Water Hardness in Castle Hill
Castle Hill has slightly hard water at 114.6 mg/l CaCO₃. This is below the UK national average of 197.72 mg/l. Some limescale may occur but it is usually manageable.
114.6
mg/l CaCO₃
Slightly HardUK average: 197.72 mg/l
114.6
0 (Soft)200 (Hard)400+ (Very Hard)
What Does Slightly Hard Water Mean?
At 114.6 mg/l, Castle 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
- United Utilities
- Supply Zone
- Bromley Cross
- Source Type
- Mixed
- Treatment Works
- Bolton Treatment Works
Full Water Quality Report for Castle Hill
See all 5 water quality parameters including pH, chlorine, lead, nitrate, fluoride and more.
Frequently Asked Questions
Is water hard in Castle Hill?▾
Castle Hill has moderately hard water at 114.6 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 Castle Hill?▾
The water hardness in Castle Hill is 114.6 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 United Utilities from mixed sources.
Who supplies water to Castle Hill?▾
Water in Castle Hill is supplied by United Utilities, which covers the North West England region. The water is sourced from mixed sources and treated at Bolton Treatment Works before distribution.