Water Hardness in Westminster
Westminster has moderately hard water at 172.5 mg/l CaCO₃. This is close to the UK national average of 197.72 mg/l. Some limescale may occur but it is usually manageable.
172.5
mg/l CaCO₃
Moderately HardUK average: 197.72 mg/l
172.5
0 (Soft)200 (Hard)400+ (Very Hard)
What Does Moderately Hard Water Mean?
At 172.5 mg/l, Westminster has moderately 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
- United Utilities
- Supply Zone
- Westminster
- Source Type
- Groundwater
- Treatment Works
- Cheshire West and Chester Treatment Works
Full Water Quality Report for Westminster
See all 4 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.
Frequently Asked Questions
Is water hard in Westminster?▾
Westminster has moderately hard water at 172.5 mg/l CaCO₃, classified as "Moderately Hard". Some limescale may occur but it is usually manageable with regular cleaning.
What is the hardness of water in Westminster?▾
The water hardness in Westminster is 172.5 mg/l CaCO₃ (milligrams per litre of calcium carbonate). This is classified as "Moderately Hard" on the standard UK scale and is close to the national average of 197.72 mg/l. Water is supplied by United Utilities from underground aquifer sources.
Who supplies water to Westminster?▾
Water in Westminster is supplied by United Utilities, which covers the North West England region. The water is sourced from underground aquifers (boreholes) and treated at Cheshire West and Chester Treatment Works before distribution.