg/l. Some limescale may occur but it is usually manageable.

136

mg/l CaCO₃

Slightly HardUK average: 197.72 mg/l
136
0 (Soft)200 (Hard)400+ (Very Hard)

What Does Slightly Hard Water Mean?

At 136 mg/l, Holloway Hill has slightly hard water. This is a moderate level that may cause some limescale in high-use areas like kettles and showerheads.

Regular descaling of kettles and appliances should be sufficient to manage any buildup. A whole-house water softener is optional at this level but may still be beneficial.

Water Supplier

Water Company
Thames Water
Supply Zone
Godalming (G3)
Source Type
Groundwater
Treatment Works
Godalming Treatment Works

Full Water Quality Report for Holloway Hill

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

View →

Frequently Asked Questions

Is water hard in Holloway Hill?
Holloway Hill has moderately hard water at 136 mg/l CaCO₃, classified as "Slightly Hard". Some limescale may occur but it is usually manageable with regular cleaning.
What is the hardness of water in Holloway Hill?
The water hardness in Holloway Hill is 136 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Slightly Hard" on the standard UK scale and is below the national average of 197.72 mg/l. Water is supplied by Thames Water from underground aquifer sources.
Who supplies water to Holloway Hill?
Water in Holloway Hill is supplied by Thames Water, which covers the London and Thames Valley region. The water is sourced from underground aquifers (boreholes) and treated at Godalming Treatment Works before distribution.
Check another postcode →Browse all hard water areas →